2023

Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2450000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 
 Sun Jan 01/Mon Jan 02  9946.8    6 20 15   17 38  19 00   6 00  7 22    1 20  12 21   .....   3 50    81   3 06.4  18 06
 Mon Jan 02/Tue Jan 03  9947.8    6 24 12   17 39  19 01   6 00  7 22    1 24  12 25   .....   4 50    88   3 56.8  22 08
 Tue Jan 03/Wed Jan 04  9948.8    6 28 09   17 40  19 02   6 01  7 22    1 29  12 30   .....   5 49    93   4 49.2  25 06
 Wed Jan 04/Thu Jan 05  9949.8    6 32 05   17 41  19 02   6 01  7 23    1 34  12 34   .....   6 46    97   5 43.1  26 52
 Thu Jan 05/Fri Jan 06  9950.8    6 36 02   17 41  19 03   6 01  7 23    1 38  12 38   16 25   7 37    99   6 37.6  27 19
 Fri Jan 06/Sat Jan 07  9951.8    6 39 58   17 42  19 04   6 01  7 23    1 43  12 42   17 18  .....   100   7 31.6  26 28
 Sat Jan 07/Sun Jan 08  9952.8    6 43 55   17 43  19 05   6 01  7 23    1 48  12 46   18 14  .....    98   8 24.0  24 22
 
 Sun Jan 08/Mon Jan 09  9953.8    6 47 51   17 44  19 05   6 01  7 23    1 52  12 50   19 12  .....    95   9 14.1  21 12
 Mon Jan 09/Tue Jan 10  9954.8    6 51 48   17 45  19 06   6 01  7 23    1 57  12 54   20 09  .....    90  10 01.9  17 08
 Tue Jan 10/Wed Jan 11  9955.8    6 55 44   17 45  19 07   6 01  7 23    2 02  12 58   21 06  .....    83  10 47.5  12 23
 Wed Jan 11/Thu Jan 12  9956.8    6 59 41   17 46  19 07   6 01  7 23    2 06  13 02   22 02  .....    76  11 31.9   7 08
 Thu Jan 12/Fri Jan 13  9957.8    7 03 38   17 47  19 08   6 01  7 22    2 11  13 06   22 57  .....    67  12 15.6   1 33
 Fri Jan 13/Sat Jan 14  9958.8    7 07 34   17 48  19 09   6 01  7 22    2 16  13 10   23 54  .....    57  13 00.0 - 4 12
 Sat Jan 14/Sun Jan 15  9959.8    7 11 31   17 49  19 10   6 01  7 22    2 21  13 14    0 53  .....    47  13 46.0 - 9 54
 
 Sun Jan 15/Mon Jan 16  9960.8    7 15 27   17 50  19 11   6 01  7 22    2 25  13 18    1 55  .....    37  14 34.8 -15 21
 Mon Jan 16/Tue Jan 17  9961.8    7 19 24   17 51  19 11   6 01  7 22    2 30  13 22    3 02  .....    27  15 27.8 -20 15
 Tue Jan 17/Wed Jan 18  9962.8    7 23 20   17 51  19 12   6 01  7 22    2 35  13 25    4 12  .....    17  16 25.6 -24 11
 Wed Jan 18/Thu Jan 19  9963.8    7 27 17   17 52  19 13   6 01  7 21    2 39  13 29    5 23  .....    10  17 28.2 -26 45
 Thu Jan 19/Fri Jan 20  9964.8    7 31 13   17 53  19 14   6 01  7 21    2 44  13 33    6 30  .....     4  18 34.3 -27 33
 Fri Jan 20/Sat Jan 21  9965.8    7 35 10   17 54  19 14   6 00  7 21    2 49  13 37    7 31  16 37     1  19 41.3 -26 21
 Sat Jan 21/Sun Jan 22  9966.8    7 39 07   17 55  19 15   6 00  7 20    2 54  13 40   .....  17 52     0  20 46.3 -23 15
 
 Sun Jan 22/Mon Jan 23  9967.8    7 43 03   17 56  19 16   6 00  7 20    2 58  13 44   .....  19 08     3  21 47.4 -18 36
 Mon Jan 23/Tue Jan 24  9968.8    7 47 00   17 57  19 17   6 00  7 19    3 03  13 48   .....  20 21     9  22 44.2 -12 52
 Tue Jan 24/Wed Jan 25  9969.8    7 50 56   17 58  19 18   5 59  7 19    3 08  13 51   .....  21 31    16  23 37.1 - 6 34
 Wed Jan 25/Thu Jan 26  9970.8    7 54 53   17 59  19 18   5 59  7 19    3 13  13 55   .....  22 37    25   0 27.3 - 0 07
 Thu Jan 26/Fri Jan 27  9971.8    7 58 49   18 00  19 19   5 59  7 18    3 17  13 58   .....  23 40    35   1 15.9   6 09
 Fri Jan 27/Sat Jan 28  9972.8    8 02 46   18 01  19 20   5 58  7 17    3 22  14 02   .....   0 42    46   2 04.2  11 57
 Sat Jan 28/Sun Jan 29  9973.8    8 06 42   18 02  19 21   5 58  7 17    3 27  14 05   .....   1 44    56   2 53.0  17 05
 
 Sun Jan 29/Mon Jan 30  9974.8    8 10 39   18 02  19 22   5 57  7 16    3 32  14 09   .....   2 44    66   3 43.2  21 21
 Mon Jan 30/Tue Jan 31  9975.8    8 14 36   18 03  19 22   5 57  7 16    3 36  14 12   .....   3 44    75   4 35.0  24 35
 Tue Jan 31/Wed Feb 01  9976.8    8 18 32   18 04  19 23   5 56  7 15    3 41  14 16   .....   4 41    83   5 28.3  26 38
 
                                            ***** 2023 FEBRUARY *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2450000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Wed Feb 01/Thu Feb 02  9977.8    8 22 29   18 05  19 24   5 56  7 14    3 46  14 19   .....   5 34    89   6 22.4  27 24
 Thu Feb 02/Fri Feb 03  9978.8    8 26 25   18 06  19 25   5 55  7 14    3 50  14 23   .....   6 22    94   7 16.4  26 51
 Fri Feb 03/Sat Feb 04  9979.8    8 30 22   18 07  19 26   5 55  7 13    3 55  14 26   16 08   7 04    98   8 09.2  25 03
 Sat Feb 04/Sun Feb 05  9980.8    8 34 18   18 08  19 26   5 54  7 12    4 00  14 29   17 05   7 40   100   9 00.0  22 06
 
 Sun Feb 05/Mon Feb 06  9981.8    8 38 15   18 09  19 27   5 53  7 12    4 05  14 33   18 03  .....   100   9 48.6  18 12
 Mon Feb 06/Tue Feb 07  9982.8    8 42 11   18 10  19 28   5 53  7 11    4 09  14 36   19 00  .....    98  10 35.1  13 32
 Tue Feb 07/Wed Feb 08  9983.8    8 46 08   18 11  19 29   5 52  7 10    4 14  14 39   19 57  .....    94  11 19.9   8 19
 Wed Feb 08/Thu Feb 09  9984.8    8 50 05   18 11  19 30   5 51  7 09    4 19  14 42   20 52  .....    88  12 03.9   2 44
 Thu Feb 09/Fri Feb 10  9985.8    8 54 01   18 12  19 30   5 51  7 08    4 24  14 46   21 48  .....    81  12 48.0 - 3 01
 Fri Feb 10/Sat Feb 11  9986.8    8 57 58   18 13  19 31   5 50  7 08    4 28  14 49   22 46  .....    73  13 33.2 - 8 44
 Sat Feb 11/Sun Feb 12  9987.8    9 01 54   18 14  19 32   5 49  7 07    4 33  14 52   23 46  .....    64  14 20.5 -14 13
 
 Sun Feb 12/Mon Feb 13  9988.8    9 05 51   18 15  19 33   5 48  7 06    4 38  14 55    0 49  .....    53  15 11.1 -19 12
 Mon Feb 13/Tue Feb 14  9989.8    9 09 47   18 16  19 33   5 47  7 05    4 42  14 58    1 55  .....    42  16 05.9 -23 22
 Tue Feb 14/Wed Feb 15  9990.8    9 13 44   18 17  19 34   5 47  7 04    4 47  15 01    3 03  .....    32  17 05.1 -26 20
 Wed Feb 15/Thu Feb 16  9991.8    9 17 40   18 17  19 35   5 46  7 03    4 52  15 04    4 10  .....    22  18 08.3 -27 44
 Thu Feb 16/Fri Feb 17  9992.8    9 21 37   18 18  19 36   5 45  7 02    4 57  15 07    5 13  .....    13  19 13.5 -27 18
 Fri Feb 17/Sat Feb 18  9993.8    9 25 34   18 19  19 36   5 44  7 01    5 01  15 10    6 07  .....     6  20 18.4 -24 59
 Sat Feb 18/Sun Feb 19  9994.8    9 29 30   18 20  19 37   5 43  7 00    5 06  15 13    6 54  16 38     2  21 20.7 -20 56
 
 Sun Feb 19/Mon Feb 20  9995.8    9 33 27   18 21  19 38   5 42  6 59    5 11  15 16    7 34  17 53     0  22 19.4 -15 34
 Mon Feb 20/Tue Feb 21  9996.8    9 37 23   18 22  19 39   5 41  6 58    5 15  15 19   .....  19 06     2  23 14.4 - 9 20
 Tue Feb 21/Wed Feb 22  9997.8    9 41 20   18 22  19 39   5 40  6 57    5 20  15 22   .....  20 15     6   0 06.6 - 2 44
 Wed Feb 22/Thu Feb 23  9998.8    9 45 16   18 23  19 40   5 39  6 56    5 25  15 25   .....  21 22    12   0 56.9   3 51
 Thu Feb 23/Fri Feb 24  9999.8    9 49 13   18 24  19 41   5 38  6 55    5 29  15 28   .....  22 27    20   1 46.4  10 03
 Fri Feb 24/Sat Feb 25 10000.8    9 53 09   18 25  19 42   5 37  6 54    5 34  15 31   .....  23 31    29   2 36.3  15 36
 Sat Feb 25/Sun Feb 26 10001.8    9 57 06   18 26  19 42   5 36  6 53    5 39  15 34   .....   0 34    39   3 27.0  20 16
 
 Sun Feb 26/Mon Feb 27 10002.8   10 01 03   18 26  19 43   5 35  6 51    5 43  15 37   .....   1 36    49   4 19.2  23 53
 Mon Feb 27/Tue Feb 28 10003.8   10 04 59   18 27  19 44   5 34  6 50    5 48  15 40   .....   2 35    59   5 12.6  26 18
 Tue Feb 28/Wed Mar 01 10004.8   10 08 56   18 28  19 45   5 33  6 49    5 53  15 42   .....   3 30    68   6 06.7  27 25
 
                                            ***** 2023 MARCH *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Wed Mar 01/Thu Mar 02     5.8   10 12 52   18 29  19 45   5 32  6 48    5 57  15 45   .....   4 19    76   7 00.8  27 13
 Thu Mar 02/Fri Mar 03     6.8   10 16 49   18 29  19 46   5 30  6 47    6 02  15 48   .....   5 03    84   7 53.8  25 44
 Fri Mar 03/Sat Mar 04     7.8   10 20 45   18 30  19 47   5 29  6 46    6 07  15 51   .....   5 41    90   8 45.1  23 04
 Sat Mar 04/Sun Mar 05     8.8   10 24 42   18 31  19 48   5 28  6 44    6 12  15 54   .....   6 14    95   9 34.3  19 23
 
 Sun Mar 05/Mon Mar 06     9.8   10 28 38   18 32  19 48   5 27  6 43    6 16  15 56   16 53   6 44    98  10 21.4  14 52
 Mon Mar 06/Tue Mar 07    10.8   10 32 35   18 32  19 49   5 26  6 42    6 21  15 59   17 50   7 11   100  11 07.0   9 42
 Tue Mar 07/Wed Mar 08    11.8   10 36 32   18 33  19 50   5 24  6 41    6 26  16 02   18 47  .....    99  11 51.5   4 06
 Wed Mar 08/Thu Mar 09    12.8   10 40 28   18 34  19 50   5 23  6 40    6 30  16 05   19 43  .....    97  12 36.0 - 1 45
 Thu Mar 09/Fri Mar 10    13.8   10 44 25   18 35  19 51   5 22  6 38    6 35  16 07   20 41  .....    92  13 21.3 - 7 37
 Fri Mar 10/Sat Mar 11    14.8   10 48 21   18 35  19 52   5 21  6 37    6 40  16 10   21 40  .....    86  14 08.4 -13 16
 Sat Mar 11/Sun Mar 12    15.8   10 52 18   18 36  19 53   5 19  6 36    6 44  16 13   22 42  .....    78  14 58.3 -18 26
 
 Sun Mar 12/Mon Mar 13    16.8   10 56 14   18 37  19 53   5 18  6 35    6 49  16 15   23 46  .....    69  15 51.9 -22 49
 Mon Mar 13/Tue Mar 14    17.8   11 00 11   18 38  19 54   5 17  6 33    6 54  16 18    0 53  .....    58  16 49.3 -26 04
 Tue Mar 14/Wed Mar 15    18.8   11 04 07   18 38  19 55   5 16  6 32    6 58  16 21    1 59  .....    47  17 50.4 -27 53
 Wed Mar 15/Thu Mar 16    19.8   11 08 04   18 39  19 56   5 14  6 31    7 03  16 23    3 01  .....    36  18 53.6 -27 59
 Thu Mar 16/Fri Mar 17    20.8   11 12 01   18 40  19 56   5 13  6 30    7 08  16 26    3 57  .....    25  19 56.9 -26 17
 Fri Mar 17/Sat Mar 18    21.8   11 15 57   18 40  19 57   5 12  6 28    7 12  16 28    4 45  .....    16  20 58.4 -22 52
 Sat Mar 18/Sun Mar 19    22.8   11 19 54   18 41  19 58   5 10  6 27    7 17  16 31    5 27  .....     8  21 56.9 -18 02
 
 Sun Mar 19/Mon Mar 20    23.8   11 23 50   18 42  19 59   5 09  6 26    7 22  16 34    6 03  16 41     3  22 52.3 -12 09
 Mon Mar 20/Tue Mar 21    24.8   11 27 47   18 42  19 59   5 08  6 25    7 27  16 36    6 35  17 51     0  23 44.9 - 5 40
 Tue Mar 21/Wed Mar 22    25.8   11 31 43   18 43  20 00   5 06  6 23    7 31  16 39    7 06  18 59     0   0 35.8   1 00
 Wed Mar 22/Thu Mar 23    26.8   11 35 40   18 44  20 01   5 05  6 22    7 36  16 41   .....  20 06     3   1 25.9   7 29
 Thu Mar 23/Fri Mar 24    27.8   11 39 36   18 44  20 02   5 03  6 21    7 41  16 44   .....  21 12     8   2 16.3  13 27
 Fri Mar 24/Sat Mar 25    28.8   11 43 33   18 45  20 03   5 02  6 19    7 45  16 46   .....  22 17    15   3 07.5  18 37
 Sat Mar 25/Sun Mar 26    29.8   11 47 30   18 46  20 03   5 01  6 18    7 50  16 49   .....  23 21    23   4 00.2  22 44
 
 Sun Mar 26/Mon Mar 27    30.8   11 51 26   18 47  20 04   4 59  6 17    7 55  16 52   .....   0 23    32   4 54.1  25 38
 Mon Mar 27/Tue Mar 28    31.8   11 55 23   18 47  20 05   4 58  6 16    8 00  16 54   .....   1 21    41   5 48.8  27 13
 Tue Mar 28/Wed Mar 29    32.8   11 59 19   18 48  20 06   4 56  6 14    8 04  16 57   .....   2 14    51   6 43.4  27 26
 Wed Mar 29/Thu Mar 30    33.8   12 03 16   18 49  20 07   4 55  6 13    8 09  16 59   .....   3 00    61   7 37.0  26 21
 Thu Mar 30/Fri Mar 31    34.8   12 07 12   18 49  20 07   4 54  6 12    8 14  17 02   .....   3 40    70   8 28.8  24 02
 Fri Mar 31/Sat Apr 01    35.8   12 11 09   18 50  20 08   4 52  6 10    8 19  17 04   .....   4 15    78   9 18.4  20 39
 
                                            ***** 2023 APRIL *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Sat Apr 01/Sun Apr 02    36.8   12 15 05   18 51  20 09   4 51  6 09    8 23  17 07   .....   4 46    86  10 06.0  16 22
 
 Sun Apr 02/Mon Apr 03    37.8   12 19 02   18 51  20 10   4 49  6 08    8 28  17 09   .....   5 14    92  10 51.9  11 23
 Mon Apr 03/Tue Apr 04    38.8   12 22 59   18 52  20 11   4 48  6 07    8 33  17 12   .....   5 40    96  11 36.8   5 51
 Tue Apr 04/Wed Apr 05    39.8   12 26 55   18 53  20 11   4 47  6 05    8 38  17 14   17 35   6 06    99  12 21.5 - 0 01
 Wed Apr 05/Thu Apr 06    40.8   12 30 52   18 53  20 12   4 45  6 04    8 43  17 17   18 32   6 33   100  13 07.0 - 6 01
 Thu Apr 06/Fri Apr 07    41.8   12 34 48   18 54  20 13   4 44  6 03    8 47  17 19   19 32   7 03    99  13 54.3 -11 53
 Fri Apr 07/Sat Apr 08    42.8   12 38 45   18 55  20 14   4 42  6 02    8 52  17 22   20 34  .....    95  14 44.3 -17 21
 Sat Apr 08/Sun Apr 09    43.8   12 42 41   18 55  20 15   4 41  6 00    8 57  17 24   21 39  .....    89  15 37.9 -22 05
 
 Sun Apr 09/Mon Apr 10    44.8   12 46 38   18 56  20 16   4 40  5 59    9 02  17 27   22 46  .....    82  16 35.3 -25 43
 Mon Apr 10/Tue Apr 11    45.8   12 50 34   18 57  20 17   4 38  5 58    9 07  17 29   23 52  .....    72  17 36.2 -27 54
 Tue Apr 11/Wed Apr 12    46.8   12 54 31   18 57  20 17   4 37  5 57    9 11  17 32    0 56  .....    62  18 39.1 -28 25
 Wed Apr 12/Thu Apr 13    47.8   12 58 28   18 58  20 18   4 35  5 56    9 16  17 35    1 53  .....    50  19 42.0 -27 08
 Thu Apr 13/Fri Apr 14    48.8   13 02 24   18 59  20 19   4 34  5 54    9 21  17 37    2 42  .....    39  20 43.0 -24 10
 Fri Apr 14/Sat Apr 15    49.8   13 06 21   19 00  20 20   4 33  5 53    9 26  17 40    3 24  .....    28  21 41.0 -19 46
 Sat Apr 15/Sun Apr 16    50.8   13 10 17   19 00  20 21   4 31  5 52    9 31  17 42    4 01  .....    19  22 35.7 -14 18
 
 Sun Apr 16/Mon Apr 17    51.8   13 14 14   19 01  20 22   4 30  5 51    9 36  17 45    4 33  .....    11  23 27.7 - 8 07
 Mon Apr 17/Tue Apr 18    52.8   13 18 10   19 02  20 23   4 28  5 50    9 40  17 47    5 04  .....     5   0 17.9 - 1 35
 Tue Apr 18/Wed Apr 19    53.8   13 22 07   19 02  20 24   4 27  5 49    9 45  17 50    5 34  17 46     1   1 07.3   4 56
 Wed Apr 19/Thu Apr 20    54.8   13 26 03   19 03  20 25   4 26  5 47    9 50  17 52    6 06  18 52     0   1 57.0  11 05
 Thu Apr 20/Fri Apr 21    55.8   13 30 00   19 04  20 26   4 24  5 46    9 55  17 55    6 39  19 57     1   2 47.8  16 36
 Fri Apr 21/Sat Apr 22    56.8   13 33 57   19 04  20 27   4 23  5 45   10 00  17 58   .....  21 03     5   3 40.2  21 11
 Sat Apr 22/Sun Apr 23    57.8   13 37 53   19 05  20 28   4 22  5 44   10 05  18 00   .....  22 07    10   4 34.2  24 36
 
 Sun Apr 23/Mon Apr 24    58.8   13 41 50   19 06  20 29   4 20  5 43   10 10  18 03   .....  23 08    17   5 29.2  26 42
 Mon Apr 24/Tue Apr 25    59.8   13 45 46   19 07  20 30   4 19  5 42   10 15  18 05   .....   0 05    26   6 24.5  27 25
 Tue Apr 25/Wed Apr 26    60.8   13 49 43   19 07  20 30   4 18  5 41   10 20  18 08   .....   0 54    34   7 18.9  26 45
 Wed Apr 26/Thu Apr 27    61.8   13 53 39   19 08  20 31   4 16  5 40   10 25  18 11   .....   1 37    44   8 11.4  24 50
 Thu Apr 27/Fri Apr 28    62.8   13 57 36   19 09  20 32   4 15  5 39   10 29  18 13   .....   2 14    53   9 01.6  21 48
 Fri Apr 28/Sat Apr 29    63.8   14 01 32   19 09  20 33   4 14  5 38   10 34  18 16   .....   2 46    63   9 49.4  17 50
 Sat Apr 29/Sun Apr 30    64.8   14 05 29   19 10  20 34   4 13  5 37   10 39  18 19   .....   3 15    72  10 35.4  13 07
 
 Sun Apr 30/Mon May 01    65.8   14 09 26   19 11  20 35   4 11  5 36   10 44  18 21   .....   3 42    80  11 20.2   7 47
 
                                            ***** 2023 MAY *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Mon May 01/Tue May 02    66.8   14 13 22   19 12  20 36   4 10  5 35   10 49  18 24   .....   4 08    87  12 04.6   2 03
 Tue May 02/Wed May 03    67.8   14 17 19   19 12  20 37   4 09  5 34   10 54  18 27   .....   4 34    93  12 49.7 - 3 56
 Wed May 03/Thu May 04    68.8   14 21 15   19 13  20 38   4 08  5 33   10 59  18 30   .....   5 03    98  13 36.5 - 9 56
 Thu May 04/Fri May 05    69.8   14 25 12   19 14  20 39   4 07  5 32   11 04  18 32   18 21   5 34   100  14 26.2 -15 40
 Fri May 05/Sat May 06    70.8   14 29 08   19 14  20 40   4 05  5 31   11 09  18 35   19 26   6 11   100  15 19.5 -20 47
 Sat May 06/Sun May 07    71.8   14 33 05   19 15  20 41   4 04  5 30   11 14  18 38   20 34  .....    97  16 17.2 -24 55
 
 Sun May 07/Mon May 08    72.8   14 37 01   19 16  20 42   4 03  5 30   11 19  18 41   21 42  .....    92  17 18.8 -27 38
 Mon May 08/Tue May 09    73.8   14 40 58   19 17  20 43   4 02  5 29   11 24  18 44   22 49  .....    84  18 23.0 -28 37
 Tue May 09/Wed May 10    74.8   14 44 55   19 17  20 44   4 01  5 28   11 29  18 47   23 49  .....    75  19 27.5 -27 45
 Wed May 10/Thu May 11    75.8   14 48 51   19 18  20 45   4 00  5 27   11 34  18 49    0 41  .....    64  20 29.8 -25 07
 Thu May 11/Fri May 12    76.8   14 52 48   19 19  20 46   3 59  5 26   11 39  18 52    1 25  .....    53  21 28.7 -20 59
 Fri May 12/Sat May 13    77.8   14 56 44   19 20  20 47   3 58  5 26   11 44  18 55    2 02  .....    42  22 23.8 -15 45
 Sat May 13/Sun May 14    78.8   15 00 41   19 20  20 48   3 57  5 25   11 49  18 58    2 35  .....    31  23 15.6 - 9 47
 
 Sun May 14/Mon May 15    79.8   15 04 37   19 21  20 49   3 56  5 24   11 53  19 01    3 05  .....    21   0 05.1 - 3 25
 Mon May 15/Tue May 16    80.8   15 08 34   19 22  20 50   3 55  5 24   11 58  19 04    3 35  .....    13   0 53.6   2 59
 Tue May 16/Wed May 17    81.8   15 12 30   19 22  20 51   3 54  5 23   12 03  19 07    4 05  .....     6   1 42.2   9 09
 Wed May 17/Thu May 18    82.8   15 16 27   19 23  20 52   3 53  5 22   12 08  19 10    4 37  17 42     2   2 31.7  14 47
 Thu May 18/Fri May 19    83.8   15 20 24   19 24  20 53   3 52  5 22   12 13  19 13    5 13  18 47     0   3 22.9  19 38
 Fri May 19/Sat May 20    84.8   15 24 20   19 24  20 54   3 51  5 21   12 18  19 16    5 53  19 52     0   4 16.0  23 25
 Sat May 20/Sun May 21    85.8   15 28 17   19 25  20 55   3 50  5 21   12 23  19 19   .....  20 54     3   5 10.7  25 58
 
 Sun May 21/Mon May 22    86.8   15 32 13   19 26  20 56   3 50  5 20   12 28  19 23   .....  21 53     7   6 06.0  27 08
 Mon May 22/Tue May 23    87.8   15 36 10   19 26  20 57   3 49  5 20   12 33  19 26   .....  22 46    13   7 00.9  26 55
 Tue May 23/Wed May 24    88.8   15 40 06   19 27  20 58   3 48  5 19   12 38  19 29   .....  23 32    20   7 54.1  25 24
 Wed May 24/Thu May 25    89.8   15 44 03   19 28  20 59   3 47  5 19   12 42  19 32   .....   0 11    28   8 45.0  22 43
 Thu May 25/Fri May 26    90.8   15 47 59   19 28  21 00   3 47  5 18   12 47  19 35   .....   0 45    37   9 33.3  19 04
 Fri May 26/Sat May 27    91.8   15 51 56   19 29  21 01   3 46  5 18   12 52  19 39   .....   1 15    46  10 19.4  14 37
 Sat May 27/Sun May 28    92.8   15 55 53   19 30  21 02   3 46  5 17   12 57  19 42   .....   1 42    56  11 03.9   9 34
 
 Sun May 28/Mon May 29    93.8   15 59 49   19 30  21 02   3 45  5 17   13 02  19 45   .....   2 08    65  11 47.6   4 03
 Mon May 29/Tue May 30    94.8   16 03 46   19 31  21 03   3 44  5 17   13 07  19 49   .....   2 34    74  12 31.6 - 1 46
 Tue May 30/Wed May 31    95.8   16 07 42   19 31  21 04   3 44  5 16   13 11  19 52   .....   3 01    83  13 17.1 - 7 42
 Wed May 31/Thu Jun 01    96.8   16 11 39   19 32  21 05   3 43  5 16   13 16  19 56   .....   3 31    90  14 05.1 -13 31
 
                                            ***** 2023 JUNE *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Thu Jun 01/Fri Jun 02    97.8   16 15 35   19 33  21 06   3 43  5 16   13 21  19 59   .....   4 06    96  14 56.9 -18 56
 Fri Jun 02/Sat Jun 03    98.8   16 19 32   19 33  21 06   3 42  5 16   13 25  20 03   18 15   4 47    99  15 53.5 -23 32
 Sat Jun 03/Sun Jun 04    99.8   16 23 28   19 34  21 07   3 42  5 15   13 30  20 06   19 25   5 36   100  16 54.9 -26 53
 
 Sun Jun 04/Mon Jun 05   100.8   16 27 25   19 34  21 08   3 42  5 15   13 35  20 10   20 34  .....    98  18 00.1 -28 33
 Mon Jun 05/Tue Jun 06   101.8   16 31 22   19 35  21 09   3 41  5 15   13 39  20 13   21 39  .....    93  19 06.8 -28 17
 Tue Jun 06/Wed Jun 07   102.8   16 35 18   19 35  21 09   3 41  5 15   13 44  20 17   22 35  .....    86  20 12.1 -26 04
 Wed Jun 07/Thu Jun 08   103.8   16 39 15   19 36  21 10   3 41  5 15   13 49  20 21   23 23  .....    77  21 13.9 -22 11
 Thu Jun 08/Fri Jun 09   104.8   16 43 11   19 36  21 10   3 41  5 15   13 53  20 24    0 03  .....    67  22 11.2 -17 03
 Fri Jun 09/Sat Jun 10   105.8   16 47 08   19 37  21 11   3 40  5 15   13 58  20 28    0 38  .....    55  23 04.4 -11 07
 Sat Jun 10/Sun Jun 11   106.8   16 51 04   19 37  21 12   3 40  5 15   14 02  20 32    1 09  .....    44  23 54.7 - 4 46
 
 Sun Jun 11/Mon Jun 12   107.8   16 55 01   19 38  21 12   3 40  5 15   14 07  20 36    1 38  .....    33   0 43.2   1 38
 Mon Jun 12/Tue Jun 13   108.8   16 58 57   19 38  21 13   3 40  5 15   14 11  20 40    2 07  .....    24   1 31.3   7 49
 Tue Jun 13/Wed Jun 14   109.8   17 02 54   19 38  21 13   3 40  5 15   14 16  20 44    2 38  .....    15   2 19.9  13 30
 Wed Jun 14/Thu Jun 15   110.8   17 06 51   19 39  21 14   3 40  5 15   14 20  20 47    3 12  .....     8   3 09.9  18 28
 Thu Jun 15/Fri Jun 16   111.8   17 10 47   19 39  21 14   3 40  5 15   14 24  20 51    3 50  17 41     4   4 01.8  22 28
 Fri Jun 16/Sat Jun 17   112.8   17 14 44   19 39  21 14   3 40  5 15   14 29  20 55    4 33  18 43     1   4 55.5  25 18
 Sat Jun 17/Sun Jun 18   113.8   17 18 40   19 40  21 15   3 40  5 15   14 33  20 59    5 22  19 43     0   5 50.3  26 49
 
 Sun Jun 18/Mon Jun 19   114.8   17 22 37   19 40  21 15   3 40  5 15   14 37  21 04    6 16  20 38     1   6 45.1  26 58
 Mon Jun 19/Tue Jun 20   115.8   17 26 33   19 40  21 15   3 40  5 16   14 41  21 08   .....  21 27     4   7 38.7  25 47
 Tue Jun 20/Wed Jun 21   116.8   17 30 30   19 40  21 16   3 41  5 16   14 46  21 12   .....  22 09     9   8 30.1  23 24
 Wed Jun 21/Thu Jun 22   117.8   17 34 26   19 41  21 16   3 41  5 16   14 50  21 16   .....  22 44    15   9 18.9  20 01
 Thu Jun 22/Fri Jun 23   118.8   17 38 23   19 41  21 16   3 41  5 16   14 54  21 20   .....  23 16    22  10 05.2  15 49
 Fri Jun 23/Sat Jun 24   119.8   17 42 20   19 41  21 16   3 41  5 17   14 58  21 24   .....  23 43    31  10 49.6  10 59
 Sat Jun 24/Sun Jun 25   120.8   17 46 16   19 41  21 16   3 42  5 17   15 02  21 29   .....   0 09    40  11 32.7   5 41
 
 Sun Jun 25/Mon Jun 26   121.8   17 50 13   19 41  21 16   3 42  5 17   15 06  21 33   .....   0 35    49  12 15.6   0 05
 Mon Jun 26/Tue Jun 27   122.8   17 54 09   19 41  21 16   3 43  5 17   15 10  21 37   .....   1 00    59  12 59.4 - 5 41
 Tue Jun 27/Wed Jun 28   123.8   17 58 06   19 42  21 16   3 43  5 18   15 14  21 42   .....   1 28    69  13 45.2 -11 26
 Wed Jun 28/Thu Jun 29   124.8   18 02 02   19 42  21 16   3 43  5 18   15 18  21 46   .....   2 00    78  14 34.4 -16 54
 Thu Jun 29/Fri Jun 30   125.8   18 05 59   19 42  21 16   3 44  5 19   15 22  21 50   .....   2 37    86  15 28.0 -21 48
 Fri Jun 30/Sat Jul 01   126.8   18 09 55   19 42  21 16   3 44  5 19   15 26  21 55   .....   3 22    93  16 27.0 -25 42
 
                                            ***** 2023 JULY *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Sat Jul 01/Sun Jul 02   127.8   18 13 52   19 42  21 16   3 45  5 19   15 29  21 59   18 12   4 17    98  17 31.0 -28 07
 
 Sun Jul 02/Mon Jul 03   128.8   18 17 49   19 42  21 16   3 45  5 20   15 33  22 04   19 21   5 23   100  18 38.4 -28 40
 Mon Jul 03/Tue Jul 04   129.8   18 21 45   19 41  21 16   3 46  5 20   15 37  22 08   20 22  .....    99  19 46.2 -27 09
 Tue Jul 04/Wed Jul 05   130.8   18 25 42   19 41  21 15   3 47  5 21   15 41  22 13   21 15  .....    95  20 51.5 -23 43
 Wed Jul 05/Thu Jul 06   131.8   18 29 38   19 41  21 15   3 47  5 21   15 44  22 18   22 00  .....    88  21 52.5 -18 46
 Thu Jul 06/Fri Jul 07   132.8   18 33 35   19 41  21 15   3 48  5 22   15 48  22 22   22 37  .....    79  22 48.9 -12 47
 Fri Jul 07/Sat Jul 08   133.8   18 37 31   19 41  21 14   3 49  5 22   15 51  22 27   23 10  .....    69  23 41.5 - 6 18
 Sat Jul 08/Sun Jul 09   134.8   18 41 28   19 41  21 14   3 49  5 23   15 55  22 31   23 41  .....    58   0 31.6   0 18
 
 Sun Jul 09/Mon Jul 10   135.8   18 45 24   19 40  21 14   3 50  5 23   15 59  22 36    0 10  .....    47   1 20.5   6 40
 Mon Jul 10/Tue Jul 11   136.8   18 49 21   19 40  21 13   3 51  5 24   16 02  22 41    0 40  .....    36   2 09.4  12 32
 Tue Jul 11/Wed Jul 12   137.8   18 53 18   19 40  21 13   3 52  5 24   16 06  22 45    1 13  .....    27   2 59.2  17 39
 Wed Jul 12/Thu Jul 13   138.8   18 57 14   19 40  21 12   3 52  5 25   16 09  22 50    1 49  .....    18   3 50.6  21 50
 Thu Jul 13/Fri Jul 14   139.8   19 01 11   19 39  21 12   3 53  5 25   16 12  22 55    2 31  .....    11   4 43.6  24 52
 Fri Jul 14/Sat Jul 15   140.8   19 05 07   19 39  21 11   3 54  5 26   16 16  23 00    3 18  17 37     6   5 37.8  26 38
 Sat Jul 15/Sun Jul 16   141.8   19 09 04   19 39  21 10   3 55  5 27   16 19  23 04    4 10  18 33     2   6 32.2  27 04
 
 Sun Jul 16/Mon Jul 17   142.8   19 13 00   19 38  21 10   3 56  5 27   16 22  23 09    5 06  19 23     0   7 25.8  26 09
 Mon Jul 17/Tue Jul 18   143.8   19 16 57   19 38  21 09   3 56  5 28   16 26  23 14    6 04  20 07     0   8 17.5  24 01
 Tue Jul 18/Wed Jul 19   144.8   19 20 53   19 37  21 08   3 57  5 28   16 29  23 19   .....  20 44     2   9 06.7  20 51
 Wed Jul 19/Thu Jul 20   145.8   19 24 50   19 37  21 08   3 58  5 29   16 32  23 24   .....  21 17     6   9 53.4  16 49
 Thu Jul 20/Fri Jul 21   146.8   19 28 47   19 36  21 07   3 59  5 30   16 35  23 29   .....  21 46    11  10 37.9  12 08
 Fri Jul 21/Sat Jul 22   147.8   19 32 43   19 36  21 06   4 00  5 30   16 38  23 33   .....  22 12    17  11 20.8   6 58
 Sat Jul 22/Sun Jul 23   148.8   19 36 40   19 35  21 05   4 01  5 31   16 41  23 38   .....  22 37    25  12 03.0   1 30
 
 Sun Jul 23/Mon Jul 24   149.8   19 40 36   19 35  21 04   4 02  5 32   16 44  23 43   .....  23 02    34  12 45.5 - 4 08
 Mon Jul 24/Tue Jul 25   150.8   19 44 33   19 34  21 03   4 03  5 32   16 48  23 48   .....  23 28    43  13 29.5 - 9 45
 Tue Jul 25/Wed Jul 26   151.8   19 48 29   19 33  21 03   4 04  5 33   16 51  23 53   .....  23 57    53  14 16.0 -15 11
 Wed Jul 26/Thu Jul 27   152.8   19 52 26   19 33  21 02   4 05  5 34   16 54  23 58   .....   0 31    64  15 06.3 -20 10
 Thu Jul 27/Fri Jul 28   153.8   19 56 22   19 32  21 01   4 06  5 34   16 57   0 03   .....   1 11    74  16 01.5 -24 22
 Fri Jul 28/Sat Jul 29   154.8   20 00 19   19 31  21 00   4 06  5 35   16 59   0 07   .....   2 00    83  17 02.0 -27 21
 Sat Jul 29/Sun Jul 30   155.8   20 04 16   19 31  20 59   4 07  5 36   17 02   0 12   .....   3 00    91  18 07.1 -28 43
 
 Sun Jul 30/Mon Jul 31   156.8   20 08 12   19 30  20 58   4 08  5 36   17 05   0 17   18 04   4 09    96  19 14.7 -28 07
 Mon Jul 31/Tue Aug 01   157.8   20 12 09   19 29  20 57   4 09  5 37   17 08   0 22   19 01   5 24    99  20 21.8 -25 27
 
                                            ***** 2023 AUGUST *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Tue Aug 01/Wed Aug 02   158.8   20 16 05   19 28  20 55   4 10  5 38   17 11   0 27   19 50  .....    99  21 25.9 -20 59
 Wed Aug 02/Thu Aug 03   159.8   20 20 02   19 27  20 54   4 11  5 38   17 14   0 32   20 32  .....    96  22 25.8 -15 10
 Thu Aug 03/Fri Aug 04   160.8   20 23 58   19 27  20 53   4 12  5 39   17 17   0 37   21 08  .....    90  23 21.7 - 8 34
 Fri Aug 04/Sat Aug 05   161.8   20 27 55   19 26  20 52   4 13  5 40   17 20   0 42   21 40  .....    82   0 14.5 - 1 40
 Sat Aug 05/Sun Aug 06   162.8   20 31 51   19 25  20 51   4 14  5 40   17 22   0 47   22 11  .....    72   1 05.5   5 05
 
 Sun Aug 06/Mon Aug 07   163.8   20 35 48   19 24  20 50   4 15  5 41   17 25   0 52   22 41  .....    62   1 56.0  11 19
 Mon Aug 07/Tue Aug 08   164.8   20 39 45   19 23  20 49   4 16  5 42   17 28   0 56   23 14  .....    51   2 46.8  16 47
 Tue Aug 08/Wed Aug 09   165.8   20 43 41   19 22  20 47   4 17  5 42   17 31   1 01   23 49  .....    41   3 38.8  21 17
 Wed Aug 09/Thu Aug 10   166.8   20 47 38   19 21  20 46   4 18  5 43   17 33   1 06    0 29  .....    31   4 32.0  24 36
 Thu Aug 10/Fri Aug 11   167.8   20 51 34   19 20  20 45   4 19  5 44   17 36   1 11    1 14  .....    22   5 26.3  26 37
 Fri Aug 11/Sat Aug 12   168.8   20 55 31   19 19  20 44   4 20  5 44   17 39   1 16    2 05  .....    15   6 20.9  27 17
 Sat Aug 12/Sun Aug 13   169.8   20 59 27   19 18  20 42   4 21  5 45   17 41   1 21    3 00  17 21     8   7 14.6  26 37
 
 Sun Aug 13/Mon Aug 14   170.8   21 03 24   19 17  20 41   4 22  5 46   17 44   1 26    3 58  18 06     4   8 06.6  24 42
 Mon Aug 14/Tue Aug 15   171.8   21 07 20   19 16  20 40   4 23  5 46   17 47   1 31    4 56  18 45     1   8 56.1  21 42
 Tue Aug 15/Wed Aug 16   172.8   21 11 17   19 15  20 39   4 23  5 47   17 49   1 35    5 53  19 19     0   9 43.2  17 49
 Wed Aug 16/Thu Aug 17   173.8   21 15 14   19 14  20 37   4 24  5 48   17 52   1 40   .....  19 49     1  10 28.0  13 14
 Thu Aug 17/Fri Aug 18   174.8   21 19 10   19 13  20 36   4 25  5 48   17 54   1 45   .....  20 16     3  11 11.0   8 08
 Fri Aug 18/Sat Aug 19   175.8   21 23 07   19 12  20 34   4 26  5 49   17 57   1 50   .....  20 41     7  11 53.1   2 43
 Sat Aug 19/Sun Aug 20   176.8   21 27 03   19 11  20 33   4 27  5 49   18 00   1 55   .....  21 06    13  12 35.1 - 2 52
 
 Sun Aug 20/Mon Aug 21   177.8   21 31 00   19 10  20 32   4 28  5 50   18 02   2 00   .....  21 31    20  13 18.0 - 8 27
 Mon Aug 21/Tue Aug 22   178.8   21 34 56   19 08  20 30   4 29  5 51   18 05   2 04   .....  21 58    28  14 02.9 -13 52
 Tue Aug 22/Wed Aug 23   179.8   21 38 53   19 07  20 29   4 30  5 51   18 07   2 09   .....  22 29    38  14 50.7 -18 52
 Wed Aug 23/Thu Aug 24   180.8   21 42 49   19 06  20 28   4 31  5 52   18 10   2 14   .....  23 06    48  15 42.6 -23 12
 Thu Aug 24/Fri Aug 25   181.8   21 46 46   19 05  20 26   4 31  5 53   18 12   2 19   .....  23 49    59  16 39.3 -26 32
 Fri Aug 25/Sat Aug 26   182.8   21 50 43   19 04  20 25   4 32  5 53   18 15   2 24   .....   0 43    69  17 40.6 -28 28
 Sat Aug 26/Sun Aug 27   183.8   21 54 39   19 03  20 23   4 33  5 54   18 17   2 29   .....   1 46    79  18 45.4 -28 39
 
 Sun Aug 27/Mon Aug 28   184.8   21 58 36   19 01  20 22   4 34  5 55   18 20   2 33   .....   2 56    88  19 51.3 -26 54
 Mon Aug 28/Tue Aug 29   185.8   22 02 32   19 00  20 21   4 35  5 55   18 22   2 38   17 38   4 11    95  20 55.9 -23 14
 Tue Aug 29/Wed Aug 30   186.8   22 06 29   18 59  20 19   4 36  5 56   18 25   2 43   18 23   5 27    99  21 57.5 -17 58
 Wed Aug 30/Thu Aug 31   187.8   22 10 25   18 58  20 18   4 36  5 56   18 27   2 48   19 01   6 40   100  22 55.6 -11 33
 Thu Aug 31/Fri Sep 01   188.8   22 14 22   18 56  20 16   4 37  5 57   18 30   2 52   19 35  .....    98  23 50.8 - 4 32
 
                                            ***** 2023 SEPTEMBER *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Fri Sep 01/Sat Sep 02   189.8   22 18 18   18 55  20 15   4 38  5 58   18 32   2 57   20 07  .....    93   0 44.0   2 35
 Sat Sep 02/Sun Sep 03   190.8   22 22 15   18 54  20 13   4 39  5 58   18 35   3 02   20 39  .....    85   1 36.4   9 19
 
 Sun Sep 03/Mon Sep 04   191.8   22 26 12   18 53  20 12   4 40  5 59   18 37   3 07   21 11  .....    76   2 28.9  15 21
 Mon Sep 04/Tue Sep 05   192.8   22 30 08   18 51  20 10   4 40  6 00   18 40   3 11   21 47  .....    66   3 22.4  20 21
 Tue Sep 05/Wed Sep 06   193.8   22 34 05   18 50  20 09   4 41  6 00   18 42   3 16   22 26  .....    56   4 17.0  24 09
 Wed Sep 06/Thu Sep 07   194.8   22 38 01   18 49  20 08   4 42  6 01   18 45   3 21   23 10  .....    46   5 12.4  26 34
 Thu Sep 07/Fri Sep 08   195.8   22 41 58   18 47  20 06   4 43  6 01   18 47   3 25   24 00  .....    36   6 08.0  27 34
 Fri Sep 08/Sat Sep 09   196.8   22 45 54   18 46  20 05   4 44  6 02   18 50   3 30    0 54  .....    27   7 02.6  27 11
 Sat Sep 09/Sun Sep 10   197.8   22 49 51   18 45  20 03   4 44  6 03   18 52   3 35    1 51  .....    19   7 55.3  25 30
 
 Sun Sep 10/Mon Sep 11   198.8   22 53 47   18 44  20 02   4 45  6 03   18 55   3 40    2 49  .....    12   8 45.5  22 41
 Mon Sep 11/Tue Sep 12   199.8   22 57 44   18 42  20 00   4 46  6 04   18 57   3 44    3 47  17 22     7   9 33.1  18 57
 Tue Sep 12/Wed Sep 13   200.8   23 01 41   18 41  19 59   4 47  6 04   19 00   3 49    4 43  17 52     3  10 18.3  14 28
 Wed Sep 13/Thu Sep 14   201.8   23 05 37   18 40  19 57   4 47  6 05   19 02   3 54    5 39  18 20     1  11 01.8   9 26
 Thu Sep 14/Fri Sep 15   202.8   23 09 34   18 38  19 56   4 48  6 06   19 05   3 58    6 34  18 45     0  11 44.1   4 01
 Fri Sep 15/Sat Sep 16   203.8   23 13 30   18 37  19 55   4 49  6 06   19 07   4 03   .....  19 10     1  12 26.1 - 1 35
 Sat Sep 16/Sun Sep 17   204.8   23 17 27   18 36  19 53   4 49  6 07   19 10   4 08   .....  19 35     4  13 08.7 - 7 13
 
 Sun Sep 17/Mon Sep 18   205.8   23 21 23   18 34  19 52   4 50  6 08   19 12   4 12   .....  20 02     9  13 52.9 -12 41
 Mon Sep 18/Tue Sep 19   206.8   23 25 20   18 33  19 50   4 51  6 08   19 15   4 17   .....  20 31    16  14 39.6 -17 47
 Tue Sep 19/Wed Sep 20   207.8   23 29 16   18 32  19 49   4 52  6 09   19 17   4 22   .....  21 05    24  15 29.8 -22 15
 Wed Sep 20/Thu Sep 21   208.8   23 33 13   18 30  19 47   4 52  6 09   19 20   4 26   .....  21 46    33  16 24.0 -25 47
 Thu Sep 21/Fri Sep 22   209.8   23 37 10   18 29  19 46   4 53  6 10   19 22   4 31   .....  22 34    44  17 22.4 -28 03
 Fri Sep 22/Sat Sep 23   210.8   23 41 06   18 28  19 45   4 54  6 11   19 25   4 36   .....  23 32    55  18 24.0 -28 46
 Sat Sep 23/Sun Sep 24   211.8   23 45 03   18 26  19 43   4 54  6 11   19 28   4 40   .....   0 37    66  19 27.2 -27 43
 
 Sun Sep 24/Mon Sep 25   212.8   23 48 59   18 25  19 42   4 55  6 12   19 30   4 45   .....   1 48    76  20 30.1 -24 51
 Mon Sep 25/Tue Sep 26   213.8   23 52 56   18 24  19 40   4 56  6 13   19 33   4 49   .....   3 02    86  21 30.9 -20 19
 Tue Sep 26/Wed Sep 27   214.8   23 56 52   18 22  19 39   4 56  6 13   19 35   4 54   16 54   4 14    93  22 29.0 -14 29
 Wed Sep 27/Thu Sep 28   215.8    0 00 49   18 21  19 38   4 57  6 14   19 38   4 59   17 30   5 25    98  23 24.6 - 7 44
 Thu Sep 28/Fri Sep 29   216.8    0 04 45   18 20  19 36   4 58  6 14   19 40   5 03   18 02   6 35   100   0 18.5 - 0 36
 Fri Sep 29/Sat Sep 30   217.8    0 08 42   18 18  19 35   4 58  6 15   19 43   5 08   18 34  .....    99   1 11.7   6 29
 Sat Sep 30/Sun Oct 01   218.8    0 12 39   18 17  19 34   4 59  6 16   19 46   5 13   19 06  .....    95   2 05.3  13 02
 
                                            ***** 2023 OCTOBER *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 
 Sun Oct 01/Mon Oct 02   219.8    0 16 35   18 16  19 32   5 00  6 16   19 48   5 17   19 41  .....    89   2 59.9  18 42
 Mon Oct 02/Tue Oct 03   220.8    0 20 32   18 15  19 31   5 00  6 17   19 51   5 22   20 19  .....    81   3 55.9  23 09
 Tue Oct 03/Wed Oct 04   221.8    0 24 28   18 13  19 30   5 01  6 18   19 54   5 26   21 03  .....    72   4 53.1  26 11
 Wed Oct 04/Thu Oct 05   222.8    0 28 25   18 12  19 29   5 02  6 18   19 56   5 31   21 51  .....    62   5 50.4  27 42
 Thu Oct 05/Fri Oct 06   223.8    0 32 21   18 11  19 27   5 02  6 19   19 59   5 36   22 45  .....    52   6 46.9  27 43
 Fri Oct 06/Sat Oct 07   224.8    0 36 18   18 10  19 26   5 03  6 20   20 02   5 40   23 42  .....    42   7 41.2  26 21
 Sat Oct 07/Sun Oct 08   225.8    0 40 14   18 08  19 25   5 04  6 20   20 04   5 45    0 41  .....    33   8 32.8  23 47
 
 Sun Oct 08/Mon Oct 09   226.8    0 44 11   18 07  19 24   5 04  6 21   20 07   5 49    1 39  .....    25   9 21.3  20 14
 Mon Oct 09/Tue Oct 10   227.8    0 48 08   18 06  19 22   5 05  6 22   20 10   5 54    2 36  .....    17  10 07.3  15 53
 Tue Oct 10/Wed Oct 11   228.8    0 52 04   18 05  19 21   5 06  6 22   20 12   5 59    3 32  16 23    11  10 51.2  10 57
 Wed Oct 11/Thu Oct 12   229.8    0 56 01   18 03  19 20   5 06  6 23   20 15   6 03    4 27  16 49     5  11 33.8   5 35
 Thu Oct 12/Fri Oct 13   230.8    0 59 57   18 02  19 19   5 07  6 24   20 18   6 08    5 22  17 14     2  12 16.0 - 0 01
 Fri Oct 13/Sat Oct 14   231.8    1 03 54   18 01  19 18   5 08  6 24   20 21   6 12    6 18  17 39     0  12 58.6 - 5 43
 Sat Oct 14/Sun Oct 15   232.8    1 07 50   18 00  19 16   5 08  6 25   20 24   6 17    7 16  18 05     0  13 42.7 -11 18
 
 Sun Oct 15/Mon Oct 16   233.8    1 11 47   17 59  19 15   5 09  6 26   20 26   6 22   .....  18 34     2  14 29.2 -16 34
 Mon Oct 16/Tue Oct 17   234.8    1 15 43   17 58  19 14   5 10  6 27   20 29   6 26   .....  19 07     6  15 18.8 -21 13
 Tue Oct 17/Wed Oct 18   235.8    1 19 40   17 56  19 13   5 10  6 27   20 32   6 31   .....  19 45    12  16 12.2 -24 59
 Wed Oct 18/Thu Oct 19   236.8    1 23 37   17 55  19 12   5 11  6 28   20 35   6 36   .....  20 31    20  17 09.4 -27 33
 Thu Oct 19/Fri Oct 20   237.8    1 27 33   17 54  19 11   5 12  6 29   20 38   6 40   .....  21 26    29  18 09.5 -28 38
 Fri Oct 20/Sat Oct 21   238.8    1 31 30   17 53  19 10   5 12  6 30   20 41   6 45   .....  22 28    40  19 11.1 -28 01
 Sat Oct 21/Sun Oct 22   239.8    1 35 26   17 52  19 09   5 13  6 30   20 44   6 49   .....  23 36    51  20 12.3 -25 42
 
 Sun Oct 22/Mon Oct 23   240.8    1 39 23   17 51  19 08   5 14  6 31   20 47   6 54   .....   0 46    62  21 11.6 -21 47
 Mon Oct 23/Tue Oct 24   241.8    1 43 19   17 50  19 07   5 15  6 32   20 50   6 59   .....   1 56    73  22 08.3 -16 32
 Tue Oct 24/Wed Oct 25   242.8    1 47 16   17 49  19 06   5 15  6 33   20 53   7 03   .....   3 06    83  23 02.7 -10 19
 Wed Oct 25/Thu Oct 26   243.8    1 51 12   17 48  19 05   5 16  6 33   20 56   7 08   .....   4 14    91  23 55.4 - 3 29
 Thu Oct 26/Fri Oct 27   244.8    1 55 09   17 47  19 04   5 17  6 34   20 59   7 13   16 30   5 22    97   0 47.6   3 31
 Fri Oct 27/Sat Oct 28   245.8    1 59 06   17 46  19 03   5 17  6 35   21 02   7 17   17 01   6 30   100   1 40.3  10 18
 Sat Oct 28/Sun Oct 29   246.8    2 03 02   17 45  19 03   5 18  6 36   21 05   7 22   17 35   7 39   100   2 34.5  16 25
 
 Sun Oct 29/Mon Oct 30   247.8    2 06 59   17 44  19 02   5 19  6 37   21 08   7 27   18 11  .....    97   3 30.6  21 30
 Mon Oct 30/Tue Oct 31   248.8    2 10 55   17 43  19 01   5 19  6 37   21 11   7 31   18 53  .....    92   4 28.6  25 15
 Tue Oct 31/Wed Nov 01   249.8    2 14 52   17 42  19 00   5 20  6 38   21 14   7 36   19 40  .....    86   5 27.5  27 27
 
                                            ***** 2023 NOVEMBER *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Wed Nov 01/Thu Nov 02   250.8    2 18 48   17 41  18 59   5 21  6 39   21 17   7 41   20 33  .....    78   6 26.0  28 02
 Thu Nov 02/Fri Nov 03   251.8    2 22 45   17 41  18 59   5 22  6 40   21 20   7 45   21 30  .....    69   7 22.7  27 07
 Fri Nov 03/Sat Nov 04   252.8    2 26 41   17 40  18 58   5 22  6 41   21 24   7 50   22 29  .....    59   8 16.3  24 53
 Sat Nov 04/Sun Nov 05   253.8    2 30 38   17 39  18 57   5 23  6 42   21 27   7 55   23 28  .....    50   9 06.6  21 34
 
 Sun Nov 05/Mon Nov 06   254.8    2 34 35   17 38  18 56   5 24  6 42   21 30   7 59    0 26  .....    40   9 53.7  17 25
 Mon Nov 06/Tue Nov 07   255.8    2 38 31   17 37  18 56   5 25  6 43   21 34   8 04    1 22  .....    31  10 38.4  12 37
 Tue Nov 07/Wed Nov 08   256.8    2 42 28   17 37  18 55   5 25  6 44   21 37   8 09    2 17  .....    23  11 21.3   7 21
 Wed Nov 08/Thu Nov 09   257.8    2 46 24   17 36  18 55   5 26  6 45   21 40   8 13    3 12  .....    16  12 03.5   1 48
 Thu Nov 09/Fri Nov 10   258.8    2 50 21   17 35  18 54   5 27  6 46   21 44   8 18    4 08  .....     9  12 46.1 - 3 54
 Fri Nov 10/Sat Nov 11   259.8    2 54 17   17 35  18 53   5 28  6 47   21 47   8 23    5 05  16 07     4  13 29.8 - 9 34
 Sat Nov 11/Sun Nov 12   260.8    2 58 14   17 34  18 53   5 28  6 47   21 50   8 27    6 05  16 35     1  14 15.9 -14 58
 
 Sun Nov 12/Mon Nov 13   261.8    3 02 10   17 33  18 52   5 29  6 48   21 54   8 32    7 09  17 06     0  15 05.2 -19 52
 Mon Nov 13/Tue Nov 14   262.8    3 06 07   17 33  18 52   5 30  6 49   21 57   8 37   .....  17 43     1  15 58.4 -23 57
 Tue Nov 14/Wed Nov 15   263.8    3 10 04   17 32  18 52   5 31  6 50   22 01   8 41   .....  18 27     4  16 55.5 -26 52
 Wed Nov 15/Thu Nov 16   264.8    3 14 00   17 32  18 51   5 31  6 51   22 04   8 46   .....  19 20     9  17 55.8 -28 19
 Thu Nov 16/Fri Nov 17   265.8    3 17 57   17 31  18 51   5 32  6 52   22 08   8 51   .....  20 21    17  18 57.6 -28 04
 Fri Nov 17/Sat Nov 18   266.8    3 21 53   17 31  18 50   5 33  6 53   22 11   8 56   .....  21 28    26  19 58.9 -26 06
 Sat Nov 18/Sun Nov 19   267.8    3 25 50   17 30  18 50   5 34  6 54   22 15   9 00   .....  22 37    36  20 58.0 -22 34
 
 Sun Nov 19/Mon Nov 20   268.8    3 29 46   17 30  18 50   5 34  6 54   22 19   9 05   .....  23 47    47  21 54.2 -17 42
 Mon Nov 20/Tue Nov 21   269.8    3 33 43   17 29  18 49   5 35  6 55   22 22   9 10   .....   0 55    59  22 47.6 -11 52
 Tue Nov 21/Wed Nov 22   270.8    3 37 39   17 29  18 49   5 36  6 56   22 26   9 14   .....   2 01    70  23 39.0 - 5 24
 Wed Nov 22/Thu Nov 23   271.8    3 41 36   17 29  18 49   5 37  6 57   22 30   9 19   .....   3 07    80   0 29.4   1 20
 Thu Nov 23/Fri Nov 24   272.8    3 45 33   17 28  18 49   5 37  6 58   22 33   9 24   .....   4 13    88   1 20.2   8 00
 Fri Nov 24/Sat Nov 25   273.8    3 49 29   17 28  18 49   5 38  6 59   22 37   9 28   .....   5 20    95   2 12.4  14 14
 Sat Nov 25/Sun Nov 26   274.8    3 53 26   17 28  18 48   5 39  7 00   22 41   9 33   16 06   6 28    98   3 06.8  19 40
 
 Sun Nov 26/Mon Nov 27   275.8    3 57 22   17 28  18 48   5 40  7 00   22 45   9 38   16 45   7 36   100   4 03.6  23 56
 Mon Nov 27/Tue Nov 28   276.8    4 01 19   17 27  18 48   5 40  7 01   22 49   9 43   17 29  .....    99   5 02.5  26 47
 Tue Nov 28/Wed Nov 29   277.8    4 05 15   17 27  18 48   5 41  7 02   22 53   9 47   18 20  .....    96   6 02.0  28 01
 Wed Nov 29/Thu Nov 30   278.8    4 09 12   17 27  18 48   5 42  7 03   22 56   9 52   19 16  .....    90   7 00.5  27 40
 Thu Nov 30/Fri Dec 01   279.8    4 13 08   17 27  18 48   5 43  7 04   23 00   9 57   20 15  .....    84   7 56.4  25 52
 
                                            ***** 2023 DECEMBER *****
 
 Calendar for Kitt Peak, west longitude (h.m.s) =   7 26 24, latitude (d.m) =  31 57.8
 Note that each line lists events of one night, spanning two calendar dates.  Rise/set times are given
 in Mountain time (  7 hr W), for  900 m above surroundings, in standard time all year.
 Moon coords. and illum. are for local midnight, even if moon is down.  Program: John Thorstensen, Dartmouth College.
 
   Date (eve/morn)      JDmid    LMSTmidn   ---------- Sun: ---------   LST twilight:  ------------- Moon: --------------
   (2023 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Fri Dec 01/Sat Dec 02   280.8    4 17 05   17 27  18 48   5 43  7 05   23 04  10 01   21 15  .....    76   8 48.8  22 51
 Sat Dec 02/Sun Dec 03   281.8    4 21 02   17 27  18 48   5 44  7 05   23 08  10 06   22 14  .....    67   9 37.7  18 54
 
 Sun Dec 03/Mon Dec 04   282.8    4 24 58   17 27  18 48   5 45  7 06   23 12  10 11   23 11  .....    58  10 23.5  14 15
 Mon Dec 04/Tue Dec 05   283.8    4 28 55   17 27  18 48   5 45  7 07   23 16  10 15    0 07  .....    49  11 07.0   9 06
 Tue Dec 05/Wed Dec 06   284.8    4 32 51   17 27  18 48   5 46  7 08   23 20  10 20    1 01  .....    39  11 49.4   3 39
 Wed Dec 06/Thu Dec 07   285.8    4 36 48   17 27  18 49   5 47  7 09   23 25  10 25    1 56  .....    30  12 31.5 - 1 59
 Thu Dec 07/Fri Dec 08   286.8    4 40 44   17 27  18 49   5 47  7 09   23 29  10 29    2 52  .....    22  13 14.6 - 7 38
 Fri Dec 08/Sat Dec 09   287.8    4 44 41   17 27  18 49   5 48  7 10   23 33  10 34    3 50  .....    14  13 59.6 -13 07
 Sat Dec 09/Sun Dec 10   288.8    4 48 37   17 27  18 49   5 49  7 11   23 37  10 38    4 52  .....     8  14 47.8 -18 12
 
 Sun Dec 10/Mon Dec 11   289.8    4 52 34   17 27  18 49   5 49  7 12   23 41  10 43    5 57  .....     3  15 39.9 -22 36
 Mon Dec 11/Tue Dec 12   290.8    4 56 31   17 28  18 50   5 50  7 12   23 45  10 48    7 04  16 19     1  16 36.5 -25 56
 Tue Dec 12/Wed Dec 13   291.8    5 00 27   17 28  18 50   5 51  7 13   23 50  10 52    8 11  17 09     0  17 36.9 -27 53
 Wed Dec 13/Thu Dec 14   292.8    5 04 24   17 28  18 50   5 51  7 14   23 54  10 57   .....  18 09     2  18 39.8 -28 07
 Thu Dec 14/Fri Dec 15   293.8    5 08 20   17 28  18 51   5 52  7 14   23 58  11 01   .....  19 16     7  19 42.7 -26 34
 Fri Dec 15/Sat Dec 16   294.8    5 12 17   17 29  18 51   5 53  7 15    0 03  11 06   .....  20 27    14  20 43.6 -23 18
 Sat Dec 16/Sun Dec 17   295.8    5 16 13   17 29  18 51   5 53  7 15    0 07  11 10   .....  21 38    22  21 41.2 -18 39
 
 Sun Dec 17/Mon Dec 18   296.8    5 20 10   17 30  18 52   5 54  7 16    0 11  11 15   .....  22 47    33  22 35.4 -12 58
 Mon Dec 18/Tue Dec 19   297.8    5 24 06   17 30  18 52   5 54  7 17    0 16  11 19   .....  23 54    44  23 26.9 - 6 39
 Tue Dec 19/Wed Dec 20   298.8    5 28 03   17 30  18 53   5 55  7 17    0 20  11 24   .....   1 00    55   0 16.8 - 0 03
 Wed Dec 20/Thu Dec 21   299.8    5 32 00   17 31  18 53   5 55  7 18    0 24  11 28   .....   2 04    66   1 06.3   6 31
 Thu Dec 21/Fri Dec 22   300.8    5 35 56   17 31  18 54   5 56  7 18    0 29  11 33   .....   3 09    76   1 56.8  12 43
 Fri Dec 22/Sat Dec 23   301.8    5 39 53   17 32  18 54   5 56  7 19    0 33  11 37   .....   4 15    85   2 49.0  18 14
 Sat Dec 23/Sun Dec 24   302.8    5 43 49   17 32  18 55   5 57  7 19    0 38  11 42   .....   5 22    92   3 43.8  22 46
 
 Sun Dec 24/Mon Dec 25   303.8    5 47 46   17 33  18 55   5 57  7 19    0 42  11 46   .....   6 27    97   4 41.0  26 01
 Mon Dec 25/Tue Dec 26   304.8    5 51 42   17 33  18 56   5 58  7 20    0 47  11 50   16 10   7 28    99   5 39.8  27 47
 Tue Dec 26/Wed Dec 27   305.8    5 55 39   17 34  18 56   5 58  7 20    0 51  11 55   17 04   8 22   100   6 38.6  27 58
 Wed Dec 27/Thu Dec 28   306.8    5 59 35   17 35  18 57   5 58  7 21    0 56  11 59   18 02  .....    98   7 35.7  26 38
 Thu Dec 28/Fri Dec 29   307.8    6 03 32   17 35  18 58   5 59  7 21    1 00  12 03   19 03  .....    95   8 29.8  23 58
 Fri Dec 29/Sat Dec 30   308.8    6 07 29   17 36  18 58   5 59  7 21    1 05  12 08   20 02  .....    89   9 20.4  20 16
 Sat Dec 30/Sun Dec 31   309.8    6 11 25   17 37  18 59   5 59  7 22    1 09  12 12   21 01  .....    83  10 07.6  15 46
 
 Sun Dec 31/Mon Jan 01   310.8    6 15 22   17 37  18 59   6 00  7 22    1 14  12 16   21 57  .....    75  10 52.1  10 43