2025

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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Wed Jan 01/Thu Jan 02   677.8    6 22 17   17 39  19 01   6 00  7 22    1 22  12 23   .....  19 35     6  20 57.9 -21 15
 Thu Jan 02/Fri Jan 03   678.8    6 26 14   17 39  19 01   6 00  7 22    1 27  12 28   .....  20 42    12  21 51.2 -16 13
 Fri Jan 03/Sat Jan 04   679.8    6 30 11   17 40  19 02   6 01  7 22    1 31  12 32   .....  21 48    21  22 42.4 -10 19
 Sat Jan 04/Sun Jan 05   680.8    6 34 07   17 41  19 03   6 01  7 23    1 36  12 36   .....  22 54    30  23 32.1 - 3 53
 
 Sun Jan 05/Mon Jan 06   681.8    6 38 04   17 42  19 03   6 01  7 23    1 41  12 40   .....  23 59    41   0 21.5   2 48
 Mon Jan 06/Tue Jan 07   682.8    6 42 00   17 42  19 04   6 01  7 23    1 45  12 44   .....   1 05    53   1 11.8   9 23
 Tue Jan 07/Wed Jan 08   683.8    6 45 57   17 43  19 05   6 01  7 23    1 50  12 48   .....   2 13    64   2 04.3  15 33
 Wed Jan 08/Thu Jan 09   684.8    6 49 53   17 44  19 06   6 01  7 23    1 55  12 52   .....   3 23    74   3 00.0  20 54
 Thu Jan 09/Fri Jan 10   685.8    6 53 50   17 45  19 06   6 01  7 23    1 59  12 56   .....   4 34    84   3 59.5  25 03
 Fri Jan 10/Sat Jan 11   686.8    6 57 46   17 46  19 07   6 01  7 23    2 04  13 00   .....   5 42    91   5 02.0  27 38
 Sat Jan 11/Sun Jan 12   687.8    7 01 43   17 47  19 08   6 01  7 23    2 09  13 04   .....   6 45    96   6 05.9  28 24
 
 Sun Jan 12/Mon Jan 13   688.8    7 05 40   17 48  19 09   6 01  7 22    2 14  13 08   16 23   7 39    99   7 08.8  27 19
 Mon Jan 13/Tue Jan 14   689.8    7 09 36   17 48  19 09   6 01  7 22    2 18  13 12   17 29  .....   100   8 08.5  24 35
 Tue Jan 14/Wed Jan 15   690.8    7 13 33   17 49  19 10   6 01  7 22    2 23  13 16   18 36  .....    98   9 03.8  20 33
 Wed Jan 15/Thu Jan 16   691.8    7 17 29   17 50  19 11   6 01  7 22    2 28  13 20   19 39  .....    94   9 54.6  15 38
 Thu Jan 16/Fri Jan 17   692.8    7 21 26   17 51  19 12   6 01  7 22    2 32  13 23   20 39  .....    88  10 41.7  10 09
 Fri Jan 17/Sat Jan 18   693.8    7 25 22   17 52  19 13   6 01  7 21    2 37  13 27   21 36  .....    81  11 26.1   4 24
 Sat Jan 18/Sun Jan 19   694.8    7 29 19   17 53  19 13   6 01  7 21    2 42  13 31   22 31  .....    73  12 08.8 - 1 23
 
 Sun Jan 19/Mon Jan 20   695.8    7 33 15   17 54  19 14   6 01  7 21    2 47  13 35   23 26  .....    64  12 51.1 - 7 02
 Mon Jan 20/Tue Jan 21   696.8    7 37 12   17 55  19 15   6 00  7 20    2 51  13 38    0 20  .....    55  13 33.9 -12 24
 Tue Jan 21/Wed Jan 22   697.8    7 41 09   17 56  19 16   6 00  7 20    2 56  13 42    1 16  .....    45  14 18.4 -17 20
 Wed Jan 22/Thu Jan 23   698.8    7 45 05   17 56  19 16   6 00  7 20    3 01  13 46    2 14  .....    36  15 05.4 -21 38
 Thu Jan 23/Fri Jan 24   699.8    7 49 02   17 57  19 17   5 59  7 19    3 06  13 49    3 14  .....    27  15 55.5 -25 06
 Fri Jan 24/Sat Jan 25   700.8    7 52 58   17 58  19 18   5 59  7 19    3 10  13 53    4 14  .....    19  16 49.0 -27 31
 Sat Jan 25/Sun Jan 26   701.8    7 56 55   17 59  19 19   5 59  7 18    3 15  13 57    5 13  .....    12  17 45.6 -28 36
 
 Sun Jan 26/Mon Jan 27   702.8    8 00 51   18 00  19 20   5 58  7 18    3 20  14 00    6 08  .....     6  18 43.9 -28 11
 Mon Jan 27/Tue Jan 28   703.8    8 04 48   18 01  19 20   5 58  7 17    3 24  14 04    6 57  16 10     2  19 42.5 -26 11
 Tue Jan 28/Wed Jan 29   704.8    8 08 44   18 02  19 21   5 57  7 17    3 29  14 07    7 40  17 18     0  20 39.9 -22 40
 Wed Jan 29/Thu Jan 30   705.8    8 12 41   18 03  19 22   5 57  7 16    3 34  14 11   .....  18 27     1  21 35.0 -17 51
 Thu Jan 30/Fri Jan 31   706.8    8 16 38   18 04  19 23   5 57  7 15    3 39  14 14   .....  19 36     4  22 27.9 -12 00
 Fri Jan 31/Sat Feb 01   707.8    8 20 34   18 05  19 24   5 56  7 15    3 43  14 18   .....  20 43     9  23 19.0 - 5 30
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Sat Feb 01/Sun Feb 02   708.8    8 24 31   18 06  19 24   5 55  7 14    3 48  14 21   .....  21 50    17   0 09.2   1 18
 
 Sun Feb 02/Mon Feb 03   709.8    8 28 27   18 07  19 25   5 55  7 13    3 53  14 24   .....  22 57    27   0 59.8   8 02
 Mon Feb 03/Tue Feb 04   710.8    8 32 24   18 07  19 26   5 54  7 13    3 58  14 28   .....   0 05    37   1 51.9  14 21
 Tue Feb 04/Wed Feb 05   711.8    8 36 20   18 08  19 27   5 54  7 12    4 02  14 31   .....   1 15    49   2 46.5  19 53
 Wed Feb 05/Thu Feb 06   712.8    8 40 17   18 09  19 28   5 53  7 11    4 07  14 34   .....   2 25    60   3 44.2  24 16
 Thu Feb 06/Fri Feb 07   713.8    8 44 13   18 10  19 28   5 52  7 10    4 12  14 38   .....   3 33    71   4 44.7  27 12
 Fri Feb 07/Sat Feb 08   714.8    8 48 10   18 11  19 29   5 52  7 10    4 17  14 41   .....   4 37    80   5 46.9  28 25
 Sat Feb 08/Sun Feb 09   715.8    8 52 07   18 12  19 30   5 51  7 09    4 21  14 44   .....   5 32    88   6 48.8  27 52
 
 Sun Feb 09/Mon Feb 10   716.8    8 56 03   18 13  19 31   5 50  7 08    4 26  14 47   .....   6 19    94   7 48.3  25 39
 Mon Feb 10/Tue Feb 11   717.8    9 00 00   18 14  19 31   5 49  7 07    4 31  14 50   16 21   6 58    98   8 44.2  22 03
 Tue Feb 11/Wed Feb 12   718.8    9 03 56   18 14  19 32   5 49  7 06    4 35  14 54   17 25   7 31   100   9 36.1  17 25
 Wed Feb 12/Thu Feb 13   719.8    9 07 53   18 15  19 33   5 48  7 05    4 40  14 57   18 26  .....    99  10 24.3  12 05
 Thu Feb 13/Fri Feb 14   720.8    9 11 49   18 16  19 34   5 47  7 04    4 45  15 00   19 25  .....    97  11 09.7   6 21
 Fri Feb 14/Sat Feb 15   721.8    9 15 46   18 17  19 35   5 46  7 03    4 50  15 03   20 21  .....    93  11 53.2   0 28
 Sat Feb 15/Sun Feb 16   722.8    9 19 42   18 18  19 35   5 45  7 03    4 54  15 06   21 16  .....    87  12 35.9 - 5 20
 
 Sun Feb 16/Mon Feb 17   723.8    9 23 39   18 19  19 36   5 44  7 02    4 59  15 09   22 10  .....    80  13 18.8 -10 53
 Mon Feb 17/Tue Feb 18   724.8    9 27 36   18 20  19 37   5 43  7 01    5 04  15 12   23 06  .....    72  14 02.9 -16 01
 Tue Feb 18/Wed Feb 19   725.8    9 31 32   18 20  19 38   5 42  7 00    5 08  15 15    0 02  .....    63  14 49.0 -20 34
 Wed Feb 19/Thu Feb 20   726.8    9 35 29   18 21  19 38   5 42  6 58    5 13  15 18    1 01  .....    53  15 37.8 -24 19
 Thu Feb 20/Fri Feb 21   727.8    9 39 25   18 22  19 39   5 41  6 57    5 18  15 21    2 00  .....    44  16 29.8 -27 05
 Fri Feb 21/Sat Feb 22   728.8    9 43 22   18 23  19 40   5 40  6 56    5 22  15 24    2 59  .....    34  17 24.7 -28 38
 Sat Feb 22/Sun Feb 23   729.8    9 47 18   18 24  19 41   5 39  6 55    5 27  15 27    3 55  .....    25  18 21.9 -28 47
 
 Sun Feb 23/Mon Feb 24   730.8    9 51 15   18 24  19 41   5 37  6 54    5 32  15 30    4 46  .....    17  19 20.0 -27 22
 Mon Feb 24/Tue Feb 25   731.8    9 55 11   18 25  19 42   5 36  6 53    5 36  15 33    5 31  .....    10  20 17.6 -24 26
 Tue Feb 25/Wed Feb 26   732.8    9 59 08   18 26  19 43   5 35  6 52    5 41  15 35    6 11  .....     4  21 13.6 -20 03
 Wed Feb 26/Thu Feb 27   733.8   10 03 05   18 27  19 43   5 34  6 51    5 46  15 38    6 47  17 14     1  22 07.8 -14 30
 Thu Feb 27/Fri Feb 28   734.8   10 07 01   18 28  19 44   5 33  6 50    5 51  15 41    7 19  18 23     0  23 00.3 - 8 04
 Fri Feb 28/Sat Mar 01   735.8   10 10 58   18 28  19 45   5 32  6 49    5 55  15 44   .....  19 32     2  23 51.9 - 1 09
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Sat Mar 01/Sun Mar 02   736.8   10 14 54   18 29  19 46   5 31  6 47    6 00  15 47   .....  20 42     7   0 43.7   5 52
 
 Sun Mar 02/Mon Mar 03   737.8   10 18 51   18 30  19 46   5 30  6 46    6 05  15 50   .....  21 52    14   1 36.6  12 33
 Mon Mar 03/Tue Mar 04   738.8   10 22 47   18 31  19 47   5 29  6 45    6 09  15 52   .....  23 03    23   2 31.8  18 29
 Tue Mar 04/Wed Mar 05   739.8   10 26 44   18 31  19 48   5 27  6 44    6 14  15 55   .....   0 16    34   3 29.7  23 17
 Wed Mar 05/Thu Mar 06   740.8   10 30 40   18 32  19 49   5 26  6 43    6 19  15 58   .....   1 26    45   4 30.1  26 37
 Thu Mar 06/Fri Mar 07   741.8   10 34 37   18 33  19 49   5 25  6 41    6 23  16 01   .....   2 32    56   5 32.0  28 15
 Fri Mar 07/Sat Mar 08   742.8   10 38 34   18 34  19 50   5 24  6 40    6 28  16 03   .....   3 29    67   6 33.6  28 07
 Sat Mar 08/Sun Mar 09   743.8   10 42 30   18 34  19 51   5 23  6 39    6 33  16 06   .....   4 18    76   7 33.0  26 19
 
 Sun Mar 09/Mon Mar 10   744.8   10 46 27   18 35  19 52   5 21  6 38    6 37  16 09   .....   4 59    85   8 28.9  23 06
 Mon Mar 10/Tue Mar 11   745.8   10 50 23   18 36  19 52   5 20  6 37    6 42  16 11   .....   5 33    91   9 21.0  18 46
 Tue Mar 11/Wed Mar 12   746.8   10 54 20   18 36  19 53   5 19  6 35    6 47  16 14   .....   6 03    96  10 09.5  13 40
 Wed Mar 12/Thu Mar 13   747.8   10 58 16   18 37  19 54   5 17  6 34    6 51  16 17   17 16   6 29    99  10 55.1   8 04
 Thu Mar 13/Fri Mar 14   748.8   11 02 13   18 38  19 55   5 16  6 33    6 56  16 19   18 12   6 54   100  11 38.9   2 14
 Fri Mar 14/Sat Mar 15   749.8   11 06 09   18 39  19 55   5 15  6 32    7 01  16 22   19 08   7 18    99  12 21.8 - 3 38
 Sat Mar 15/Sun Mar 16   750.8   11 10 06   18 39  19 56   5 14  6 30    7 05  16 25   20 02  .....    96  13 04.7 - 9 19
 
 Sun Mar 16/Mon Mar 17   751.8   11 14 03   18 40  19 57   5 12  6 29    7 10  16 27   20 57  .....    92  13 48.5 -14 39
 Mon Mar 17/Tue Mar 18   752.8   11 17 59   18 41  19 58   5 11  6 28    7 15  16 30   21 53  .....    86  14 34.2 -19 26
 Tue Mar 18/Wed Mar 19   753.8   11 21 56   18 41  19 58   5 10  6 26    7 20  16 32   22 51  .....    78  15 22.2 -23 28
 Wed Mar 19/Thu Mar 20   754.8   11 25 52   18 42  19 59   5 08  6 25    7 24  16 35   23 50  .....    70  16 13.1 -26 33
 Thu Mar 20/Fri Mar 21   755.8   11 29 49   18 43  20 00   5 07  6 24    7 29  16 37    0 48  .....    61  17 06.7 -28 30
 Fri Mar 21/Sat Mar 22   756.8   11 33 45   18 43  20 01   5 05  6 23    7 34  16 40    1 44  .....    51  18 02.4 -29 06
 Sat Mar 22/Sun Mar 23   757.8   11 37 42   18 44  20 01   5 04  6 21    7 38  16 43    2 36  .....    41  18 59.3 -28 15
 
 Sun Mar 23/Mon Mar 24   758.8   11 41 38   18 45  20 02   5 03  6 20    7 43  16 45    3 23  .....    31  19 56.0 -25 55
 Mon Mar 24/Tue Mar 25   759.8   11 45 35   18 46  20 03   5 01  6 19    7 48  16 48    4 04  .....    22  20 51.7 -22 09
 Tue Mar 25/Wed Mar 26   760.8   11 49 32   18 46  20 04   5 00  6 17    7 53  16 50    4 41  .....    13  21 45.7 -17 07
 Wed Mar 26/Thu Mar 27   761.8   11 53 28   18 47  20 05   4 59  6 16    7 57  16 53    5 14  .....     7  22 38.3 -11 04
 Thu Mar 27/Fri Mar 28   762.8   11 57 25   18 48  20 05   4 57  6 15    8 02  16 55    5 46  17 08     2  23 30.2 - 4 19
 Fri Mar 28/Sat Mar 29   763.8   12 01 21   18 48  20 06   4 56  6 14    8 07  16 58    6 17  18 17     0   0 22.3   2 47
 Sat Mar 29/Sun Mar 30   764.8   12 05 18   18 49  20 07   4 54  6 12    8 12  17 00    6 51  19 29     1   1 15.6   9 46
 
 Sun Mar 30/Mon Mar 31   765.8   12 09 14   18 50  20 08   4 53  6 11    8 16  17 03   .....  20 42     5   2 11.3  16 13
 Mon Mar 31/Tue Apr 01   766.8   12 13 11   18 50  20 09   4 52  6 10    8 21  17 06   .....  21 57    11   3 09.9  21 37
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Tue Apr 01/Wed Apr 02   767.8   12 17 07   18 51  20 09   4 50  6 08    8 26  17 08   .....  23 11    20   4 11.3  25 34
 Wed Apr 02/Thu Apr 03   768.8   12 21 04   18 52  20 10   4 49  6 07    8 31  17 11   .....   0 21    30   5 14.5  27 46
 Thu Apr 03/Fri Apr 04   769.8   12 25 01   18 52  20 11   4 47  6 06    8 35  17 13   .....   1 24    41   6 17.5  28 07
 Fri Apr 04/Sat Apr 05   770.8   12 28 57   18 53  20 12   4 46  6 05    8 40  17 16   .....   2 16    51   7 18.2  26 42
 Sat Apr 05/Sun Apr 06   771.8   12 32 54   18 54  20 13   4 44  6 03    8 45  17 18   .....   3 00    62   8 15.2  23 49
 
 Sun Apr 06/Mon Apr 07   772.8   12 36 50   18 54  20 14   4 43  6 02    8 50  17 21   .....   3 36    72   9 08.0  19 46
 Mon Apr 07/Tue Apr 08   773.8   12 40 47   18 55  20 14   4 42  6 01    8 55  17 23   .....   4 06    80   9 56.9  14 52
 Tue Apr 08/Wed Apr 09   774.8   12 44 43   18 56  20 15   4 40  6 00    8 59  17 26   .....   4 33    88  10 42.7   9 27
 Wed Apr 09/Thu Apr 10   775.8   12 48 40   18 56  20 16   4 39  5 59    9 04  17 28   .....   4 58    93  11 26.5   3 43
 Thu Apr 10/Fri Apr 11   776.8   12 52 36   18 57  20 17   4 37  5 57    9 09  17 31   17 02   5 23    97  12 09.2 - 2 07
 Fri Apr 11/Sat Apr 12   777.8   12 56 33   18 58  20 18   4 36  5 56    9 14  17 33   17 56   5 47   100  12 51.9 - 7 50
 Sat Apr 12/Sun Apr 13   778.8   13 00 30   18 59  20 19   4 35  5 55    9 19  17 36   18 51   6 13   100  13 35.4 -13 17
 
 Sun Apr 13/Mon Apr 14   779.8   13 04 26   18 59  20 20   4 33  5 54    9 24  17 38   19 47   6 42    98  14 20.6 -18 15
 Mon Apr 14/Tue Apr 15   780.8   13 08 23   19 00  20 21   4 32  5 53    9 28  17 41   20 44  .....    95  15 08.2 -22 31
 Tue Apr 15/Wed Apr 16   781.8   13 12 19   19 01  20 22   4 30  5 51    9 33  17 44   21 42  .....    90  15 58.5 -25 54
 Wed Apr 16/Thu Apr 17   782.8   13 16 16   19 01  20 22   4 29  5 50    9 38  17 46   22 40  .....    84  16 51.5 -28 11
 Thu Apr 17/Fri Apr 18   783.8   13 20 12   19 02  20 23   4 28  5 49    9 43  17 49   23 37  .....    76  17 46.6 -29 10
 Fri Apr 18/Sat Apr 19   784.8   13 24 09   19 03  20 24   4 26  5 48    9 48  17 51    0 29  .....    67  18 42.7 -28 44
 Sat Apr 19/Sun Apr 20   785.8   13 28 05   19 03  20 25   4 25  5 47    9 53  17 54    1 17  .....    57  19 38.7 -26 52
 
 Sun Apr 20/Mon Apr 21   786.8   13 32 02   19 04  20 26   4 24  5 46    9 58  17 56    1 59  .....    47  20 33.5 -23 37
 Mon Apr 21/Tue Apr 22   787.8   13 35 59   19 05  20 27   4 22  5 45   10 03  17 59    2 36  .....    37  21 26.8 -19 07
 Tue Apr 22/Wed Apr 23   788.8   13 39 55   19 06  20 28   4 21  5 44   10 07  18 02    3 10  .....    26  22 18.5 -13 35
 Wed Apr 23/Thu Apr 24   789.8   13 43 52   19 06  20 29   4 20  5 42   10 12  18 04    3 41  .....    17  23 09.3 - 7 14
 Thu Apr 24/Fri Apr 25   790.8   13 47 48   19 07  20 30   4 18  5 41   10 17  18 07    4 12  .....     9   0 00.2 - 0 23
 Fri Apr 25/Sat Apr 26   791.8   13 51 45   19 08  20 31   4 17  5 40   10 22  18 09    4 44  .....     4   0 52.4   6 37
 Sat Apr 26/Sun Apr 27   792.8   13 55 41   19 08  20 32   4 16  5 39   10 27  18 12    5 19  18 14     0   1 47.0  13 19
 
 Sun Apr 27/Mon Apr 28   793.8   13 59 38   19 09  20 33   4 14  5 38   10 32  18 15    6 00  19 29     0   2 44.9  19 15
 Mon Apr 28/Tue Apr 29   794.8   14 03 34   19 10  20 34   4 13  5 37   10 37  18 17   .....  20 46     3   3 46.5  23 55
 Tue Apr 29/Wed Apr 30   795.8   14 07 31   19 11  20 35   4 12  5 36   10 42  18 20   .....  22 01     9   4 50.8  26 52
 Wed Apr 30/Thu May 01   796.8   14 11 28   19 11  20 36   4 11  5 35   10 47  18 23   .....  23 09    17   5 55.8  27 54
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Thu May 01/Fri May 02   797.8   14 15 24   19 12  20 37   4 10  5 34   10 52  18 26   .....   0 08    26   6 59.1  27 01
 Fri May 02/Sat May 03   798.8   14 19 21   19 13  20 38   4 08  5 34   10 57  18 28   .....   0 57    36   7 58.5  24 29
 Sat May 03/Sun May 04   799.8   14 23 17   19 13  20 39   4 07  5 33   11 02  18 31   .....   1 36    46   8 53.4  20 41
 
 Sun May 04/Mon May 05   800.8   14 27 14   19 14  20 40   4 06  5 32   11 07  18 34   .....   2 09    57   9 43.7  15 58
 Mon May 05/Tue May 06   801.8   14 31 10   19 15  20 41   4 05  5 31   11 12  18 37   .....   2 37    67  10 30.4  10 39
 Tue May 06/Wed May 07   802.8   14 35 07   19 16  20 42   4 04  5 30   11 16  18 39   .....   3 03    75  11 14.6   5 00
 Wed May 07/Thu May 08   803.8   14 39 03   19 16  20 43   4 03  5 29   11 21  18 42   .....   3 27    83  11 57.3 - 0 46
 Thu May 08/Fri May 09   804.8   14 43 00   19 17  20 44   4 01  5 28   11 26  18 45   .....   3 52    90  12 39.7 - 6 29
 Fri May 09/Sat May 10   805.8   14 46 57   19 18  20 45   4 00  5 28   11 31  18 48   .....   4 17    95  13 22.8 -11 58
 Sat May 10/Sun May 11   806.8   14 50 53   19 18  20 46   3 59  5 27   11 36  18 51   17 41   4 45    98  14 07.5 -17 03
 
 Sun May 11/Mon May 12   807.8   14 54 50   19 19  20 47   3 58  5 26   11 41  18 54   18 37   5 17   100  14 54.5 -21 31
 Mon May 12/Tue May 13   808.8   14 58 46   19 20  20 48   3 57  5 25   11 46  18 57   19 36   5 53    99  15 44.4 -25 09
 Tue May 13/Wed May 14   809.8   15 02 43   19 21  20 49   3 56  5 25   11 51  19 00   20 34  .....    97  16 37.1 -27 44
 Wed May 14/Thu May 15   810.8   15 06 39   19 21  20 50   3 55  5 24   11 56  19 03   21 31  .....    93  17 32.1 -29 03
 Thu May 15/Fri May 16   811.8   15 10 36   19 22  20 51   3 54  5 23   12 01  19 06   22 25  .....    88  18 28.4 -28 58
 Fri May 16/Sat May 17   812.8   15 14 32   19 23  20 52   3 53  5 23   12 06  19 09   23 14  .....    81  19 24.5 -27 26
 Sat May 17/Sun May 18   813.8   15 18 29   19 23  20 53   3 53  5 22   12 11  19 12   23 57  .....    72  20 19.4 -24 32
 
 Sun May 18/Mon May 19   814.8   15 22 26   19 24  20 54   3 52  5 21   12 16  19 15    0 35  .....    62  21 12.3 -20 24
 Mon May 19/Tue May 20   815.8   15 26 22   19 25  20 55   3 51  5 21   12 21  19 18    1 09  .....    52  22 03.3 -15 14
 Tue May 20/Wed May 21   816.8   15 30 19   19 25  20 56   3 50  5 20   12 26  19 21    1 40  .....    41  22 53.1 - 9 17
 Wed May 21/Thu May 22   817.8   15 34 15   19 26  20 57   3 49  5 20   12 30  19 24    2 10  .....    30  23 42.5 - 2 46
 Thu May 22/Fri May 23   818.8   15 38 12   19 27  20 58   3 49  5 19   12 35  19 27    2 40  .....    20   0 32.7   4 00
 Fri May 23/Sat May 24   819.8   15 42 08   19 27  20 58   3 48  5 19   12 40  19 31    3 13  .....    12   1 25.0  10 40
 Sat May 24/Sun May 25   820.8   15 46 05   19 28  20 59   3 47  5 18   12 45  19 34    3 50  .....     5   2 20.6  16 50
 
 Sun May 25/Mon May 26   821.8   15 50 01   19 29  21 00   3 46  5 18   12 50  19 37    4 33  18 17     1   3 20.2  21 59
 Mon May 26/Tue May 27   822.8   15 53 58   19 29  21 01   3 46  5 18   12 55  19 40    5 25  19 34     0   4 23.5  25 39
 Tue May 27/Wed May 28   823.8   15 57 55   19 30  21 02   3 45  5 17   12 59  19 44    6 26  20 47     2   5 29.2  27 28
 Wed May 28/Thu May 29   824.8   16 01 51   19 31  21 03   3 45  5 17   13 04  19 47   .....  21 52     7   6 34.5  27 18
 Thu May 29/Fri May 30   825.8   16 05 48   19 31  21 04   3 44  5 17   13 09  19 50   .....  22 47    13   7 36.8  25 17
 Fri May 30/Sat May 31   826.8   16 09 44   19 32  21 04   3 44  5 16   13 14  19 54   .....  23 31    22   8 34.6  21 48
 Sat May 31/Sun Jun 01   827.8   16 13 41   19 32  21 05   3 43  5 16   13 18  19 57   .....   0 08    31   9 27.4  17 14
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 
 Sun Jun 01/Mon Jun 02   828.8   16 17 37   19 33  21 06   3 43  5 16   13 23  20 01   .....   0 38    41  10 15.9  12 00
 Mon Jun 02/Tue Jun 03   829.8   16 21 34   19 33  21 07   3 42  5 16   13 28  20 04   .....   1 05    51  11 01.2   6 23
 Tue Jun 03/Wed Jun 04   830.8   16 25 30   19 34  21 08   3 42  5 15   13 33  20 08   .....   1 30    61  11 44.5   0 37
 Wed Jun 04/Thu Jun 05   831.8   16 29 27   19 35  21 08   3 42  5 15   13 37  20 12   .....   1 55    70  12 27.0 - 5 07
 Thu Jun 05/Fri Jun 06   832.8   16 33 24   19 35  21 09   3 41  5 15   13 42  20 15   .....   2 20    78  13 09.8 -10 39
 Fri Jun 06/Sat Jun 07   833.8   16 37 20   19 36  21 10   3 41  5 15   13 46  20 19   .....   2 47    85  13 53.8 -15 49
 Sat Jun 07/Sun Jun 08   834.8   16 41 17   19 36  21 10   3 41  5 15   13 51  20 23   .....   3 18    91  14 40.1 -20 26
 
 Sun Jun 08/Mon Jun 09   835.8   16 45 13   19 36  21 11   3 41  5 15   13 56  20 26   .....   3 53    96  15 29.2 -24 19
 Mon Jun 09/Tue Jun 10   836.8   16 49 10   19 37  21 11   3 40  5 15   14 00  20 30   18 27   4 33    99  16 21.4 -27 11
 Tue Jun 10/Wed Jun 11   837.8   16 53 06   19 37  21 12   3 40  5 15   14 05  20 34   19 25   5 21   100  17 16.4 -28 51
 Wed Jun 11/Thu Jun 12   838.8   16 57 03   19 38  21 12   3 40  5 15   14 09  20 38   20 21   6 15    99  18 13.1 -29 07
 Thu Jun 12/Fri Jun 13   839.8   17 00 59   19 38  21 13   3 40  5 15   14 13  20 42   21 12  .....    96  19 10.0 -27 55
 Fri Jun 13/Sat Jun 14   840.8   17 04 56   19 39  21 13   3 40  5 15   14 18  20 46   21 57  .....    91  20 05.9 -25 17
 Sat Jun 14/Sun Jun 15   841.8   17 08 53   19 39  21 14   3 40  5 15   14 22  20 49   22 36  .....    84  20 59.6 -21 22
 
 Sun Jun 15/Mon Jun 16   842.8   17 12 49   19 39  21 14   3 40  5 15   14 27  20 53   23 11  .....    76  21 51.1 -16 24
 Mon Jun 16/Tue Jun 17   843.8   17 16 46   19 40  21 15   3 40  5 15   14 31  20 57   23 42  .....    66  22 40.8 -10 37
 Tue Jun 17/Wed Jun 18   844.8   17 20 42   19 40  21 15   3 40  5 15   14 35  21 02    0 11  .....    55  23 29.5 - 4 18
 Wed Jun 18/Thu Jun 19   845.8   17 24 39   19 40  21 15   3 40  5 15   14 39  21 06    0 40  .....    44   0 18.3   2 17
 Thu Jun 19/Fri Jun 20   846.8   17 28 35   19 40  21 15   3 41  5 16   14 44  21 10    1 11  .....    33   1 08.6   8 50
 Fri Jun 20/Sat Jun 21   847.8   17 32 32   19 41  21 16   3 41  5 16   14 48  21 14    1 45  .....    23   2 01.6  15 00
 Sat Jun 21/Sun Jun 22   848.8   17 36 28   19 41  21 16   3 41  5 16   14 52  21 18    2 24  .....    14   2 58.4  20 22
 
 Sun Jun 22/Mon Jun 23   849.8   17 40 25   19 41  21 16   3 41  5 16   14 56  21 22    3 11  .....     7   3 59.2  24 29
 Mon Jun 23/Tue Jun 24   850.8   17 44 22   19 41  21 16   3 42  5 17   15 00  21 27    4 07  18 24     2   5 03.3  26 57
 Tue Jun 24/Wed Jun 25   851.8   17 48 18   19 41  21 16   3 42  5 17   15 04  21 31    5 11  19 33     0   6 08.7  27 30
 Wed Jun 25/Thu Jun 26   852.8   17 52 15   19 41  21 16   3 42  5 17   15 08  21 35    6 21  20 33     1   7 12.5  26 08
 Thu Jun 26/Fri Jun 27   853.8   17 56 11   19 41  21 16   3 43  5 18   15 12  21 40   .....  21 22     5   8 12.6  23 06
 Fri Jun 27/Sat Jun 28   854.8   18 00 08   19 42  21 16   3 43  5 18   15 16  21 44   .....  22 03    10   9 07.9  18 49
 Sat Jun 28/Sun Jun 29   855.8   18 04 04   19 42  21 16   3 44  5 18   15 20  21 48   .....  22 36    17   9 58.6  13 41
 
 Sun Jun 29/Mon Jun 30   856.8   18 08 01   19 42  21 16   3 44  5 19   15 24  21 53   .....  23 05    26  10 45.6   8 04
 Mon Jun 30/Tue Jul 01   857.8   18 11 57   19 42  21 16   3 45  5 19   15 28  21 57   .....  23 32    35  11 30.0   2 15
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Tue Jul 01/Wed Jul 02   858.8   18 15 54   19 42  21 16   3 45  5 20   15 31  22 02   .....  23 57    45  12 13.0 - 3 33
 Wed Jul 02/Thu Jul 03   859.8   18 19 51   19 41  21 16   3 46  5 20   15 35  22 06   .....   0 22    54  12 55.7 - 9 10
 Thu Jul 03/Fri Jul 04   860.8   18 23 47   19 41  21 16   3 46  5 20   15 39  22 11   .....   0 48    63  13 39.3 -14 27
 Fri Jul 04/Sat Jul 05   861.8   18 27 44   19 41  21 15   3 47  5 21   15 43  22 15   .....   1 17    72  14 24.7 -19 14
 Sat Jul 05/Sun Jul 06   862.8   18 31 40   19 41  21 15   3 48  5 21   15 46  22 20   .....   1 51    80  15 12.8 -23 19
 
 Sun Jul 06/Mon Jul 07   863.8   18 35 37   19 41  21 15   3 48  5 22   15 50  22 25   .....   2 29    87  16 03.9 -26 30
 Mon Jul 07/Tue Jul 08   864.8   18 39 33   19 41  21 14   3 49  5 22   15 53  22 29   .....   3 15    93  16 58.2 -28 32
 Tue Jul 08/Wed Jul 09   865.8   18 43 30   19 41  21 14   3 50  5 23   15 57  22 34   18 13   4 07    97  17 54.7 -29 13
 Wed Jul 09/Thu Jul 10   866.8   18 47 26   19 40  21 13   3 50  5 23   16 00  22 38   19 06   5 06    99  18 52.3 -28 26
 Thu Jul 10/Fri Jul 11   867.8   18 51 23   19 40  21 13   3 51  5 24   16 04  22 43   19 54   6 09   100  19 49.4 -26 08
 Fri Jul 11/Sat Jul 12   868.8   18 55 20   19 40  21 12   3 52  5 25   16 07  22 48   20 36  .....    98  20 44.7 -22 28
 Sat Jul 12/Sun Jul 13   869.8   18 59 16   19 39  21 12   3 53  5 25   16 11  22 53   21 12  .....    93  21 37.7 -17 38
 
 Sun Jul 13/Mon Jul 14   870.8   19 03 13   19 39  21 11   3 54  5 26   16 14  22 57   21 44  .....    87  22 28.5 -11 54
 Mon Jul 14/Tue Jul 15   871.8   19 07 09   19 39  21 11   3 54  5 26   16 17  23 02   22 14  .....    79  23 17.8 - 5 36
 Tue Jul 15/Wed Jul 16   872.8   19 11 06   19 38  21 10   3 55  5 27   16 21  23 07   22 43  .....    69   0 06.8   1 00
 Wed Jul 16/Thu Jul 17   873.8   19 15 02   19 38  21 09   3 56  5 28   16 24  23 12   23 13  .....    58   0 56.4   7 35
 Thu Jul 17/Fri Jul 18   874.8   19 18 59   19 37  21 09   3 57  5 28   16 27  23 17   23 45  .....    46   1 48.1  13 48
 Fri Jul 18/Sat Jul 19   875.8   19 22 55   19 37  21 08   3 58  5 29   16 30  23 21    0 21  .....    35   2 42.9  19 17
 Sat Jul 19/Sun Jul 20   876.8   19 26 52   19 36  21 07   3 59  5 29   16 34  23 26    1 03  .....    25   3 41.3  23 40
 
 Sun Jul 20/Mon Jul 21   877.8   19 30 49   19 36  21 06   4 00  5 30   16 37  23 31    1 54  .....    15   4 43.2  26 33
 Mon Jul 21/Tue Jul 22   878.8   19 34 45   19 35  21 06   4 00  5 31   16 40  23 36    2 54  .....     8   5 47.0  27 39
 Tue Jul 22/Wed Jul 23   879.8   19 38 42   19 35  21 05   4 01  5 31   16 43  23 41    4 01  18 19     3   6 50.5  26 53
 Wed Jul 23/Thu Jul 24   880.8   19 42 38   19 34  21 04   4 02  5 32   16 46  23 46    5 10  19 12     0   7 51.3  24 23
 Thu Jul 24/Fri Jul 25   881.8   19 46 35   19 34  21 03   4 03  5 33   16 49  23 50    6 19  19 56     0   8 48.1  20 29
 Fri Jul 25/Sat Jul 26   882.8   19 50 31   19 33  21 02   4 04  5 33   16 52  23 55   .....  20 33     3   9 40.4  15 34
 Sat Jul 26/Sun Jul 27   883.8   19 54 28   19 32  21 01   4 05  5 34   16 55   0 00   .....  21 04     7  10 28.9  10 02
 
 Sun Jul 27/Mon Jul 28   884.8   19 58 24   19 32  21 00   4 06  5 35   16 58   0 05   .....  21 32    13  11 14.4   4 12
 Mon Jul 28/Tue Jul 29   885.8   20 02 21   19 31  20 59   4 07  5 35   17 01   0 10   .....  21 57    20  11 58.1 - 1 42
 Tue Jul 29/Wed Jul 30   886.8   20 06 18   19 30  20 58   4 08  5 36   17 04   0 15   .....  22 23    29  12 41.0 - 7 26
 Wed Jul 30/Thu Jul 31   887.8   20 10 14   19 29  20 57   4 09  5 37   17 07   0 20   .....  22 49    38  13 24.4 -12 52
 Thu Jul 31/Fri Aug 01   888.8   20 14 11   19 29  20 56   4 10  5 37   17 10   0 25   .....  23 17    47  14 09.1 -17 50
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Fri Aug 01/Sat Aug 02   889.8   20 18 07   19 28  20 55   4 11  5 38   17 13   0 30   .....  23 48    57  14 55.9 -22 08
 Sat Aug 02/Sun Aug 03   890.8   20 22 04   19 27  20 54   4 12  5 39   17 15   0 34   .....   0 24    66  15 45.6 -25 36
 
 Sun Aug 03/Mon Aug 04   891.8   20 26 00   19 26  20 53   4 13  5 39   17 18   0 39   .....   1 07    75  16 38.4 -28 01
 Mon Aug 04/Tue Aug 05   892.8   20 29 57   19 25  20 52   4 14  5 40   17 21   0 44   .....   1 56    83  17 33.9 -29 11
 Tue Aug 05/Wed Aug 06   893.8   20 33 53   19 24  20 50   4 15  5 41   17 24   0 49   .....   2 53    90  18 31.1 -28 54
 Wed Aug 06/Thu Aug 07   894.8   20 37 50   19 23  20 49   4 16  5 41   17 27   0 54   17 47   3 55    95  19 28.7 -27 06
 Thu Aug 07/Fri Aug 08   895.8   20 41 47   19 23  20 48   4 16  5 42   17 29   0 59   18 32   5 00    99  20 25.2 -23 51
 Fri Aug 08/Sat Aug 09   896.8   20 45 43   19 22  20 47   4 17  5 43   17 32   1 04   19 11   6 05   100  21 19.8 -19 16
 Sat Aug 09/Sun Aug 10   897.8   20 49 40   19 21  20 46   4 18  5 43   17 35   1 09   19 45  .....    99  22 12.3 -13 40
 
 Sun Aug 10/Mon Aug 11   898.8   20 53 36   19 20  20 44   4 19  5 44   17 37   1 14   20 16  .....    95  23 03.2 - 7 19
 Mon Aug 11/Tue Aug 12   899.8   20 57 33   19 19  20 43   4 20  5 45   17 40   1 18   20 46  .....    89  23 53.3 - 0 34
 Tue Aug 12/Wed Aug 13   900.8   21 01 29   19 18  20 42   4 21  5 45   17 43   1 23   21 16  .....    81   0 43.8   6 13
 Wed Aug 13/Thu Aug 14   901.8   21 05 26   19 17  20 40   4 22  5 46   17 45   1 28   21 47  .....    71   1 35.7  12 40
 Thu Aug 14/Fri Aug 15   902.8   21 09 22   19 16  20 39   4 23  5 47   17 48   1 33   22 21  .....    60   2 30.2  18 25
 Fri Aug 15/Sat Aug 16   903.8   21 13 19   19 15  20 38   4 24  5 47   17 51   1 38   23 02  .....    49   3 27.8  23 05
 Sat Aug 16/Sun Aug 17   904.8   21 17 16   19 13  20 36   4 25  5 48   17 53   1 43   23 49  .....    37   4 28.5  26 18
 
 Sun Aug 17/Mon Aug 18   905.8   21 21 12   19 12  20 35   4 26  5 49   17 56   1 48    0 45  .....    27   5 31.2  27 48
 Mon Aug 18/Tue Aug 19   906.8   21 25 09   19 11  20 34   4 27  5 49   17 58   1 52    1 48  .....    17   6 33.9  27 29
 Tue Aug 19/Wed Aug 20   907.8   21 29 05   19 10  20 32   4 27  5 50   18 01   1 57    2 55  .....    10   7 34.5  25 27
 Wed Aug 20/Thu Aug 21   908.8   21 33 02   19 09  20 31   4 28  5 50   18 04   2 02    4 03  17 52     4   8 31.5  21 57
 Thu Aug 21/Fri Aug 22   909.8   21 36 58   19 08  20 30   4 29  5 51   18 06   2 07    5 09  18 31     1   9 24.4  17 20
 Fri Aug 22/Sat Aug 23   910.8   21 40 55   19 07  20 28   4 30  5 52   18 09   2 12    6 12  19 03     0  10 13.5  11 59
 Sat Aug 23/Sun Aug 24   911.8   21 44 51   19 06  20 27   4 31  5 52   18 11   2 17   .....  19 32     1  10 59.6   6 13
 
 Sun Aug 24/Mon Aug 25   912.8   21 48 48   19 04  20 25   4 32  5 53   18 14   2 21   .....  19 58     4  11 43.8   0 18
 Mon Aug 25/Tue Aug 26   913.8   21 52 45   19 03  20 24   4 33  5 54   18 16   2 26   .....  20 24     9  12 26.9 - 5 32
 Tue Aug 26/Wed Aug 27   914.8   21 56 41   19 02  20 23   4 34  5 54   18 19   2 31   .....  20 49    15  13 10.1 -11 07
 Wed Aug 27/Thu Aug 28   915.8   22 00 38   19 01  20 21   4 34  5 55   18 21   2 36   .....  21 17    23  13 54.2 -16 15
 Thu Aug 28/Fri Aug 29   916.8   22 04 34   18 59  20 20   4 35  5 56   18 24   2 41   .....  21 47    31  14 40.1 -20 46
 Fri Aug 29/Sat Aug 30   917.8   22 08 31   18 58  20 18   4 36  5 56   18 26   2 45   .....  22 21    40  15 28.5 -24 30
 Sat Aug 30/Sun Aug 31   918.8   22 12 27   18 57  20 17   4 37  5 57   18 29   2 50   .....  23 00    50  16 19.6 -27 16
 
 Sun Aug 31/Mon Sep 01   919.8   22 16 24   18 56  20 15   4 38  5 57   18 31   2 55   .....  23 46    59  17 13.3 -28 52
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Mon Sep 01/Tue Sep 02   920.8   22 20 20   18 55  20 14   4 38  5 58   18 34   3 00   .....   0 39    69  18 09.1 -29 07
 Tue Sep 02/Wed Sep 03   921.8   22 24 17   18 53  20 13   4 39  5 59   18 36   3 04   .....   1 38    77  19 05.8 -27 55
 Wed Sep 03/Thu Sep 04   922.8   22 28 14   18 52  20 11   4 40  5 59   18 39   3 09   .....   2 41    86  20 02.2 -25 15
 Thu Sep 04/Fri Sep 05   923.8   22 32 10   18 51  20 10   4 41  6 00   18 41   3 14   17 05   3 47    92  20 57.3 -21 11
 Fri Sep 05/Sat Sep 06   924.8   22 36 07   18 49  20 08   4 42  6 01   18 44   3 19   17 42   4 53    97  21 50.9 -15 56
 Sat Sep 06/Sun Sep 07   925.8   22 40 03   18 48  20 07   4 42  6 01   18 46   3 23   18 15   6 00   100  22 43.0 - 9 44
 
 Sun Sep 07/Mon Sep 08   926.8   22 44 00   18 47  20 05   4 43  6 02   18 49   3 28   18 45   7 07   100  23 34.4 - 2 56
 Mon Sep 08/Tue Sep 09   927.8   22 47 56   18 45  20 04   4 44  6 02   18 51   3 33   19 16  .....    97   0 26.1   4 06
 Tue Sep 09/Wed Sep 10   928.8   22 51 53   18 44  20 02   4 45  6 03   18 54   3 37   19 47  .....    91   1 19.2  10 55
 Wed Sep 10/Thu Sep 11   929.8   22 55 49   18 43  20 01   4 45  6 04   18 56   3 42   20 21  .....    83   2 14.6  17 07
 Thu Sep 11/Fri Sep 12   930.8   22 59 46   18 42  20 00   4 46  6 04   18 59   3 47   21 00  .....    73   3 13.0  22 15
 Fri Sep 12/Sat Sep 13   931.8   23 03 43   18 40  19 58   4 47  6 05   19 01   3 51   21 46  .....    62   4 14.4  25 55
 Sat Sep 13/Sun Sep 14   932.8   23 07 39   18 39  19 57   4 48  6 05   19 04   3 56   22 40  .....    51   5 17.5  27 50
 
 Sun Sep 14/Mon Sep 15   933.8   23 11 36   18 38  19 55   4 48  6 06   19 06   4 01   23 41  .....    40   6 20.6  27 55
 Mon Sep 15/Tue Sep 16   934.8   23 15 32   18 36  19 54   4 49  6 07   19 09   4 05    0 47  .....    29   7 21.5  26 14
 Tue Sep 16/Wed Sep 17   935.8   23 19 29   18 35  19 52   4 50  6 07   19 11   4 10    1 54  .....    20   8 18.8  23 04
 Wed Sep 17/Thu Sep 18   936.8   23 23 25   18 34  19 51   4 50  6 08   19 14   4 15    2 59  .....    12   9 11.9  18 44
 Thu Sep 18/Fri Sep 19   937.8   23 27 22   18 32  19 50   4 51  6 08   19 16   4 19    4 02  17 05     6  10 01.2  13 37
 Fri Sep 19/Sat Sep 20   938.8   23 31 18   18 31  19 48   4 52  6 09   19 19   4 24    5 02  17 34     2  10 47.5   8 00
 Sat Sep 20/Sun Sep 21   939.8   23 35 15   18 30  19 47   4 53  6 10   19 21   4 29    5 59  18 01     0  11 31.6   2 09
 
 Sun Sep 21/Mon Sep 22   940.8   23 39 12   18 28  19 45   4 53  6 10   19 24   4 33    6 56  18 26     0  12 14.7 - 3 42
 Mon Sep 22/Tue Sep 23   941.8   23 43 08   18 27  19 44   4 54  6 11   19 26   4 38   .....  18 52     2  12 57.6 - 9 21
 Tue Sep 23/Wed Sep 24   942.8   23 47 05   18 26  19 43   4 55  6 12   19 29   4 43   .....  19 18     6  13 41.3 -14 37
 Wed Sep 24/Thu Sep 25   943.8   23 51 01   18 24  19 41   4 55  6 12   19 31   4 47   .....  19 47    11  14 26.5 -19 20
 Thu Sep 25/Fri Sep 26   944.8   23 54 58   18 23  19 40   4 56  6 13   19 34   4 52   .....  20 19    17  15 13.8 -23 18
 Fri Sep 26/Sat Sep 27   945.8   23 58 54   18 22  19 38   4 57  6 13   19 37   4 56   .....  20 56    25  16 03.6 -26 21
 Sat Sep 27/Sun Sep 28   946.8    0 02 51   18 20  19 37   4 57  6 14   19 39   5 01   .....  21 39    33  16 55.7 -28 18
 
 Sun Sep 28/Mon Sep 29   947.8    0 06 47   18 19  19 36   4 58  6 15   19 42   5 06   .....  22 29    43  17 49.8 -29 00
 Mon Sep 29/Tue Sep 30   948.8    0 10 44   18 18  19 34   4 59  6 15   19 44   5 10   .....  23 24    52  18 44.9 -28 20
 Tue Sep 30/Wed Oct 01   949.8    0 14 41   18 17  19 33   4 59  6 16   19 47   5 15   .....   0 25    62  19 40.0 -26 15
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Wed Oct 01/Thu Oct 02   950.8    0 18 37   18 15  19 32   5 00  6 17   19 50   5 20   .....   1 28    72  20 34.3 -22 50
 Thu Oct 02/Fri Oct 03   951.8    0 22 34   18 14  19 30   5 01  6 17   19 52   5 24   .....   2 33    81  21 27.4 -18 09
 Fri Oct 03/Sat Oct 04   952.8    0 26 30   18 13  19 29   5 01  6 18   19 55   5 29   .....   3 38    89  22 19.3 -12 26
 Sat Oct 04/Sun Oct 05   953.8    0 30 27   18 11  19 28   5 02  6 19   19 58   5 33   16 42   4 45    95  23 10.7 - 5 54
 
 Sun Oct 05/Mon Oct 06   954.8    0 34 23   18 10  19 27   5 03  6 19   20 00   5 38   17 12   5 52    99   0 02.6   1 07
 Mon Oct 06/Tue Oct 07   955.8    0 38 20   18 09  19 25   5 03  6 20   20 03   5 43   17 44   7 03   100   0 55.9   8 12
 Tue Oct 07/Wed Oct 08   956.8    0 42 16   18 08  19 24   5 04  6 21   20 06   5 47   18 17  .....    98   1 51.9  14 54
 Wed Oct 08/Thu Oct 09   957.8    0 46 13   18 06  19 23   5 05  6 21   20 08   5 52   18 55  .....    93   2 51.3  20 40
 Thu Oct 09/Fri Oct 10   958.8    0 50 10   18 05  19 22   5 05  6 22   20 11   5 56   19 40  .....    86   3 54.1  25 02
 Fri Oct 10/Sat Oct 11   959.8    0 54 06   18 04  19 21   5 06  6 23   20 14   6 01   20 32  .....    76   4 59.4  27 35
 Sat Oct 11/Sun Oct 12   960.8    0 58 03   18 03  19 19   5 07  6 23   20 17   6 06   21 33  .....    66   6 04.7  28 10
 
 Sun Oct 12/Mon Oct 13   961.8    1 01 59   18 02  19 18   5 07  6 24   20 19   6 10   22 39  .....    54   7 07.8  26 51
 Mon Oct 13/Tue Oct 14   962.8    1 05 56   18 00  19 17   5 08  6 25   20 22   6 15   23 46  .....    43   8 06.8  23 57
 Tue Oct 14/Wed Oct 15   963.8    1 09 52   17 59  19 16   5 09  6 26   20 25   6 19    0 52  .....    33   9 01.2  19 50
 Wed Oct 15/Thu Oct 16   964.8    1 13 49   17 58  19 15   5 09  6 26   20 28   6 24    1 55  .....    24   9 51.1  14 52
 Thu Oct 16/Fri Oct 17   965.8    1 17 45   17 57  19 14   5 10  6 27   20 31   6 29    2 55  .....    16  10 37.7   9 23
 Fri Oct 17/Sat Oct 18   966.8    1 21 42   17 56  19 13   5 11  6 28   20 34   6 33    3 53  .....     9  11 21.8   3 37
 Sat Oct 18/Sun Oct 19   967.8    1 25 39   17 55  19 12   5 11  6 28   20 36   6 38    4 49  16 30     4  12 04.7 - 2 10
 
 Sun Oct 19/Mon Oct 20   968.8    1 29 35   17 54  19 11   5 12  6 29   20 39   6 43    5 44  16 55     1  12 47.3 - 7 49
 Mon Oct 20/Tue Oct 21   969.8    1 33 32   17 53  19 10   5 13  6 30   20 42   6 47    6 40  17 21     0  13 30.5 -13 09
 Tue Oct 21/Wed Oct 22   970.8    1 37 28   17 51  19 09   5 14  6 31   20 45   6 52    7 37  17 49     1  14 15.1 -17 59
 Wed Oct 22/Thu Oct 23   971.8    1 41 25   17 50  19 08   5 14  6 31   20 48   6 57   .....  18 20     3  15 01.7 -22 07
 Thu Oct 23/Fri Oct 24   972.8    1 45 21   17 49  19 07   5 15  6 32   20 51   7 01   .....  18 56     7  15 50.6 -25 24
 Fri Oct 24/Sat Oct 25   973.8    1 49 18   17 48  19 06   5 16  6 33   20 54   7 06   .....  19 36    12  16 41.8 -27 37
 Sat Oct 25/Sun Oct 26   974.8    1 53 14   17 47  19 05   5 16  6 34   20 57   7 10   .....  20 23    19  17 34.8 -28 38
 
 Sun Oct 26/Mon Oct 27   975.8    1 57 11   17 46  19 04   5 17  6 35   21 00   7 15   .....  21 16    27  18 28.7 -28 21
 Mon Oct 27/Tue Oct 28   976.8    2 01 08   17 45  19 03   5 18  6 35   21 03   7 20   .....  22 13    36  19 22.5 -26 44
 Tue Oct 28/Wed Oct 29   977.8    2 05 04   17 45  19 02   5 18  6 36   21 06   7 24   .....  23 14    45  20 15.5 -23 50
 Wed Oct 29/Thu Oct 30   978.8    2 09 01   17 44  19 01   5 19  6 37   21 09   7 29   .....   0 16    55  21 07.2 -19 44
 Thu Oct 30/Fri Oct 31   979.8    2 12 57   17 43  19 00   5 20  6 38   21 13   7 34   .....   1 19    66  21 57.7 -14 36
 Fri Oct 31/Sat Nov 01   980.8    2 16 54   17 42  19 00   5 21  6 39   21 16   7 38   .....   2 23    76  22 47.5 - 8 35
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Sat Nov 01/Sun Nov 02   981.8    2 20 50   17 41  18 59   5 21  6 39   21 19   7 43   .....   3 29    85  23 37.8 - 1 57
 
 Sun Nov 02/Mon Nov 03   982.8    2 24 47   17 40  18 58   5 22  6 40   21 22   7 48   .....   4 36    92   0 29.4   5 00
 Mon Nov 03/Tue Nov 04   983.8    2 28 43   17 39  18 57   5 23  6 41   21 25   7 52   16 10   5 48    97   1 23.9  11 53
 Tue Nov 04/Wed Nov 05   984.8    2 32 40   17 38  18 57   5 23  6 42   21 29   7 57   16 46   7 03   100   2 22.3  18 11
 Wed Nov 05/Thu Nov 06   985.8    2 36 37   17 38  18 56   5 24  6 43   21 32   8 02   17 28  .....    99   3 25.1  23 20
 Thu Nov 06/Fri Nov 07   986.8    2 40 33   17 37  18 55   5 25  6 44   21 35   8 06   18 18  .....    95   4 31.7  26 47
 Fri Nov 07/Sat Nov 08   987.8    2 44 30   17 36  18 55   5 26  6 44   21 39   8 11   19 18  .....    88   5 40.1  28 11
 Sat Nov 08/Sun Nov 09   988.8    2 48 26   17 36  18 54   5 26  6 45   21 42   8 16   20 24  .....    80   6 46.9  27 28
 
 Sun Nov 09/Mon Nov 10   989.8    2 52 23   17 35  18 54   5 27  6 46   21 45   8 20   21 34  .....    70   7 49.7  24 55
 Mon Nov 10/Tue Nov 11   990.8    2 56 19   17 34  18 53   5 28  6 47   21 49   8 25   22 43  .....    59   8 47.2  20 58
 Tue Nov 11/Wed Nov 12   991.8    3 00 16   17 34  18 53   5 29  6 48   21 52   8 30   23 48  .....    49   9 39.4  16 04
 Wed Nov 12/Thu Nov 13   992.8    3 04 12   17 33  18 52   5 29  6 49   21 56   8 35    0 50  .....    38  10 27.4  10 36
 Thu Nov 13/Fri Nov 14   993.8    3 08 09   17 32  18 52   5 30  6 50   21 59   8 39    1 48  .....    29  11 12.4   4 51
 Fri Nov 14/Sat Nov 15   994.8    3 12 05   17 32  18 51   5 31  6 51   22 03   8 44    2 44  .....    20  11 55.5 - 0 56
 Sat Nov 15/Sun Nov 16   995.8    3 16 02   17 31  18 51   5 32  6 51   22 06   8 49    3 39  .....    13  12 38.0 - 6 35
 
 Sun Nov 16/Mon Nov 17   996.8    3 19 59   17 31  18 51   5 32  6 52   22 10   8 53    4 35  .....     8  13 20.9 -11 57
 Mon Nov 17/Tue Nov 18   997.8    3 23 55   17 30  18 50   5 33  6 53   22 13   8 58    5 31  15 52     4  14 05.0 -16 51
 Tue Nov 18/Wed Nov 19   998.8    3 27 52   17 30  18 50   5 34  6 54   22 17   9 03    6 28  16 22     1  14 51.1 -21 07
 Wed Nov 19/Thu Nov 20   999.8    3 31 48   17 29  18 50   5 35  6 55   22 21   9 07    7 26  16 56     0  15 39.5 -24 33
 Thu Nov 20/Fri Nov 21  1000.8    3 35 45   17 29  18 49   5 35  6 56   22 24   9 12   .....  17 35     1  16 30.2 -26 59
 Fri Nov 21/Sat Nov 22  1001.8    3 39 41   17 29  18 49   5 36  6 57   22 28   9 17   .....  18 20     4  17 22.7 -28 15
 Sat Nov 22/Sun Nov 23  1002.8    3 43 38   17 28  18 49   5 37  6 58   22 32   9 22   .....  19 11     8  18 16.2 -28 14
 
 Sun Nov 23/Mon Nov 24  1003.8    3 47 34   17 28  18 49   5 38  6 58   22 35   9 26   .....  20 07    14  19 09.6 -26 55
 Mon Nov 24/Tue Nov 25  1004.8    3 51 31   17 28  18 49   5 38  6 59   22 39   9 31   .....  21 07    21  20 01.9 -24 20
 Tue Nov 25/Wed Nov 26  1005.8    3 55 28   17 28  18 48   5 39  7 00   22 43   9 36   .....  22 07    29  20 52.7 -20 37
 Wed Nov 26/Thu Nov 27  1006.8    3 59 24   17 27  18 48   5 40  7 01   22 47   9 40   .....  23 08    39  21 41.9 -15 54
 Thu Nov 27/Fri Nov 28  1007.8    4 03 21   17 27  18 48   5 41  7 02   22 51   9 45   .....   0 10    49  22 30.1 -10 22
 Fri Nov 28/Sat Nov 29  1008.8    4 07 17   17 27  18 48   5 41  7 03   22 55   9 50   .....   1 12    60  23 18.1 - 4 12
 Sat Nov 29/Sun Nov 30  1009.8    4 11 14   17 27  18 48   5 42  7 03   22 59   9 54   .....   2 16    71   0 07.0   2 22
 
 Sun Nov 30/Mon Dec 01  1010.8    4 15 10   17 27  18 48   5 43  7 04   23 02   9 59   .....   3 23    80   0 58.2   9 03
 
                                            ***** 2025 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: --------------
   (2025 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Mon Dec 01/Tue Dec 02  1011.8    4 19 07   17 27  18 48   5 44  7 05   23 06  10 04   .....   4 34    89   1 53.2  15 28
 Tue Dec 02/Wed Dec 03  1012.8    4 23 03   17 27  18 48   5 44  7 06   23 10  10 08   .....   5 49    95   2 52.9  21 06
 Wed Dec 03/Thu Dec 04  1013.8    4 27 00   17 27  18 48   5 45  7 07   23 14  10 13   16 01   7 06    99   3 57.8  25 23
 Thu Dec 04/Fri Dec 05  1014.8    4 30 57   17 27  18 48   5 46  7 07   23 19  10 18   16 56   8 20   100   5 06.5  27 47
 Fri Dec 05/Sat Dec 06  1015.8    4 34 53   17 27  18 49   5 46  7 08   23 23  10 22   18 01  .....    97   6 16.1  28 00
 Sat Dec 06/Sun Dec 07  1016.8    4 38 50   17 27  18 49   5 47  7 09   23 27  10 27   19 12  .....    92   7 23.2  26 06
 
 Sun Dec 07/Mon Dec 08  1017.8    4 42 46   17 27  18 49   5 48  7 10   23 31  10 32   20 24  .....    84   8 25.3  22 30
 Mon Dec 08/Tue Dec 09  1018.8    4 46 43   17 27  18 49   5 48  7 10   23 35  10 36   21 34  .....    75   9 21.5  17 41
 Tue Dec 09/Wed Dec 10  1019.8    4 50 39   17 27  18 49   5 49  7 11   23 39  10 41   22 39  .....    65  10 12.6  12 09
 Wed Dec 10/Thu Dec 11  1020.8    4 54 36   17 28  18 50   5 50  7 12   23 43  10 45   23 40  .....    55  10 59.7   6 18
 Thu Dec 11/Fri Dec 12  1021.8    4 58 32   17 28  18 50   5 50  7 13   23 48  10 50    0 38  .....    45  11 44.3   0 23
 Fri Dec 12/Sat Dec 13  1022.8    5 02 29   17 28  18 50   5 51  7 13   23 52  10 54    1 34  .....    35  12 27.5 - 5 24
 Sat Dec 13/Sun Dec 14  1023.8    5 06 26   17 28  18 51   5 52  7 14   23 56  10 59    2 29  .....    27  13 10.6 -10 52
 
 Sun Dec 14/Mon Dec 15  1024.8    5 10 22   17 29  18 51   5 52  7 15    0 00  11 04    3 25  .....    19  13 54.6 -15 52
 Mon Dec 15/Tue Dec 16  1025.8    5 14 19   17 29  18 51   5 53  7 15    0 05  11 08    4 22  .....    12  14 40.2 -20 16
 Tue Dec 16/Wed Dec 17  1026.8    5 18 15   17 29  18 52   5 53  7 16    0 09  11 13    5 19  .....     7  15 28.1 -23 52
 Wed Dec 17/Thu Dec 18  1027.8    5 22 12   17 30  18 52   5 54  7 16    0 13  11 17    6 17  .....     3  16 18.4 -26 30
 Thu Dec 18/Fri Dec 19  1028.8    5 26 08   17 30  18 53   5 54  7 17    0 18  11 22    7 12  16 17     1  17 10.7 -27 59
 Fri Dec 19/Sat Dec 20  1029.8    5 30 05   17 31  18 53   5 55  7 17    0 22  11 26    8 04  17 07     0  18 04.3 -28 13
 Sat Dec 20/Sun Dec 21  1030.8    5 34 01   17 31  18 53   5 56  7 18    0 27  11 31   .....  18 02     1  18 58.0 -27 08
 
 Sun Dec 21/Mon Dec 22  1031.8    5 37 58   17 32  18 54   5 56  7 18    0 31  11 35   .....  19 01     5  19 50.7 -24 46
 Mon Dec 22/Tue Dec 23  1032.8    5 41 55   17 32  18 54   5 56  7 19    0 36  11 39   .....  20 02     9  20 41.7 -21 15
 Tue Dec 23/Wed Dec 24  1033.8    5 45 51   17 33  18 55   5 57  7 19    0 40  11 44   .....  21 02    16  21 30.8 -16 45
 Wed Dec 24/Thu Dec 25  1034.8    5 49 48   17 33  18 56   5 57  7 20    0 45  11 48   .....  22 03    24  22 18.3 -11 27
 Thu Dec 25/Fri Dec 26  1035.8    5 53 44   17 34  18 56   5 58  7 20    0 49  11 53   .....  23 04    33  23 05.1 - 5 33
 Fri Dec 26/Sat Dec 27  1036.8    5 57 41   17 34  18 57   5 58  7 20    0 54  11 57   .....   0 05    44  23 52.1   0 43
 Sat Dec 27/Sun Dec 28  1037.8    6 01 37   17 35  18 57   5 59  7 21    0 58  12 01   .....   1 08    55   0 40.5   7 08
 
 Sun Dec 28/Mon Dec 29  1038.8    6 05 34   17 36  18 58   5 59  7 21    1 03  12 05   .....   2 15    66   1 31.8  13 23
 Mon Dec 29/Tue Dec 30  1039.8    6 09 30   17 36  18 59   5 59  7 21    1 07  12 10   .....   3 26    76   2 27.3  19 06
 Tue Dec 30/Wed Dec 31  1040.8    6 13 27   17 37  18 59   6 00  7 22    1 12  12 14   .....   4 40    86   3 27.8  23 49
 Wed Dec 31/Thu Jan 01  1041.8    6 17 24   17 38  19 00   6 00  7 22    1 16  12 18   .....   5 54    93   4 33.3  26 59