2031

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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Wed Jan 01/Thu Jan 02  2868.8    6 20 30   17 38  19 00   6 00  7 22    1 20  12 22   .....   2 19    66   1 49.5  14 24
 Thu Jan 02/Fri Jan 03  2869.8    6 24 27   17 39  19 01   6 00  7 22    1 25  12 26   .....   3 15    75   2 38.5  17 32
 Fri Jan 03/Sat Jan 04  2870.8    6 28 23   17 40  19 02   6 01  7 22    1 29  12 30   .....   4 09    83   3 28.6  19 51
 Sat Jan 04/Sun Jan 05  2871.8    6 32 20   17 41  19 02   6 01  7 22    1 34  12 34   .....   5 01    89   4 19.5  21 16
 
 Sun Jan 05/Mon Jan 06  2872.8    6 36 16   17 41  19 03   6 01  7 23    1 39  12 38   .....   5 50    94   5 11.0  21 43
 Mon Jan 06/Tue Jan 07  2873.8    6 40 13   17 42  19 04   6 01  7 23    1 43  12 42   16 05   6 36    98   6 02.6  21 10
 Tue Jan 07/Wed Jan 08  2874.8    6 44 10   17 43  19 05   6 01  7 23    1 48  12 46   16 58   7 18   100   6 53.6  19 38
 Wed Jan 08/Thu Jan 09  2875.8    6 48 06   17 44  19 05   6 01  7 23    1 53  12 50   17 52   7 57   100   7 43.8  17 12
 Thu Jan 09/Fri Jan 10  2876.8    6 52 03   17 45  19 06   6 01  7 23    1 57  12 54   18 47  .....    98   8 32.8  14 00
 Fri Jan 10/Sat Jan 11  2877.8    6 55 59   17 45  19 07   6 01  7 23    2 02  12 58   19 43  .....    94   9 20.8  10 09
 Sat Jan 11/Sun Jan 12  2878.8    6 59 56   17 46  19 08   6 01  7 23    2 07  13 02   20 38  .....    88  10 08.0   5 49
 
 Sun Jan 12/Mon Jan 13  2879.8    7 03 52   17 47  19 08   6 01  7 22    2 11  13 06   21 35  .....    81  10 55.1   1 11
 Mon Jan 13/Tue Jan 14  2880.8    7 07 49   17 48  19 09   6 01  7 22    2 16  13 10   22 32  .....    72  11 42.8 - 3 34
 Tue Jan 14/Wed Jan 15  2881.8    7 11 45   17 49  19 10   6 01  7 22    2 21  13 14   23 31  .....    62  12 31.7 - 8 16
 Wed Jan 15/Thu Jan 16  2882.8    7 15 42   17 50  19 11   6 01  7 22    2 26  13 18    0 32  .....    52  13 22.8 -12 40
 Thu Jan 16/Fri Jan 17  2883.8    7 19 39   17 51  19 11   6 01  7 22    2 30  13 22    1 35  .....    41  14 16.8 -16 32
 Fri Jan 17/Sat Jan 18  2884.8    7 23 35   17 52  19 12   6 01  7 21    2 35  13 26    2 40  .....    30  15 14.0 -19 34
 Sat Jan 18/Sun Jan 19  2885.8    7 27 32   17 52  19 13   6 01  7 21    2 40  13 29    3 46  .....    20  16 14.4 -21 29
 
 Sun Jan 19/Mon Jan 20  2886.8    7 31 28   17 53  19 14   6 01  7 21    2 44  13 33    4 49  .....    12  17 16.9 -22 03
 Mon Jan 20/Tue Jan 21  2887.8    7 35 25   17 54  19 15   6 00  7 21    2 49  13 37    5 48  .....     5  18 20.2 -21 07
 Tue Jan 21/Wed Jan 22  2888.8    7 39 21   17 55  19 15   6 00  7 20    2 54  13 40    6 41  16 38     1  19 22.5 -18 46
 Wed Jan 22/Thu Jan 23  2889.8    7 43 18   17 56  19 16   6 00  7 20    2 59  13 44    7 28  17 48     0  20 22.5 -15 12
 Thu Jan 23/Fri Jan 24  2890.8    7 47 14   17 57  19 17   6 00  7 19    3 03  13 48    8 09  18 58     2  21 19.5 -10 45
 Fri Jan 24/Sat Jan 25  2891.8    7 51 11   17 58  19 18   5 59  7 19    3 08  13 51   .....  20 05     6  22 13.8 - 5 48
 Sat Jan 25/Sun Jan 26  2892.8    7 55 08   17 59  19 18   5 59  7 18    3 13  13 55   .....  21 09    12  23 05.6 - 0 41
 
 Sun Jan 26/Mon Jan 27  2893.8    7 59 04   18 00  19 19   5 59  7 18    3 18  13 59   .....  22 11    20  23 55.9   4 17
 Mon Jan 27/Tue Jan 28  2894.8    8 03 01   18 01  19 20   5 58  7 17    3 22  14 02   .....  23 11    29   0 45.2   8 54
 Tue Jan 28/Wed Jan 29  2895.8    8 06 57   18 02  19 21   5 58  7 17    3 27  14 06   .....   0 10    39   1 34.3  12 58
 Wed Jan 29/Thu Jan 30  2896.8    8 10 54   18 02  19 22   5 57  7 16    3 32  14 09   .....   1 06    49   2 23.6  16 22
 Thu Jan 30/Fri Jan 31  2897.8    8 14 50   18 03  19 22   5 57  7 16    3 37  14 13   .....   2 02    59   3 13.6  18 58
 Fri Jan 31/Sat Feb 01  2898.8    8 18 47   18 04  19 23   5 56  7 15    3 41  14 16   .....   2 55    68   4 04.2  20 41
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Sat Feb 01/Sun Feb 02  2899.8    8 22 43   18 05  19 24   5 56  7 14    3 46  14 19   .....   3 45    76   4 55.3  21 27
 
 Sun Feb 02/Mon Feb 03  2900.8    8 26 40   18 06  19 25   5 55  7 14    3 51  14 23   .....   4 32    84   5 46.6  21 15
 Mon Feb 03/Tue Feb 04  2901.8    8 30 37   18 07  19 26   5 55  7 13    3 55  14 26   .....   5 16    90   6 37.7  20 03
 Tue Feb 04/Wed Feb 05  2902.8    8 34 33   18 08  19 26   5 54  7 12    4 00  14 29   .....   5 56    95   7 28.2  17 56
 Wed Feb 05/Thu Feb 06  2903.8    8 38 30   18 09  19 27   5 53  7 12    4 05  14 33   16 40   6 33    98   8 17.9  14 58
 Thu Feb 06/Fri Feb 07  2904.8    8 42 26   18 10  19 28   5 53  7 11    4 10  14 36   17 36   7 08   100   9 06.7  11 18
 Fri Feb 07/Sat Feb 08  2905.8    8 46 23   18 11  19 29   5 52  7 10    4 14  14 39   18 32   7 41    99   9 54.8   7 05
 Sat Feb 08/Sun Feb 09  2906.8    8 50 19   18 11  19 30   5 51  7 09    4 19  14 43   19 29  .....    97  10 42.7   2 29
 
 Sun Feb 09/Mon Feb 10  2907.8    8 54 16   18 12  19 30   5 51  7 08    4 24  14 46   20 27  .....    92  11 30.9 - 2 18
 Mon Feb 10/Tue Feb 11  2908.8    8 58 12   18 13  19 31   5 50  7 08    4 29  14 49   21 26  .....    85  12 20.1 - 7 03
 Tue Feb 11/Wed Feb 12  2909.8    9 02 09   18 14  19 32   5 49  7 07    4 33  14 52   22 26  .....    77  13 10.9 -11 33
 Wed Feb 12/Thu Feb 13  2910.8    9 06 06   18 15  19 33   5 48  7 06    4 38  14 55   23 28  .....    67  14 04.0 -15 32
 Thu Feb 13/Fri Feb 14  2911.8    9 10 02   18 16  19 33   5 47  7 05    4 43  14 58    0 31  .....    57  14 59.6 -18 45
 Fri Feb 14/Sat Feb 15  2912.8    9 13 59   18 17  19 34   5 47  7 04    4 47  15 01    1 34  .....    45  15 57.8 -20 58
 Sat Feb 15/Sun Feb 16  2913.8    9 17 55   18 17  19 35   5 46  7 03    4 52  15 05    2 36  .....    34  16 58.1 -21 56
 
 Sun Feb 16/Mon Feb 17  2914.8    9 21 52   18 18  19 36   5 45  7 02    4 57  15 08    3 35  .....    24  17 59.3 -21 31
 Mon Feb 17/Tue Feb 18  2915.8    9 25 48   18 19  19 36   5 44  7 01    5 02  15 11    4 28  .....    15  19 00.2 -19 45
 Tue Feb 18/Wed Feb 19  2916.8    9 29 45   18 20  19 37   5 43  7 00    5 06  15 14    5 17  .....     8  19 59.6 -16 44
 Wed Feb 19/Thu Feb 20  2917.8    9 33 41   18 21  19 38   5 42  6 59    5 11  15 17    6 00  16 35     3  20 56.8 -12 44
 Thu Feb 20/Fri Feb 21  2918.8    9 37 38   18 22  19 39   5 41  6 58    5 16  15 20    6 40  17 42     0  21 51.7 - 8 03
 Fri Feb 21/Sat Feb 22  2919.8    9 41 35   18 22  19 39   5 40  6 57    5 20  15 23    7 17  18 48     1  22 44.6 - 3 01
 Sat Feb 22/Sun Feb 23  2920.8    9 45 31   18 23  19 40   5 39  6 56    5 25  15 25   .....  19 52     3  23 35.9   2 02
 
 Sun Feb 23/Mon Feb 24  2921.8    9 49 28   18 24  19 41   5 38  6 55    5 30  15 28   .....  20 54     8   0 26.3   6 50
 Mon Feb 24/Tue Feb 25  2922.8    9 53 24   18 25  19 42   5 37  6 54    5 34  15 31   .....  21 54    15   1 16.3  11 11
 Tue Feb 25/Wed Feb 26  2923.8    9 57 21   18 26  19 42   5 36  6 53    5 39  15 34   .....  22 53    23   2 06.3  14 52
 Wed Feb 26/Thu Feb 27  2924.8   10 01 17   18 26  19 43   5 35  6 51    5 44  15 37   .....  23 50    32   2 56.7  17 47
 Thu Feb 27/Fri Feb 28  2925.8   10 05 14   18 27  19 44   5 34  6 50    5 48  15 40   .....   0 45    41   3 47.4  19 50
 Fri Feb 28/Sat Mar 01  2926.8   10 09 10   18 28  19 45   5 33  6 49    5 53  15 43   .....   1 37    50   4 38.5  20 56
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Sat Mar 01/Sun Mar 02  2927.8   10 13 07   18 29  19 45   5 31  6 48    5 58  15 45   .....   2 25    60   5 29.6  21 03
 
 Sun Mar 02/Mon Mar 03  2928.8   10 17 04   18 29  19 46   5 30  6 47    6 02  15 48   .....   3 10    69   6 20.5  20 13
 Mon Mar 03/Tue Mar 04  2929.8   10 21 00   18 30  19 47   5 29  6 46    6 07  15 51   .....   3 52    77   7 10.8  18 27
 Tue Mar 04/Wed Mar 05  2930.8   10 24 57   18 31  19 48   5 28  6 44    6 12  15 54   .....   4 30    85   8 00.4  15 50
 Wed Mar 05/Thu Mar 06  2931.8   10 28 53   18 32  19 48   5 27  6 43    6 17  15 57   .....   5 06    91   8 49.4  12 27
 Thu Mar 06/Fri Mar 07  2932.8   10 32 50   18 32  19 49   5 26  6 42    6 21  15 59   .....   5 40    96   9 38.0   8 26
 Fri Mar 07/Sat Mar 08  2933.8   10 36 46   18 33  19 50   5 24  6 41    6 26  16 02   17 19   6 13    99  10 26.5   3 56
 Sat Mar 08/Sun Mar 09  2934.8   10 40 43   18 34  19 51   5 23  6 40    6 31  16 05   18 18   6 47   100  11 15.4 - 0 50
 
 Sun Mar 09/Mon Mar 10  2935.8   10 44 39   18 35  19 51   5 22  6 38    6 35  16 07   19 17   7 21    98  12 05.4 - 5 40
 Mon Mar 10/Tue Mar 11  2936.8   10 48 36   18 35  19 52   5 21  6 37    6 40  16 10   20 18  .....    95  12 56.9 -10 20
 Tue Mar 11/Wed Mar 12  2937.8   10 52 33   18 36  19 53   5 19  6 36    6 45  16 13   21 20  .....    89  13 50.5 -14 32
 Wed Mar 12/Thu Mar 13  2938.8   10 56 29   18 37  19 53   5 18  6 35    6 49  16 15   22 24  .....    81  14 46.5 -17 59
 Thu Mar 13/Fri Mar 14  2939.8   11 00 26   18 38  19 54   5 17  6 33    6 54  16 18   23 28  .....    71  15 44.8 -20 27
 Fri Mar 14/Sat Mar 15  2940.8   11 04 22   18 38  19 55   5 15  6 32    6 59  16 21    0 30  .....    60  16 44.6 -21 42
 Sat Mar 15/Sun Mar 16  2941.8   11 08 19   18 39  19 56   5 14  6 31    7 03  16 23    1 28  .....    49  17 45.2 -21 37
 
 Sun Mar 16/Mon Mar 17  2942.8   11 12 15   18 40  19 56   5 13  6 30    7 08  16 26    2 22  .....    38  18 45.1 -20 13
 Mon Mar 17/Tue Mar 18  2943.8   11 16 12   18 40  19 57   5 11  6 28    7 13  16 29    3 11  .....    27  19 43.6 -17 36
 Tue Mar 18/Wed Mar 19  2944.8   11 20 08   18 41  19 58   5 10  6 27    7 17  16 31    3 55  .....    18  20 40.0 -14 00
 Wed Mar 19/Thu Mar 20  2945.8   11 24 05   18 42  19 59   5 09  6 26    7 22  16 34    4 35  .....    10  21 34.2 - 9 39
 Thu Mar 20/Fri Mar 21  2946.8   11 28 02   18 42  20 00   5 07  6 24    7 27  16 36    5 13  .....     4  22 26.6 - 4 52
 Fri Mar 21/Sat Mar 22  2947.8   11 31 58   18 43  20 00   5 06  6 23    7 32  16 39    5 49  17 35     1  23 17.7   0 05
 Sat Mar 22/Sun Mar 23  2948.8   11 35 55   18 44  20 01   5 05  6 22    7 36  16 41    6 24  18 37     0   0 08.0   4 55
 
 Sun Mar 23/Mon Mar 24  2949.8   11 39 51   18 45  20 02   5 03  6 21    7 41  16 44    7 00  19 38     1   0 58.0   9 23
 Mon Mar 24/Tue Mar 25  2950.8   11 43 48   18 45  20 03   5 02  6 19    7 46  16 47   .....  20 38     5   1 48.2  13 19
 Tue Mar 25/Wed Mar 26  2951.8   11 47 44   18 46  20 03   5 01  6 18    7 50  16 49   .....  21 37    10   2 38.8  16 31
 Wed Mar 26/Thu Mar 27  2952.8   11 51 41   18 47  20 04   4 59  6 17    7 55  16 52   .....  22 33    17   3 29.8  18 52
 Thu Mar 27/Fri Mar 28  2953.8   11 55 37   18 47  20 05   4 58  6 15    8 00  16 54   .....  23 27    25   4 21.1  20 17
 Fri Mar 28/Sat Mar 29  2954.8   11 59 34   18 48  20 06   4 56  6 14    8 05  16 57   .....   0 17    33   5 12.2  20 45
 Sat Mar 29/Sun Mar 30  2955.8   12 03 31   18 49  20 07   4 55  6 13    8 09  16 59   .....   1 04    42   6 03.0  20 14
 
 Sun Mar 30/Mon Mar 31  2956.8   12 07 27   18 49  20 07   4 54  6 12    8 14  17 02   .....   1 47    52   6 53.1  18 48
 Mon Mar 31/Tue Apr 01  2957.8   12 11 24   18 50  20 08   4 52  6 10    8 19  17 04   .....   2 26    61   7 42.4  16 31
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Tue Apr 01/Wed Apr 02  2958.8   12 15 20   18 51  20 09   4 51  6 09    8 24  17 07   .....   3 02    71   8 31.0  13 28
 Wed Apr 02/Thu Apr 03  2959.8   12 19 17   18 51  20 10   4 49  6 08    8 28  17 09   .....   3 37    79   9 19.1   9 45
 Thu Apr 03/Fri Apr 04  2960.8   12 23 13   18 52  20 11   4 48  6 07    8 33  17 12   .....   4 10    87  10 07.2   5 30
 Fri Apr 04/Sat Apr 05  2961.8   12 27 10   18 53  20 11   4 47  6 05    8 38  17 14   .....   4 44    93  10 55.8   0 52
 Sat Apr 05/Sun Apr 06  2962.8   12 31 06   18 53  20 12   4 45  6 04    8 43  17 17   17 03   5 18    97  11 45.7 - 3 58
 
 Sun Apr 06/Mon Apr 07  2963.8   12 35 03   18 54  20 13   4 44  6 03    8 48  17 20   18 04   5 55   100  12 37.4 - 8 45
 Mon Apr 07/Tue Apr 08  2964.8   12 39 00   18 55  20 14   4 42  6 02    8 52  17 22   19 07   6 35    99  13 31.4 -13 12
 Tue Apr 08/Wed Apr 09  2965.8   12 42 56   18 55  20 15   4 41  6 00    8 57  17 25   20 12  .....    97  14 28.3 -17 01
 Wed Apr 09/Thu Apr 10  2966.8   12 46 53   18 56  20 16   4 39  5 59    9 02  17 27   21 17  .....    91  15 27.7 -19 51
 Thu Apr 10/Fri Apr 11  2967.8   12 50 49   18 57  20 17   4 38  5 58    9 07  17 30   22 22  .....    84  16 28.9 -21 28
 Fri Apr 11/Sat Apr 12  2968.8   12 54 46   18 58  20 18   4 37  5 57    9 12  17 32   23 23  .....    74  17 30.8 -21 43
 Sat Apr 12/Sun Apr 13  2969.8   12 58 42   18 58  20 18   4 35  5 55    9 17  17 35    0 19  .....    64  18 31.9 -20 35
 
 Sun Apr 13/Mon Apr 14  2970.8   13 02 39   18 59  20 19   4 34  5 54    9 21  17 37    1 09  .....    52  19 31.1 -18 12
 Mon Apr 14/Tue Apr 15  2971.8   13 06 35   19 00  20 20   4 32  5 53    9 26  17 40    1 54  .....    41  20 27.8 -14 49
 Tue Apr 15/Wed Apr 16  2972.8   13 10 32   19 00  20 21   4 31  5 52    9 31  17 42    2 35  .....    30  21 21.9 -10 41
 Wed Apr 16/Thu Apr 17  2973.8   13 14 29   19 01  20 22   4 30  5 51    9 36  17 45    3 12  .....    21  22 13.8 - 6 05
 Thu Apr 17/Fri Apr 18  2974.8   13 18 25   19 02  20 23   4 28  5 50    9 41  17 47    3 47  .....    13  23 04.2 - 1 17
 Fri Apr 18/Sat Apr 19  2975.8   13 22 22   19 02  20 24   4 27  5 48    9 46  17 50    4 22  .....     6  23 53.7   3 29
 Sat Apr 19/Sun Apr 20  2976.8   13 26 18   19 03  20 25   4 26  5 47    9 51  17 53    4 58  17 26     2   0 43.0   7 59
 
 Sun Apr 20/Mon Apr 21  2977.8   13 30 15   19 04  20 26   4 24  5 46    9 55  17 55    5 35  18 26     0   1 32.6  12 01
 Mon Apr 21/Tue Apr 22  2978.8   13 34 11   19 05  20 27   4 23  5 45   10 00  17 58    6 14  19 24     0   2 22.7  15 24
 Tue Apr 22/Wed Apr 23  2979.8   13 38 08   19 05  20 28   4 22  5 44   10 05  18 00   .....  20 22     2   3 13.5  18 00
 Wed Apr 23/Thu Apr 24  2980.8   13 42 04   19 06  20 29   4 20  5 43   10 10  18 03   .....  21 17     6   4 04.6  19 43
 Thu Apr 24/Fri Apr 25  2981.8   13 46 01   19 07  20 30   4 19  5 42   10 15  18 06   .....  22 09    12   4 55.9  20 28
 Fri Apr 25/Sat Apr 26  2982.8   13 49 58   19 07  20 31   4 18  5 41   10 20  18 08   .....  22 57    19   5 46.7  20 15
 Sat Apr 26/Sun Apr 27  2983.8   13 53 54   19 08  20 32   4 16  5 40   10 25  18 11   .....  23 41    26   6 36.8  19 07
 
 Sun Apr 27/Mon Apr 28  2984.8   13 57 51   19 09  20 33   4 15  5 39   10 30  18 14   .....   0 22    35   7 25.8  17 07
 Mon Apr 28/Tue Apr 29  2985.8   14 01 47   19 09  20 33   4 14  5 38   10 35  18 16   .....   0 59    45   8 13.9  14 22
 Tue Apr 29/Wed Apr 30  2986.8   14 05 44   19 10  20 34   4 13  5 37   10 40  18 19   .....   1 34    54   9 01.3  10 56
 Wed Apr 30/Thu May 01  2987.8   14 09 40   19 11  20 35   4 11  5 36   10 45  18 22   .....   2 07    64   9 48.4   6 58
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Thu May 01/Fri May 02  2988.8   14 13 37   19 12  20 36   4 10  5 35   10 50  18 24   .....   2 40    73  10 35.8   2 34
 Fri May 02/Sat May 03  2989.8   14 17 33   19 12  20 37   4 09  5 34   10 54  18 27   .....   3 13    82  11 24.3 - 2 07
 Sat May 03/Sun May 04  2990.8   14 21 30   19 13  20 38   4 08  5 33   10 59  18 30   .....   3 49    90  12 14.6 - 6 53
 
 Sun May 04/Mon May 05  2991.8   14 25 27   19 14  20 39   4 06  5 32   11 04  18 33   .....   4 27    95  13 07.6 -11 29
 Mon May 05/Tue May 06  2992.8   14 29 23   19 15  20 40   4 05  5 31   11 09  18 35   17 53   5 10    99  14 03.8 -15 37
 Tue May 06/Wed May 07  2993.8   14 33 20   19 15  20 41   4 04  5 30   11 14  18 38   18 59   5 59   100  15 03.3 -18 56
 Wed May 07/Thu May 08  2994.8   14 37 16   19 16  20 42   4 03  5 30   11 19  18 41   20 06  .....    98  16 05.7 -21 06
 Thu May 08/Fri May 09  2995.8   14 41 13   19 17  20 43   4 02  5 29   11 24  18 44   21 11  .....    93  17 09.7 -21 51
 Fri May 09/Sat May 10  2996.8   14 45 09   19 17  20 44   4 01  5 28   11 29  18 47   22 11  .....    86  18 13.5 -21 06
 Sat May 10/Sun May 11  2997.8   14 49 06   19 18  20 45   4 00  5 27   11 34  18 50   23 05  .....    77  19 15.4 -18 59
 
 Sun May 11/Mon May 12  2998.8   14 53 02   19 19  20 46   3 59  5 26   11 39  18 52   23 53  .....    66  20 14.3 -15 44
 Mon May 12/Tue May 13  2999.8   14 56 59   19 20  20 47   3 58  5 26   11 44  18 55    0 35  .....    55  21 10.1 -11 40
 Tue May 13/Wed May 14  3000.8   15 00 56   19 20  20 48   3 57  5 25   11 49  18 58    1 13  .....    44  22 03.0 - 7 06
 Wed May 14/Thu May 15  3001.8   15 04 52   19 21  20 49   3 56  5 24   11 54  19 01    1 49  .....    33  22 53.7 - 2 19
 Thu May 15/Fri May 16  3002.8   15 08 49   19 22  20 50   3 55  5 24   11 59  19 04    2 24  .....    24  23 43.1   2 26
 Fri May 16/Sat May 17  3003.8   15 12 45   19 22  20 51   3 54  5 23   12 04  19 07    2 58  .....    15   0 31.9   6 57
 Sat May 17/Sun May 18  3004.8   15 16 42   19 23  20 52   3 53  5 22   12 09  19 10    3 34  .....     9   1 20.7  11 03
 
 Sun May 18/Mon May 19  3005.8   15 20 38   19 24  20 53   3 52  5 22   12 14  19 13    4 12  .....     4   2 10.1  14 33
 Mon May 19/Tue May 20  3006.8   15 24 35   19 24  20 54   3 51  5 21   12 18  19 16    4 52  18 13     1   3 00.1  17 20
 Tue May 20/Wed May 21  3007.8   15 28 31   19 25  20 55   3 50  5 21   12 23  19 20    5 36  19 09     0   3 50.8  19 16
 Wed May 21/Thu May 22  3008.8   15 32 28   19 26  20 56   3 50  5 20   12 28  19 23    6 23  20 02     1   4 41.8  20 16
 Thu May 22/Fri May 23  3009.8   15 36 25   19 26  20 57   3 49  5 20   12 33  19 26   .....  20 52     4   5 32.6  20 19
 Fri May 23/Sat May 24  3010.8   15 40 21   19 27  20 58   3 48  5 19   12 38  19 29   .....  21 38     8   6 22.7  19 26
 Sat May 24/Sun May 25  3011.8   15 44 18   19 28  20 59   3 47  5 19   12 43  19 32   .....  22 19    14   7 11.8  17 41
 
 Sun May 25/Mon May 26  3012.8   15 48 14   19 28  21 00   3 47  5 18   12 48  19 36   .....  22 58    21   7 59.8  15 10
 Mon May 26/Tue May 27  3013.8   15 52 11   19 29  21 01   3 46  5 18   12 52  19 39   .....  23 33    29   8 46.7  11 58
 Tue May 27/Wed May 28  3014.8   15 56 07   19 30  21 02   3 45  5 17   12 57  19 42   .....   0 06    38   9 33.0   8 14
 Wed May 28/Thu May 29  3015.8   16 00 04   19 30  21 02   3 45  5 17   13 02  19 46   .....   0 39    48  10 19.1   4 04
 Thu May 29/Fri May 30  3016.8   16 04 00   19 31  21 03   3 44  5 17   13 07  19 49   .....   1 11    58  11 05.8 - 0 24
 Fri May 30/Sat May 31  3017.8   16 07 57   19 32  21 04   3 44  5 16   13 12  19 52   .....   1 44    68  11 54.0 - 5 01
 Sat May 31/Sun Jun 01  3018.8   16 11 54   19 32  21 05   3 43  5 16   13 16  19 56   .....   2 20    77  12 44.4 - 9 36
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 
 Sun Jun 01/Mon Jun 02  3019.8   16 15 50   19 33  21 06   3 43  5 16   13 21  19 59   .....   3 00    86  13 38.1 -13 54
 Mon Jun 02/Tue Jun 03  3020.8   16 19 47   19 33  21 06   3 42  5 16   13 26  20 03   .....   3 45    93  14 35.5 -17 36
 Tue Jun 03/Wed Jun 04  3021.8   16 23 43   19 34  21 07   3 42  5 15   13 30  20 06   17 44   4 37    98  15 36.7 -20 20
 Wed Jun 04/Thu Jun 05  3022.8   16 27 40   19 34  21 08   3 42  5 15   13 35  20 10   18 51   5 36   100  16 41.0 -21 46
 Thu Jun 05/Fri Jun 06  3023.8   16 31 36   19 35  21 09   3 41  5 15   13 40  20 14   19 55  .....    99  17 46.6 -21 41
 Fri Jun 06/Sat Jun 07  3024.8   16 35 33   19 35  21 09   3 41  5 15   13 44  20 17   20 54  .....    95  18 51.6 -20 03
 Sat Jun 07/Sun Jun 08  3025.8   16 39 29   19 36  21 10   3 41  5 15   13 49  20 21   21 46  .....    88  19 54.0 -17 05
 
 Sun Jun 08/Mon Jun 09  3026.8   16 43 26   19 36  21 11   3 41  5 15   13 53  20 25   22 32  .....    79  20 53.1 -13 06
 Mon Jun 09/Tue Jun 10  3027.8   16 47 23   19 37  21 11   3 40  5 15   13 58  20 28   23 13  .....    69  21 48.7 - 8 29
 Tue Jun 10/Wed Jun 11  3028.8   16 51 19   19 37  21 12   3 40  5 15   14 03  20 32   23 50  .....    58  22 41.5 - 3 35
 Wed Jun 11/Thu Jun 12  3029.8   16 55 16   19 38  21 12   3 40  5 15   14 07  20 36    0 26  .....    47  23 32.2   1 18
 Thu Jun 12/Fri Jun 13  3030.8   16 59 12   19 38  21 13   3 40  5 15   14 11  20 40    1 01  .....    37   0 21.6   5 57
 Fri Jun 13/Sat Jun 14  3031.8   17 03 09   19 38  21 13   3 40  5 15   14 16  20 44    1 36  .....    27   1 10.6  10 10
 Sat Jun 14/Sun Jun 15  3032.8   17 07 05   19 39  21 14   3 40  5 15   14 20  20 48    2 12  .....    19   1 59.7  13 49
 
 Sun Jun 15/Mon Jun 16  3033.8   17 11 02   19 39  21 14   3 40  5 15   14 25  20 52    2 52  .....    12   2 49.3  16 45
 Mon Jun 16/Tue Jun 17  3034.8   17 14 58   19 39  21 14   3 40  5 15   14 29  20 56    3 34  .....     6   3 39.5  18 52
 Tue Jun 17/Wed Jun 18  3035.8   17 18 55   19 40  21 15   3 40  5 15   14 33  21 00    4 19  17 57     2   4 30.1  20 06
 Wed Jun 18/Thu Jun 19  3036.8   17 22 52   19 40  21 15   3 40  5 15   14 37  21 04    5 08  18 48     0   5 20.7  20 23
 Thu Jun 19/Fri Jun 20  3037.8   17 26 48   19 40  21 15   3 41  5 16   14 42  21 08    5 59  19 35     0   6 10.9  19 44
 Fri Jun 20/Sat Jun 21  3038.8   17 30 45   19 40  21 16   3 41  5 16   14 46  21 12   .....  20 18     2   7 00.1  18 13
 Sat Jun 21/Sun Jun 22  3039.8   17 34 41   19 41  21 16   3 41  5 16   14 50  21 16   .....  20 58     5   7 48.2  15 53
 
 Sun Jun 22/Mon Jun 23  3040.8   17 38 38   19 41  21 16   3 41  5 16   14 54  21 20   .....  21 34    10   8 35.2  12 53
 Mon Jun 23/Tue Jun 24  3041.8   17 42 34   19 41  21 16   3 41  5 17   14 58  21 25   .....  22 08    16   9 21.2   9 20
 Tue Jun 24/Wed Jun 25  3042.8   17 46 31   19 41  21 16   3 42  5 17   15 02  21 29   .....  22 40    24  10 06.6   5 20
 Wed Jun 25/Thu Jun 26  3043.8   17 50 27   19 41  21 16   3 42  5 17   15 06  21 33   .....  23 12    33  10 52.2   1 03
 Thu Jun 26/Fri Jun 27  3044.8   17 54 24   19 41  21 16   3 43  5 17   15 10  21 38   .....  23 44    42  11 38.5 - 3 25
 Fri Jun 27/Sat Jun 28  3045.8   17 58 21   19 42  21 16   3 43  5 18   15 14  21 42   .....   0 17    52  12 26.6 - 7 54
 Sat Jun 28/Sun Jun 29  3046.8   18 02 17   19 42  21 16   3 43  5 18   15 18  21 46   .....   0 54    63  13 17.2 -12 11
 
 Sun Jun 29/Mon Jun 30  3047.8   18 06 14   19 42  21 16   3 44  5 19   15 22  21 51   .....   1 35    73  14 11.2 -16 03
 Mon Jun 30/Tue Jul 01  3048.8   18 10 10   19 42  21 16   3 44  5 19   15 26  21 55   .....   2 22    83  15 09.1 -19 10
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Tue Jul 01/Wed Jul 02  3049.8   18 14 07   19 42  21 16   3 45  5 19   15 30  22 00   .....   3 16    91  16 10.8 -21 13
 Wed Jul 02/Thu Jul 03  3050.8   18 18 03   19 42  21 16   3 46  5 20   15 33  22 04   17 34   4 18    97  17 15.4 -21 53
 Thu Jul 03/Fri Jul 04  3051.8   18 22 00   19 41  21 16   3 46  5 20   15 37  22 09   18 36   5 25   100  18 21.2 -21 00
 Fri Jul 04/Sat Jul 05  3052.8   18 25 56   19 41  21 15   3 47  5 21   15 41  22 13   19 32  .....   100  19 26.0 -18 37
 Sat Jul 05/Sun Jul 06  3053.8   18 29 53   19 41  21 15   3 47  5 21   15 45  22 18   20 23  .....    96  20 28.4 -14 58
 
 Sun Jul 06/Mon Jul 07  3054.8   18 33 50   19 41  21 15   3 48  5 22   15 48  22 22   21 07  .....    90  21 27.5 -10 27
 Mon Jul 07/Tue Jul 08  3055.8   18 37 46   19 41  21 14   3 49  5 22   15 52  22 27   21 48  .....    82  22 23.4 - 5 27
 Tue Jul 08/Wed Jul 09  3056.8   18 41 43   19 41  21 14   3 49  5 23   15 55  22 32   22 25  .....    73  23 16.7 - 0 21
 Wed Jul 09/Thu Jul 10  3057.8   18 45 39   19 40  21 14   3 50  5 23   15 59  22 36   23 01  .....    62   0 08.1   4 33
 Thu Jul 10/Fri Jul 11  3058.8   18 49 36   19 40  21 13   3 51  5 24   16 02  22 41   23 37  .....    52   0 58.5   9 01
 Fri Jul 11/Sat Jul 12  3059.8   18 53 32   19 40  21 13   3 52  5 24   16 06  22 46    0 14  .....    41   1 48.5  12 54
 Sat Jul 12/Sun Jul 13  3060.8   18 57 29   19 40  21 12   3 52  5 25   16 09  22 51    0 52  .....    32   2 38.5  16 04
 
 Sun Jul 13/Mon Jul 14  3061.8   19 01 25   19 39  21 12   3 53  5 25   16 13  22 55    1 33  .....    23   3 28.8  18 24
 Mon Jul 14/Tue Jul 15  3062.8   19 05 22   19 39  21 11   3 54  5 26   16 16  23 00    2 17  .....    15   4 19.3  19 51
 Tue Jul 15/Wed Jul 16  3063.8   19 09 19   19 39  21 10   3 55  5 27   16 19  23 05    3 05  .....     9   5 09.9  20 22
 Wed Jul 16/Thu Jul 17  3064.8   19 13 15   19 38  21 10   3 56  5 27   16 22  23 10    3 55  17 33     5   6 00.0  19 58
 Thu Jul 17/Fri Jul 18  3065.8   19 17 12   19 38  21 09   3 57  5 28   16 26  23 14    4 47  18 17     2   6 49.4  18 39
 Fri Jul 18/Sat Jul 19  3066.8   19 21 08   19 37  21 08   3 57  5 28   16 29  23 19    5 40  18 58     0   7 37.8  16 33
 Sat Jul 19/Sun Jul 20  3067.8   19 25 05   19 37  21 08   3 58  5 29   16 32  23 24   .....  19 36     1   8 25.1  13 43
 
 Sun Jul 20/Mon Jul 21  3068.8   19 29 01   19 36  21 07   3 59  5 30   16 35  23 29   .....  20 10     3   9 11.3  10 18
 Mon Jul 21/Tue Jul 22  3069.8   19 32 58   19 36  21 06   4 00  5 30   16 38  23 34   .....  20 43     7   9 56.8   6 26
 Tue Jul 22/Wed Jul 23  3070.8   19 36 54   19 35  21 05   4 01  5 31   16 42  23 39   .....  21 15    12  10 42.0   2 15
 Wed Jul 23/Thu Jul 24  3071.8   19 40 51   19 34  21 04   4 02  5 32   16 45  23 43   .....  21 47    19  11 27.6 - 2 07
 Thu Jul 24/Fri Jul 25  3072.8   19 44 48   19 34  21 03   4 03  5 32   16 48  23 48   .....  22 19    28  12 14.3 - 6 30
 Fri Jul 25/Sat Jul 26  3073.8   19 48 44   19 33  21 02   4 04  5 33   16 51  23 53   .....  22 54    37  13 02.9 -10 44
 Sat Jul 26/Sun Jul 27  3074.8   19 52 41   19 33  21 02   4 05  5 34   16 54  23 58   .....  23 32    48  13 54.1 -14 37
 
 Sun Jul 27/Mon Jul 28  3075.8   19 56 37   19 32  21 01   4 06  5 34   16 57   0 03   .....   0 15    59  14 48.5 -17 54
 Mon Jul 28/Tue Jul 29  3076.8   20 00 34   19 31  21 00   4 07  5 35   17 00   0 08   .....   1 04    70  15 46.6 -20 19
 Tue Jul 29/Wed Jul 30  3077.8   20 04 30   19 30  20 59   4 07  5 36   17 03   0 13   .....   2 00    80  16 47.9 -21 34
 Wed Jul 30/Thu Jul 31  3078.8   20 08 27   19 30  20 58   4 08  5 36   17 06   0 18   .....   3 03    88  17 51.5 -21 25
 Thu Jul 31/Fri Aug 01  3079.8   20 12 23   19 29  20 57   4 09  5 37   17 08   0 22   .....   4 10    95  18 55.8 -19 47
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Fri Aug 01/Sat Aug 02  3080.8   20 16 20   19 28  20 55   4 10  5 38   17 11   0 27   18 09   5 21    99  19 59.1 -16 46
 Sat Aug 02/Sun Aug 03  3081.8   20 20 17   19 27  20 54   4 11  5 38   17 14   0 32   18 57   6 31   100  21 00.2 -12 38
 
 Sun Aug 03/Mon Aug 04  3082.8   20 24 13   19 27  20 53   4 12  5 39   17 17   0 37   19 40  .....    98  21 58.7 - 7 46
 Mon Aug 04/Tue Aug 05  3083.8   20 28 10   19 26  20 52   4 13  5 40   17 20   0 42   20 20  .....    93  22 54.7 - 2 34
 Tue Aug 05/Wed Aug 06  3084.8   20 32 06   19 25  20 51   4 14  5 40   17 22   0 47   20 58  .....    85  23 48.7   2 35
 Wed Aug 06/Thu Aug 07  3085.8   20 36 03   19 24  20 50   4 15  5 41   17 25   0 52   21 35  .....    77   0 41.2   7 23
 Thu Aug 07/Fri Aug 08  3086.8   20 39 59   19 23  20 49   4 16  5 42   17 28   0 57   22 12  .....    67   1 33.0  11 36
 Fri Aug 08/Sat Aug 09  3087.8   20 43 56   19 22  20 47   4 17  5 42   17 31   1 02   22 51  .....    57   2 24.4  15 05
 Sat Aug 09/Sun Aug 10  3088.8   20 47 52   19 21  20 46   4 18  5 43   17 33   1 07   23 32  .....    47   3 15.7  17 44
 
 Sun Aug 10/Mon Aug 11  3089.8   20 51 49   19 20  20 45   4 19  5 44   17 36   1 11    0 15  .....    37   4 06.9  19 27
 Mon Aug 11/Tue Aug 12  3090.8   20 55 46   19 19  20 44   4 20  5 44   17 39   1 16    1 02  .....    28   4 57.9  20 14
 Tue Aug 12/Wed Aug 13  3091.8   20 59 42   19 18  20 42   4 21  5 45   17 41   1 21    1 51  .....    20   5 48.4  20 04
 Wed Aug 13/Thu Aug 14  3092.8   21 03 39   19 17  20 41   4 22  5 46   17 44   1 26    2 42  .....    13   6 38.1  19 00
 Thu Aug 14/Fri Aug 15  3093.8   21 07 35   19 16  20 40   4 23  5 46   17 47   1 31    3 35  .....     8   7 26.8  17 06
 Fri Aug 15/Sat Aug 16  3094.8   21 11 32   19 15  20 38   4 23  5 47   17 49   1 36    4 29  17 36     3   8 14.5  14 29
 Sat Aug 16/Sun Aug 17  3095.8   21 15 28   19 14  20 37   4 24  5 48   17 52   1 41    5 23  18 12     1   9 01.1  11 13
 
 Sun Aug 17/Mon Aug 18  3096.8   21 19 25   19 13  20 36   4 25  5 48   17 55   1 45    6 17  18 45     0   9 47.0   7 28
 Mon Aug 18/Tue Aug 19  3097.8   21 23 21   19 12  20 34   4 26  5 49   17 57   1 50   .....  19 18     1  10 32.6   3 22
 Tue Aug 19/Wed Aug 20  3098.8   21 27 18   19 11  20 33   4 27  5 50   18 00   1 55   .....  19 50     4  11 18.3 - 0 57
 Wed Aug 20/Thu Aug 21  3099.8   21 31 15   19 10  20 32   4 28  5 50   18 02   2 00   .....  20 22     9  12 04.7 - 5 18
 Thu Aug 21/Fri Aug 22  3100.8   21 35 11   19 08  20 30   4 29  5 51   18 05   2 05   .....  20 57    16  12 52.6 - 9 32
 Fri Aug 22/Sat Aug 23  3101.8   21 39 08   19 07  20 29   4 30  5 51   18 07   2 10   .....  21 33    24  13 42.5 -13 26
 Sat Aug 23/Sun Aug 24  3102.8   21 43 04   19 06  20 28   4 31  5 52   18 10   2 14   .....  22 14    34  14 35.0 -16 48
 
 Sun Aug 24/Mon Aug 25  3103.8   21 47 01   19 05  20 26   4 31  5 53   18 13   2 19   .....  23 00    44  15 30.4 -19 23
 Mon Aug 25/Tue Aug 26  3104.8   21 50 57   19 04  20 25   4 32  5 53   18 15   2 24   .....  23 51    55  16 28.7 -20 57
 Tue Aug 26/Wed Aug 27  3105.8   21 54 54   19 02  20 23   4 33  5 54   18 18   2 29   .....   0 49    66  17 29.2 -21 17
 Wed Aug 27/Thu Aug 28  3106.8   21 58 50   19 01  20 22   4 34  5 55   18 20   2 34   .....   1 53    77  18 31.0 -20 17
 Thu Aug 28/Fri Aug 29  3107.8   22 02 47   19 00  20 20   4 35  5 55   18 23   2 38   .....   3 00    86  19 32.7 -17 56
 Fri Aug 29/Sat Aug 30  3108.8   22 06 44   18 59  20 19   4 36  5 56   18 25   2 43   .....   4 08    93  20 33.2 -14 23
 Sat Aug 30/Sun Aug 31  3109.8   22 10 40   18 58  20 18   4 37  5 57   18 28   2 48   17 30   5 17    98  21 32.1 - 9 56
 
 Sun Aug 31/Mon Sep 01  3110.8   22 14 37   18 56  20 16   4 37  5 57   18 30   2 53   18 12   6 24   100  22 29.1 - 4 55
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Mon Sep 01/Tue Sep 02  3111.8   22 18 33   18 55  20 15   4 38  5 58   18 33   2 57   18 51  .....    99  23 24.5   0 17
 Tue Sep 02/Wed Sep 03  3112.8   22 22 30   18 54  20 13   4 39  5 58   18 35   3 02   19 29  .....    95   0 18.7   5 19
 Wed Sep 03/Thu Sep 04  3113.8   22 26 26   18 53  20 12   4 40  5 59   18 38   3 07   20 08  .....    89   1 12.2   9 53
 Thu Sep 04/Fri Sep 05  3114.8   22 30 23   18 51  20 10   4 41  6 00   18 40   3 12   20 47  .....    81   2 05.3  13 45
 Fri Sep 05/Sat Sep 06  3115.8   22 34 19   18 50  20 09   4 41  6 00   18 43   3 16   21 28  .....    72   2 58.1  16 47
 Sat Sep 06/Sun Sep 07  3116.8   22 38 16   18 49  20 07   4 42  6 01   18 45   3 21   22 11  .....    63   3 50.7  18 51
 
 Sun Sep 07/Mon Sep 08  3117.8   22 42 13   18 47  20 06   4 43  6 01   18 48   3 26   22 57  .....    53   4 42.8  19 57
 Mon Sep 08/Tue Sep 09  3118.8   22 46 09   18 46  20 05   4 44  6 02   18 50   3 31   23 46  .....    43   5 34.2  20 05
 Tue Sep 09/Wed Sep 10  3119.8   22 50 06   18 45  20 03   4 44  6 03   18 53   3 35    0 36  .....    34   6 24.6  19 17
 Wed Sep 10/Thu Sep 11  3120.8   22 54 02   18 43  20 02   4 45  6 03   18 55   3 40    1 28  .....    26   7 13.8  17 37
 Thu Sep 11/Fri Sep 12  3121.8   22 57 59   18 42  20 00   4 46  6 04   18 58   3 45    2 22  .....    18   8 01.9  15 12
 Fri Sep 12/Sat Sep 13  3122.8   23 01 55   18 41  19 59   4 47  6 05   19 00   3 49    3 16  .....    11   8 48.9  12 08
 Sat Sep 13/Sun Sep 14  3123.8   23 05 52   18 40  19 57   4 47  6 05   19 03   3 54    4 10  .....     6   9 35.2   8 32
 
 Sun Sep 14/Mon Sep 15  3124.8   23 09 48   18 38  19 56   4 48  6 06   19 05   3 59    5 05  17 19     2  10 21.1   4 32
 Mon Sep 15/Tue Sep 16  3125.8   23 13 45   18 37  19 54   4 49  6 06   19 08   4 03    6 01  17 51     0  11 07.1   0 16
 Tue Sep 16/Wed Sep 17  3126.8   23 17 42   18 36  19 53   4 49  6 07   19 10   4 08    6 58  18 24     0  11 53.9 - 4 05
 Wed Sep 17/Thu Sep 18  3127.8   23 21 38   18 34  19 52   4 50  6 08   19 13   4 13   .....  18 58     2  12 42.0 - 8 22
 Thu Sep 18/Fri Sep 19  3128.8   23 25 35   18 33  19 50   4 51  6 08   19 15   4 17   .....  19 35     7  13 31.8 -12 21
 Fri Sep 19/Sat Sep 20  3129.8   23 29 31   18 32  19 49   4 52  6 09   19 18   4 22   .....  20 15    13  14 24.0 -15 50
 Sat Sep 20/Sun Sep 21  3130.8   23 33 28   18 30  19 47   4 52  6 09   19 20   4 27   .....  20 59    21  15 18.6 -18 33
 
 Sun Sep 21/Mon Sep 22  3131.8   23 37 24   18 29  19 46   4 53  6 10   19 23   4 31   .....  21 49    30  16 15.6 -20 20
 Mon Sep 22/Tue Sep 23  3132.8   23 41 21   18 28  19 45   4 54  6 11   19 25   4 36   .....  22 44    41  17 14.3 -20 57
 Tue Sep 23/Wed Sep 24  3133.8   23 45 17   18 26  19 43   4 54  6 11   19 28   4 40   .....  23 44    52  18 14.1 -20 19
 Wed Sep 24/Thu Sep 25  3134.8   23 49 14   18 25  19 42   4 55  6 12   19 30   4 45   .....   0 48    63  19 13.7 -18 26
 Thu Sep 25/Fri Sep 26  3135.8   23 53 11   18 24  19 40   4 56  6 13   19 33   4 50   .....   1 53    74  20 12.5 -15 24
 Fri Sep 26/Sat Sep 27  3136.8   23 57 07   18 22  19 39   4 56  6 13   19 35   4 54   .....   3 00    84  21 10.0 -11 25
 Sat Sep 27/Sun Sep 28  3137.8    0 01 04   18 21  19 38   4 57  6 14   19 38   4 59   .....   4 06    91  22 06.0 - 6 46
 
 Sun Sep 28/Mon Sep 29  3138.8    0 05 00   18 20  19 36   4 58  6 14   19 41   5 04   16 45   5 11    97  23 00.9 - 1 46
 Mon Sep 29/Tue Sep 30  3139.8    0 08 57   18 18  19 35   4 58  6 15   19 43   5 08   17 23   6 16   100  23 55.1   3 16
 Tue Sep 30/Wed Oct 01  3140.8    0 12 53   18 17  19 34   4 59  6 16   19 46   5 13   18 01   7 19   100   0 48.9   8 01
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Wed Oct 01/Thu Oct 02  3141.8    0 16 50   18 16  19 32   5 00  6 16   19 48   5 17   18 40  .....    97   1 42.7  12 13
 Thu Oct 02/Fri Oct 03  3142.8    0 20 46   18 15  19 31   5 00  6 17   19 51   5 22   19 21  .....    93   2 36.5  15 38
 Fri Oct 03/Sat Oct 04  3143.8    0 24 43   18 13  19 30   5 01  6 18   19 54   5 27   20 04  .....    86   3 30.4  18 07
 Sat Oct 04/Sun Oct 05  3144.8    0 28 40   18 12  19 28   5 02  6 18   19 56   5 31   20 50  .....    78   4 23.8  19 36
 
 Sun Oct 05/Mon Oct 06  3145.8    0 32 36   18 11  19 27   5 02  6 19   19 59   5 36   21 38  .....    70   5 16.6  20 03
 Mon Oct 06/Tue Oct 07  3146.8    0 36 33   18 09  19 26   5 03  6 20   20 02   5 40   22 28  .....    60   6 08.1  19 33
 Tue Oct 07/Wed Oct 08  3147.8    0 40 29   18 08  19 25   5 04  6 20   20 04   5 45   23 20  .....    51   6 58.3  18 09
 Wed Oct 08/Thu Oct 09  3148.8    0 44 26   18 07  19 23   5 04  6 21   20 07   5 50    0 13  .....    41   7 47.0  15 58
 Thu Oct 09/Fri Oct 10  3149.8    0 48 22   18 06  19 22   5 05  6 22   20 10   5 54    1 06  .....    32   8 34.4  13 06
 Fri Oct 10/Sat Oct 11  3150.8    0 52 19   18 05  19 21   5 06  6 22   20 13   5 59    2 00  .....    24   9 20.9   9 41
 Sat Oct 11/Sun Oct 12  3151.8    0 56 15   18 03  19 20   5 06  6 23   20 15   6 04    2 55  .....    16  10 06.8   5 49
 
 Sun Oct 12/Mon Oct 13  3152.8    1 00 12   18 02  19 19   5 07  6 24   20 18   6 08    3 50  .....    10  10 52.9   1 39
 Mon Oct 13/Tue Oct 14  3153.8    1 04 09   18 01  19 18   5 08  6 24   20 21   6 13    4 47  16 22     5  11 39.7 - 2 41
 Tue Oct 14/Wed Oct 15  3154.8    1 08 05   18 00  19 16   5 08  6 25   20 24   6 17    5 45  16 56     1  12 27.8 - 7 01
 Wed Oct 15/Thu Oct 16  3155.8    1 12 02   17 59  19 15   5 09  6 26   20 27   6 22    6 46  17 33     0  13 17.8 -11 07
 Thu Oct 16/Fri Oct 17  3156.8    1 15 58   17 57  19 14   5 10  6 27   20 29   6 27   .....  18 12     1  14 10.1 -14 47
 Fri Oct 17/Sat Oct 18  3157.8    1 19 55   17 56  19 13   5 10  6 27   20 32   6 31   .....  18 56     4  15 05.1 -17 45
 Sat Oct 18/Sun Oct 19  3158.8    1 23 51   17 55  19 12   5 11  6 28   20 35   6 36   .....  19 45    10  16 02.3 -19 46
 
 Sun Oct 19/Mon Oct 20  3159.8    1 27 48   17 54  19 11   5 12  6 29   20 38   6 41   .....  20 39    18  17 01.3 -20 39
 Mon Oct 20/Tue Oct 21  3160.8    1 31 44   17 53  19 10   5 13  6 30   20 41   6 45   .....  21 39    27  18 00.9 -20 18
 Tue Oct 21/Wed Oct 22  3161.8    1 35 41   17 52  19 09   5 13  6 30   20 44   6 50   .....  22 41    38  19 00.2 -18 41
 Wed Oct 22/Thu Oct 23  3162.8    1 39 38   17 51  19 08   5 14  6 31   20 47   6 54   .....  23 46    49  19 58.2 -15 58
 Thu Oct 23/Fri Oct 24  3163.8    1 43 34   17 50  19 07   5 15  6 32   20 50   6 59   .....   0 51    60  20 54.6 -12 18
 Fri Oct 24/Sat Oct 25  3164.8    1 47 31   17 49  19 06   5 15  6 33   20 53   7 04   .....   1 55    71  21 49.4 - 7 57
 Sat Oct 25/Sun Oct 26  3165.8    1 51 27   17 48  19 05   5 16  6 33   20 56   7 08   .....   2 59    81  22 42.9 - 3 12
 
 Sun Oct 26/Mon Oct 27  3166.8    1 55 24   17 47  19 04   5 17  6 34   20 59   7 13   .....   4 02    89  23 35.7   1 41
 Mon Oct 27/Tue Oct 28  3167.8    1 59 20   17 46  19 03   5 17  6 35   21 02   7 18   .....   5 04    95   0 28.3   6 26
 Tue Oct 28/Wed Oct 29  3168.8    2 03 17   17 45  19 02   5 18  6 36   21 05   7 22   16 35   6 06    99   1 21.3  10 46
 Wed Oct 29/Thu Oct 30  3169.8    2 07 13   17 44  19 02   5 19  6 37   21 08   7 27   17 14   7 06   100   2 14.8  14 27
 Thu Oct 30/Fri Oct 31  3170.8    2 11 10   17 43  19 01   5 20  6 37   21 11   7 32   17 56  .....    99   3 08.7  17 18
 Fri Oct 31/Sat Nov 01  3171.8    2 15 07   17 42  19 00   5 20  6 38   21 14   7 36   18 41  .....    96   4 02.9  19 10
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Sat Nov 01/Sun Nov 02  3172.8    2 19 03   17 41  18 59   5 21  6 39   21 18   7 41   19 29  .....    91   4 56.6  20 01
 
 Sun Nov 02/Mon Nov 03  3173.8    2 23 00   17 40  18 59   5 22  6 40   21 21   7 46   20 19  .....    84   5 49.4  19 51
 Mon Nov 03/Tue Nov 04  3174.8    2 26 56   17 40  18 58   5 22  6 41   21 24   7 50   21 11  .....    76   6 40.8  18 45
 Tue Nov 04/Wed Nov 05  3175.8    2 30 53   17 39  18 57   5 23  6 42   21 27   7 55   22 03  .....    68   7 30.5  16 48
 Wed Nov 05/Thu Nov 06  3176.8    2 34 49   17 38  18 56   5 24  6 42   21 30   8 00   22 56  .....    59   8 18.5  14 09
 Thu Nov 06/Fri Nov 07  3177.8    2 38 46   17 37  18 56   5 25  6 43   21 34   8 04   23 50  .....    49   9 05.3  10 54
 Fri Nov 07/Sat Nov 08  3178.8    2 42 42   17 37  18 55   5 25  6 44   21 37   8 09    0 43  .....    40   9 51.2   7 12
 Sat Nov 08/Sun Nov 09  3179.8    2 46 39   17 36  18 55   5 26  6 45   21 40   8 14    1 38  .....    31  10 36.8   3 10
 
 Sun Nov 09/Mon Nov 10  3180.8    2 50 36   17 35  18 54   5 27  6 46   21 44   8 18    2 33  .....    22  11 22.9 - 1 06
 Mon Nov 10/Tue Nov 11  3181.8    2 54 32   17 34  18 53   5 28  6 47   21 47   8 23    3 30  .....    14  12 10.3 - 5 25
 Tue Nov 11/Wed Nov 12  3182.8    2 58 29   17 34  18 53   5 28  6 48   21 51   8 28    4 29  .....     8  12 59.5 - 9 37
 Wed Nov 12/Thu Nov 13  3183.8    3 02 25   17 33  18 52   5 29  6 48   21 54   8 32    5 31  16 05     3  13 51.3 -13 28
 Thu Nov 13/Fri Nov 14  3184.8    3 06 22   17 33  18 52   5 30  6 49   21 57   8 37    6 35  16 48     0  14 46.0 -16 44
 Fri Nov 14/Sat Nov 15  3185.8    3 10 18   17 32  18 52   5 31  6 50   22 01   8 42    7 39  17 35     0  15 43.6 -19 08
 Sat Nov 15/Sun Nov 16  3186.8    3 14 15   17 32  18 51   5 31  6 51   22 04   8 46   .....  18 29     3  16 43.5 -20 25
 
 Sun Nov 16/Mon Nov 17  3187.8    3 18 11   17 31  18 51   5 32  6 52   22 08   8 51   .....  19 28     7  17 44.5 -20 24
 Mon Nov 17/Tue Nov 18  3188.8    3 22 08   17 31  18 50   5 33  6 53   22 12   8 56   .....  20 32    15  18 45.3 -19 06
 Tue Nov 18/Wed Nov 19  3189.8    3 26 05   17 30  18 50   5 34  6 54   22 15   9 01   .....  21 38    24  19 44.6 -16 35
 Wed Nov 19/Thu Nov 20  3190.8    3 30 01   17 30  18 50   5 34  6 54   22 19   9 05   .....  22 44    34  20 41.8 -13 06
 Thu Nov 20/Fri Nov 21  3191.8    3 33 58   17 29  18 49   5 35  6 55   22 23   9 10   .....  23 49    45  21 36.9 - 8 54
 Fri Nov 21/Sat Nov 22  3192.8    3 37 54   17 29  18 49   5 36  6 56   22 26   9 15   .....   0 52    57  22 30.0 - 4 16
 Sat Nov 22/Sun Nov 23  3193.8    3 41 51   17 29  18 49   5 37  6 57   22 30   9 19   .....   1 54    68  23 22.0   0 31
 
 Sun Nov 23/Mon Nov 24  3194.8    3 45 47   17 28  18 49   5 37  6 58   22 34   9 24   .....   2 56    77   0 13.4   5 13
 Mon Nov 24/Tue Nov 25  3195.8    3 49 44   17 28  18 49   5 38  6 59   22 37   9 29   .....   3 56    86   1 05.0   9 34
 Tue Nov 25/Wed Nov 26  3196.8    3 53 40   17 28  18 48   5 39  7 00   22 41   9 33   .....   4 56    92   1 57.1  13 24
 Wed Nov 26/Thu Nov 27  3197.8    3 57 37   17 27  18 48   5 40  7 01   22 45   9 38   15 52   5 55    97   2 50.0  16 30
 Thu Nov 27/Fri Nov 28  3198.8    4 01 34   17 27  18 48   5 40  7 01   22 49   9 43   16 35   6 51   100   3 43.5  18 42
 Fri Nov 28/Sat Nov 29  3199.8    4 05 30   17 27  18 48   5 41  7 02   22 53   9 48   17 21   7 45   100   4 37.2  19 55
 Sat Nov 29/Sun Nov 30  3200.8    4 09 27   17 27  18 48   5 42  7 03   22 57   9 52   18 10  .....    98   5 30.6  20 07
 
 Sun Nov 30/Mon Dec 01  3201.8    4 13 23   17 27  18 48   5 43  7 04   23 01   9 57   19 01  .....    95   6 22.8  19 20
 
                                            ***** 2031 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: --------------
   (2031 at start)    (-2460000)            set  twi.end twi.beg rise    eve    morn    rise   set  %illum   RA      Dec
 
 Mon Dec 01/Tue Dec 02  3202.8    4 17 20   17 27  18 48   5 43  7 05   23 05  10 02   19 54  .....    89   7 13.6  17 39
 Tue Dec 02/Wed Dec 03  3203.8    4 21 16   17 27  18 48   5 44  7 05   23 09  10 06   20 47  .....    83   8 02.6  15 13
 Wed Dec 03/Thu Dec 04  3204.8    4 25 13   17 27  18 48   5 45  7 06   23 13  10 11   21 41  .....    75   8 49.9  12 08
 Thu Dec 04/Fri Dec 05  3205.8    4 29 09   17 27  18 48   5 45  7 07   23 17  10 16   22 34  .....    67   9 36.1   8 35
 Fri Dec 05/Sat Dec 06  3206.8    4 33 06   17 27  18 48   5 46  7 08   23 21  10 20   23 27  .....    57  10 21.4   4 40
 Sat Dec 06/Sun Dec 07  3207.8    4 37 03   17 27  18 49   5 47  7 09   23 25  10 25    0 21  .....    48  11 06.8   0 31
 
 Sun Dec 07/Mon Dec 08  3208.8    4 40 59   17 27  18 49   5 47  7 09   23 29  10 29    1 16  .....    38  11 52.9 - 3 44
 Mon Dec 08/Tue Dec 09  3209.8    4 44 56   17 27  18 49   5 48  7 10   23 33  10 34    2 13  .....    29  12 40.5 - 7 56
 Tue Dec 09/Wed Dec 10  3210.8    4 48 52   17 27  18 49   5 49  7 11   23 37  10 39    3 12  .....    20  13 30.5 -11 55
 Wed Dec 10/Thu Dec 11  3211.8    4 52 49   17 27  18 49   5 49  7 12   23 41  10 43    4 14  .....    12  14 23.5 -15 26
 Thu Dec 11/Fri Dec 12  3212.8    4 56 45   17 28  18 50   5 50  7 12   23 46  10 48    5 18  .....     6  15 19.7 -18 13
 Fri Dec 12/Sat Dec 13  3213.8    5 00 42   17 28  18 50   5 51  7 13   23 50  10 52    6 22  16 13     2  16 19.1 -20 00
 Sat Dec 13/Sun Dec 14  3214.8    5 04 38   17 28  18 50   5 51  7 14   23 54  10 57    7 24  17 10     0  17 20.8 -20 33
 
 Sun Dec 14/Mon Dec 15  3215.8    5 08 35   17 28  18 51   5 52  7 14   23 58  11 02    8 22  18 14     1  18 23.3 -19 44
 Mon Dec 15/Tue Dec 16  3216.8    5 12 32   17 29  18 51   5 53  7 15    0 03  11 06   .....  19 21     5  19 25.0 -17 35
 Tue Dec 16/Wed Dec 17  3217.8    5 16 28   17 29  18 51   5 53  7 15    0 07  11 11   .....  20 30    12  20 24.7 -14 18
 Wed Dec 17/Thu Dec 18  3218.8    5 20 25   17 30  18 52   5 54  7 16    0 11  11 15   .....  21 37    20  21 22.0 -10 11
 Thu Dec 18/Fri Dec 19  3219.8    5 24 21   17 30  18 52   5 54  7 17    0 16  11 20   .....  22 44    30  22 16.8 - 5 33
 Fri Dec 19/Sat Dec 20  3220.8    5 28 18   17 30  18 53   5 55  7 17    0 20  11 24   .....  23 48    41  23 09.7 - 0 44
 Sat Dec 20/Sun Dec 21  3221.8    5 32 14   17 31  18 53   5 55  7 18    0 25  11 28   .....   0 50    52   0 01.4   4 02
 
 Sun Dec 21/Mon Dec 22  3222.8    5 36 11   17 31  18 54   5 56  7 18    0 29  11 33   .....   1 50    63   0 52.6   8 29
 Mon Dec 22/Tue Dec 23  3223.8    5 40 07   17 32  18 54   5 56  7 19    0 33  11 37   .....   2 50    73   1 43.9  12 25
 Tue Dec 23/Wed Dec 24  3224.8    5 44 04   17 32  18 55   5 57  7 19    0 38  11 42   .....   3 48    82   2 35.7  15 41
 Wed Dec 24/Thu Dec 25  3225.8    5 48 01   17 33  18 55   5 57  7 19    0 42  11 46   .....   4 45    89   3 28.2  18 07
 Thu Dec 25/Fri Dec 26  3226.8    5 51 57   17 34  18 56   5 58  7 20    0 47  11 51   .....   5 39    94   4 21.1  19 38
 Fri Dec 26/Sat Dec 27  3227.8    5 55 54   17 34  18 56   5 58  7 20    0 51  11 55   16 05   6 30    98   5 14.0  20 10
 Sat Dec 27/Sun Dec 28  3228.8    5 59 50   17 35  18 57   5 58  7 21    0 56  11 59   16 55   7 17   100   6 06.4  19 43
 
 Sun Dec 28/Mon Dec 29  3229.8    6 03 47   17 35  18 58   5 59  7 21    1 01  12 04   17 47   7 59   100   6 57.6  18 21
 Mon Dec 29/Tue Dec 30  3230.8    6 07 43   17 36  18 58   5 59  7 21    1 05  12 08   18 40  .....    98   7 47.4  16 09
 Tue Dec 30/Wed Dec 31  3231.8    6 11 40   17 37  18 59   5 59  7 22    1 10  12 12   19 33  .....    94   8 35.5  13 16
 Wed Dec 31/Thu Jan 01  3232.8    6 15 36   17 37  19 00   6 00  7 22    1 14  12 16   20 27  .....    88   9 22.3   9 51