View calendars 2000-2010 here.


                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON JAN 01  18 14  19 02  19 31         01 32  06 28  06 57  07 45  01 22  05 52  12 21  11.0  4.9  45 0105+0111
 TUE JAN 02  18 15  19 03  19 32         02 30  06 28  06 57  07 45  01 27  05 56  12 25  10.9  4.0  36 0152+0603
 WED JAN 03  18 16  19 03  19 33         03 31  06 28  06 58  07 45  01 32  06 00  12 29  10.9  3.0  27 0242+1047
 THU JAN 04  18 16  19 04  19 33         04 35  06 29  06 58  07 46  01 36  06 04  12 34  10.9  1.9  17 0336+1510
 FRI JAN 05  18 17  19 05  19 34         05 43  06 29  06 58  07 46  01 41  06 07  12 38  10.9  0.8   7 0434+1849
 SAT JAN 06  18 18  19 05  19 35  16 11  06 50  06 29  06 58  07 46  01 46  06 11  12 41  10.9  0.0   0 0535+2124
 SUN JAN 07  18 19  19 06  19 35  17 09  07 56  06 29  06 58  07 46  01 50  06 15  12 45  10.9  0.0   0 0640+2232
 MON JAN 08  18 19  19 07  19 36  18 14         06 29  06 59  07 46  01 55  06 19  12 49  10.9  0.0   0 0746+2202
 TUE JAN 09  18 20  19 08  19 37  19 24         06 29  06 59  07 46  02 00  06 23  12 53  10.9  0.0   0 0850+1955
 WED JAN 10  18 21  19 08  19 38  20 35         06 30  06 59  07 46  02 04  06 27  12 58  10.9  1.0   8 0952+1625
 THU JAN 11  18 22  19 09  19 38  21 44         06 30  06 59  07 46  02 08  06 31  13 02  10.9  2.1  19 1051+1157
 FRI JAN 12  18 23  19 10  19 39  22 50         06 30  06 59  07 46  02 13  06 35  13 06  10.9  3.2  29 1145+0654
 SAT JAN 13  18 23  19 11  19 40  23 53         06 30  06 59  07 46  02 18  06 39  13 10  10.8  4.2  38 1237+0137
 SUN JAN 14  18 24  19 11  19 40  00 54         06 30  06 59  07 46  02 22  06 43  13 14  10.8  5.2  48 1328-0333
 MON JAN 15  18 25  19 12  19 41  01 53         06 30  06 59  07 46  02 27  06 47  13 18  10.8  6.2  57 1417-0825
 TUE JAN 16  18 26  19 13  19 42  02 51         06 30  06 59  07 46  02 32  06 51  13 22  10.8  7.1  66 1506-1247
 WED JAN 17  18 27  19 14  19 43  03 47         06 29  06 58  07 45  02 37  06 55  13 25  10.8  8.1  74 1555-1630
 THU JAN 18  18 28  19 15  19 44  04 43         06 29  06 58  07 45  02 42  06 59  13 29  10.7  9.0  83 1645-1924
 FRI JAN 19  18 28  19 15  19 44  05 37         06 29  06 58  07 45  02 46  07 03  13 33  10.7  9.9  91 1736-2124
 SAT JAN 20  18 29  19 16  19 45  06 28  16 23  06 29  06 58  07 45  02 51  07 07  13 37  10.7 10.7  99 1828-2225
 SUN JAN 21  18 30  19 17  19 46  07 16  17 12  06 29  06 58  07 44  02 56  07 11  13 41  10.7 10.7 100 1919-2225
 MON JAN 22  18 31  19 18  19 47  08 00  18 03  06 29  06 57  07 44  03 01  07 14  13 45  10.7 10.7 100 2010-2125
 TUE JAN 23  18 32  19 19  19 47         18 56  06 28  06 57  07 44  03 05  07 18  13 47  10.7 10.7 100 2100-1928
 WED JAN 24  18 33  19 19  19 48         19 49  06 28  06 57  07 43  03 10  07 22  13 51  10.7 10.6  99 2148-1641
 THU JAN 25  18 34  19 20  19 49         20 43  06 28  06 57  07 43  03 15  07 26  13 55  10.6  9.7  91 2235-1312
 FRI JAN 26  18 35  19 21  19 50         21 37  06 28  06 56  07 42  03 20  07 30  13 59  10.6  8.8  83 2321-0911
 SAT JAN 27  18 35  19 22  19 50         22 31  06 27  06 56  07 42  03 24  07 34  14 02  10.6  7.9  74 0006-0445
 SUN JAN 28  18 36  19 23  19 51         23 25  06 27  06 55  07 41  03 28  07 38  14 06  10.6  7.0  66 0052-0005
 MON JAN 29  18 37  19 23  19 52         00 21  06 26  06 55  07 41  03 33  07 42  14 09  10.6  6.1  57 0138+0440
 TUE JAN 30  18 38  19 24  19 53         01 19  06 26  06 54  07 40  03 38  07 46  14 13  10.6  5.1  48 0226+0920
 WED JAN 31  18 39  19 25  19 53         02 19  06 26  06 54  07 40  03 42  07 50  14 17  10.6  4.1  39 0316+1343

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  JAN 02   22:36  UT
                AND FOLLOWING MORNING.             FULL MOON      JAN 09   20:27  UT
                All dates and times are zone CST   LAST QUARTER   JAN 16   12:37  UT
                in upper table (except sid time).  NEW MOON       JAN 24   13:09  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU FEB 01  18 40  19 26  19 54         03 22  06 25  06 53  07 39  03 47  07 54  14 20  10.5  3.0  29 0410+1733
 FRI FEB 02  18 41  19 26  19 55         04 28  06 25  06 53  07 39  03 52  07 58  14 24  10.5  1.9  18 0508+2031
 SAT FEB 03  18 41  19 27  19 56         05 33  06 24  06 52  07 38  03 57  08 02  14 27  10.5  0.8   8 0610+2216
 SUN FEB 04  18 42  19 28  19 56         06 36  06 23  06 52  07 37  04 01  08 06  14 30  10.5  0.0   0 0714+2232
 MON FEB 05  18 43  19 29  19 57  16 56  07 33  06 23  06 51  07 37  04 06  08 10  14 34  10.4  0.0   0 0819+2109
 TUE FEB 06  18 44  19 30  19 58  18 07         06 22  06 51  07 36  04 11  08 14  14 37  10.4  0.0   0 0923+1814
 WED FEB 07  18 45  19 30  19 59  19 19         06 22  06 50  07 35  04 16  08 18  14 41  10.4  0.0   0 1024+1404
 THU FEB 08  18 46  19 31  19 59  20 29         06 21  06 49  07 35  04 20  08 22  14 44  10.4  0.5   4 1122+0903
 FRI FEB 09  18 47  19 32  20 00  21 36         06 20  06 49  07 34  04 25  08 25  14 46  10.3  1.6  15 1217+0338
 SAT FEB 10  18 47  19 33  20 01  22 40         06 20  06 48  07 33  04 30  08 29  14 50  10.3  2.6  25 1310-0149
 SUN FEB 11  18 48  19 33  20 02  23 42         06 19  06 47  07 32  04 35  08 33  14 53  10.3  3.7  35 1401-0700
 MON FEB 12  18 49  19 34  20 02  00 42         06 18  06 46  07 31  04 39  08 37  14 56  10.3  4.7  45 1451-1141
 TUE FEB 13  18 50  19 35  20 03  01 41         06 17  06 46  07 31  04 44  08 41  14 59  10.2  5.6  55 1541-1541
 WED FEB 14  18 51  19 36  20 04  02 37         06 17  06 45  07 30  04 49  08 45  15 03  10.2  6.5  64 1632-1851
 THU FEB 15  18 51  19 36  20 04  03 32         06 16  06 44  07 29  04 52  08 49  15 06  10.2  7.5  73 1723-2106
 FRI FEB 16  18 52  19 37  20 05  04 24         06 15  06 43  07 28  04 57  08 53  15 09  10.2  8.3  81 1815-2222
 SAT FEB 17  18 53  19 38  20 06  05 13         06 14  06 42  07 27  05 02  08 57  15 12  10.1  9.1  89 1906-2235
 SUN FEB 18  18 54  19 39  20 07  05 58         06 13  06 41  07 26  05 07  09 01  15 15  10.1  9.8  97 1957-2148
 MON FEB 19  18 55  19 39  20 07  06 40  16 51  06 12  06 40  07 25  05 11  09 05  15 18  10.1 10.1 100 2047-2004
 TUE FEB 20  18 55  19 40  20 08  07 17  17 44  06 12  06 39  07 24  05 16  09 09  15 22  10.1 10.1 100 2136-1727
 WED FEB 21  18 56  19 41  20 09  07 52  18 38  06 11  06 39  07 23  05 21  09 13  15 25  10.0 10.0 100 2223-1406
 THU FEB 22  18 57  19 41  20 09         19 32  06 10  06 38  07 22  05 25  09 17  15 28  10.0 10.0 100 2310-1009
 FRI FEB 23  18 58  19 42  20 10         20 26  06 09  06 37  07 21  05 30  09 21  15 31  10.0  9.7  97 2355-0545
 SAT FEB 24  18 58  19 43  20 11         21 21  06 08  06 36  07 20  05 35  09 25  15 34  10.0  8.8  88 0041-0104
 SUN FEB 25  18 59  19 44  20 11         22 16  06 07  06 35  07 19  05 39  09 29  15 37   9.9  7.9  79 0127+0342
 MON FEB 26  19 00  19 44  20 12         23 13  06 06  06 34  07 18  05 44  09 32  15 39   9.9  6.9  69 0214+0824
 TUE FEB 27  19 01  19 45  20 13         00 12  06 05  06 33  07 17  05 49  09 36  15 42   9.9  5.9  59 0303+1250
 WED FEB 28  19 01  19 46  20 14         01 12  06 04  06 31  07 16  05 54  09 40  15 45   9.8  4.9  49 0355+1645

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  FEB 01   14:06  UT
                AND FOLLOWING MORNING.             FULL MOON      FEB 08   07:12  UT
                All dates and times are zone CST   LAST QUARTER   FEB 15   03:26  UT
                in upper table (except sid time).  NEW MOON       FEB 23   08:25  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU MAR 01  19 02  19 46  20 14         02 15  06 03  06 30  07 15  05 58  09 44  15 48   9.8  3.8  38 0450+1953
 FRI MAR 02  19 03  19 47  20 15         03 18  06 01  06 29  07 14  06 03  09 48  15 50   9.8  2.7  27 0548+2159
 SAT MAR 03  19 03  19 48  20 16         04 20  06 00  06 28  07 12  06 08  09 52  15 53   9.7  1.7  17 0650+2246
 SUN MAR 04  19 04  19 48  20 16         05 18  05 59  06 27  07 11  06 12  09 56  15 56   9.7  0.7   7 0753+2202
 MON MAR 05  19 05  19 49  20 17         06 10  05 58  06 26  07 10  06 16  10 00  15 59   9.7  0.0   0 0855+1947
 TUE MAR 06  19 05  19 50  20 18  16 52  06 57  05 57  06 25  07 09  06 21  10 04  16 02   9.7  0.0   0 0957+1609
 WED MAR 07  19 06  19 50  20 18  18 03  07 40  05 56  06 24  07 08  06 25  10 08  16 05   9.6  0.0   0 1055+1127
 THU MAR 08  19 07  19 51  20 19  19 12         05 55  06 23  07 07  06 30  10 12  16 08   9.6  0.0   0 1152+0605
 FRI MAR 09  19 08  19 52  20 20  20 19         05 53  06 21  07 06  06 35  10 16  16 10   9.5  0.0   0 1246+0028
 SAT MAR 10  19 08  19 52  20 20  21 24         05 52  06 20  07 04  06 39  10 20  16 13   9.5  1.1  11 1339-0502
 SUN MAR 11  19 09  19 53  20 21  22 27         05 51  06 19  07 03  06 44  10 24  16 16   9.5  2.1  22 1431-1007
 MON MAR 12  19 10  19 54  20 22  23 28         05 50  06 18  07 02  06 49  10 28  16 19   9.5  3.1  32 1523-1433
 TUE MAR 13  19 10  19 54  20 22  00 27         05 49  06 17  07 01  06 53  10 32  16 22   9.4  4.1  43 1615-1808
 WED MAR 14  19 11  19 55  20 23  01 24         05 47  06 15  07 00  06 58  10 36  16 24   9.4  5.0  53 1707-2045
 THU MAR 15  19 12  19 56  20 24  02 19         05 46  06 14  06 58  07 03  10 40  16 26   9.4  5.9  63 1759-2220
 FRI MAR 16  19 12  19 56  20 25  03 09         05 45  06 13  06 57  07 08  10 43  16 29   9.3  6.7  72 1852-2251
 SAT MAR 17  19 13  19 57  20 25  03 56         05 44  06 12  06 56  07 12  10 47  16 32   9.3  7.5  80 1943-2219
 SUN MAR 18  19 13  19 58  20 26  04 38         05 42  06 10  06 55  07 17  10 51  16 34   9.3  8.2  88 2033-2047
 MON MAR 19  19 14  19 58  20 27  05 17         05 41  06 09  06 53  07 22  10 55  16 37   9.2  8.8  95 2123-1822
 TUE MAR 20  19 15  19 59  20 27  05 53  16 31  05 40  06 08  06 52  07 26  10 59  16 40   9.2  9.2 100 2210-1510
 WED MAR 21  19 15  20 00  20 28  06 26  17 26  05 38  06 07  06 51  07 31  11 03  16 42   9.2  9.2 100 2257-1119
 THU MAR 22  19 16  20 00  20 29  06 58  18 20  05 37  06 05  06 50  07 36  11 07  16 45   9.1  9.1 100 2343-0657
 FRI MAR 23  19 17  20 01  20 29  07 29  19 15  05 36  06 04  06 48  07 39  11 11  16 48   9.1  9.1 100 0029-0215
 SAT MAR 24  19 17  20 02  20 30         20 11  05 34  06 03  06 47  07 44  11 15  16 50   9.1  9.1 100 0115+0236
 SUN MAR 25  19 18  20 02  20 31         21 08  05 33  06 02  06 46  07 49  11 19  16 53   9.0  8.4  93 0202+0727
 MON MAR 26  19 19  20 03  20 32         22 06  05 32  06 00  06 45  07 54  11 23  16 56   9.0  7.4  82 0251+1203
 TUE MAR 27  19 19  20 04  20 32         23 07  05 30  05 59  06 44  07 58  11 27  16 58   9.0  6.4  71 0343+1609
 WED MAR 28  19 20  20 04  20 33         00 09  05 29  05 58  06 42  08 03  11 31  17 01   8.9  5.3  59 0437+1931
 THU MAR 29  19 21  20 05  20 34         01 11  05 28  05 56  06 41  08 08  11 35  17 04   8.9  4.3  48 0534+2151
 FRI MAR 30  19 21  20 06  20 35         02 12  05 26  05 55  06 40  08 13  11 39  17 06   8.8  3.2  36 0633+2257
 SAT MAR 31  19 22  20 07  20 35         03 10  05 25  05 54  06 39  08 17  11 43  17 08   8.8  2.2  25 0734+2238

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  MAR 03   02:07  UT
                AND FOLLOWING MORNING.             FULL MOON      MAR 09   17:25  UT
                All dates and times are zone CST   LAST QUARTER   MAR 16   20:48  UT
                in upper table (except sid time).  NEW MOON       MAR 25   01:26  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN APR 01  19 22  20 07  20 36         04 02  05 24  05 53  06 37  08 22  11 47  17 11   8.8  1.4  15 0835+2052
 MON APR 02  19 23  20 08  20 37         04 50  05 22  05 51  06 36  08 27  11 50  17 13   8.8  0.5   6 0935+1744
 TUE APR 03  19 24  20 09  20 38         05 33  05 21  05 50  06 35  08 32  11 54  17 16   8.7  0.0   0 1033+1328
 WED APR 04  19 24  20 09  20 38  16 51  06 12  05 20  05 49  06 34  08 36  11 58  17 19   8.7  0.0   0 1129+0824
 THU APR 05  19 25  20 10  20 39  17 58  06 49  05 18  05 47  06 32  08 41  12 02  17 21   8.7  0.0   0 1223+0252
 FRI APR 06  19 26  20 11  20 40  19 03  07 26  05 17  05 46  06 31  08 46  12 06  17 24   8.6  0.0   0 1316-0245
 SAT APR 07  19 26  20 11  20 41  20 07         05 16  05 45  06 30  08 51  12 10  17 27   8.6  0.0   0 1409-0808
 SUN APR 08  19 27  20 12  20 42  21 10         05 14  05 44  06 29  08 56  12 14  17 29   8.5  0.5   5 1501-1258
 MON APR 09  19 27  20 13  20 42  22 12         05 13  05 42  06 28  09 00  12 18  17 32   8.5  1.5  17 1554-1702
 TUE APR 10  19 28  20 14  20 43  23 12         05 12  05 41  06 26  09 04  12 22  17 35   8.5  2.5  29 1647-2008
 WED APR 11  19 29  20 14  20 44  00 09         05 10  05 40  06 25  09 09  12 26  17 37   8.4  3.4  40 1741-2210
 THU APR 12  19 29  20 15  20 45  01 02         05 09  05 38  06 24  09 14  12 30  17 40   8.4  4.3  50 1834-2304
 FRI APR 13  19 30  20 16  20 46  01 51         05 07  05 37  06 23  09 19  12 34  17 42   8.4  5.1  60 1927-2252
 SAT APR 14  19 31  20 17  20 46  02 35         05 06  05 36  06 22  09 23  12 38  17 45   8.3  5.8  69 2018-2137
 SUN APR 15  19 31  20 17  20 47  03 16         05 05  05 35  06 21  09 28  12 42  17 48   8.3  6.5  78 2108-1926
 MON APR 16  19 32  20 18  20 48  03 52         05 03  05 34  06 20  09 33  12 46  17 49   8.3  7.1  85 2156-1626
 TUE APR 17  19 33  20 19  20 49  04 26         05 02  05 32  06 18  09 38  12 50  17 52   8.2  7.6  92 2243-1244
 WED APR 18  19 33  20 20  20 50  04 58  16 11  05 01  05 31  06 17  09 43  12 54  17 55   8.2  8.1  99 2329-0829
 THU APR 19  19 34  20 20  20 51  05 29  17 06  05 00  05 30  06 16  09 48  12 57  17 58   8.1  8.1 100 0014-0350
 FRI APR 20  19 35  20 21  20 52  06 01  18 01  04 58  05 29  06 15  09 53  13 01  18 00   8.1  8.1 100 0101+0104
 SAT APR 21  19 35  20 22  20 52  06 34  18 58  04 57  05 27  06 14  09 57  13 05  18 03   8.1  8.1 100 0148+0603
 SUN APR 22  19 36  20 23  20 53  07 09  19 58  04 56  05 26  06 13  10 02  13 09  18 06   8.1  8.1 100 0237+1052
 MON APR 23  19 37  20 23  20 54  07 48  20 59  04 54  05 25  06 12  10 07  13 13  18 08   8.0  7.9  98 0328+1515
 TUE APR 24  19 37  20 24  20 55         22 02  04 53  05 24  06 11  10 12  13 17  18 11   8.0  6.9  85 0423+1857
 WED APR 25  19 38  20 25  20 56         23 06  04 52  05 23  06 10  10 17  13 21  18 14   7.9  5.8  72 0520+2138
 THU APR 26  19 39  20 26  20 57         00 08  04 51  05 22  06 09  10 22  13 25  18 17   7.9  4.7  59 0620+2303
 FRI APR 27  19 39  20 27  20 58         01 07  04 49  05 21  06 08  10 27  13 29  18 19   7.8  3.7  47 0721+2304
 SAT APR 28  19 40  20 27  20 59         02 00  04 48  05 19  06 07  10 31  13 33  18 22   7.8  2.8  35 0821+2138
 SUN APR 29  19 41  20 28  21 00         02 48  04 47  05 18  06 06  10 36  13 37  18 25   7.8  2.0  25 0921+1850
 MON APR 30  19 41  20 29  21 01         03 31  04 46  05 17  06 05  10 41  13 41  18 28   7.8  1.2  16 1018+1455

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  APR 01   10:52  UT
                AND FOLLOWING MORNING.             FULL MOON      APR 08   03:26  UT
                All dates and times are zone CST   LAST QUARTER   APR 15   15:35  UT
                in upper table (except sid time).  NEW MOON       APR 23   15:30  UT
                                                   FIRST QUARTER  APR 30   17:10  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE MAY 01  19 42  20 30  21 01         04 10  04 45  05 16  06 04  10 45  13 45  18 31   7.7  0.6   7 1113+1008
 WED MAY 02  19 43  20 31  21 02         04 47  04 43  05 15  06 03  10 50  13 49  18 33   7.7  0.0   0 1206+0449
 THU MAY 03  19 43  20 31  21 03  16 48  05 22  04 42  05 14  06 02  10 55  13 53  18 35   7.7  0.0   0 1258-0043
 FRI MAY 04  19 44  20 32  21 04  17 51  05 58  04 41  05 13  06 01  11 00  13 57  18 38   7.6  0.0   0 1349-0610
 SAT MAY 05  19 45  20 33  21 05  18 54  06 35  04 40  05 12  06 00  11 05  14 01  18 41   7.6  0.0   0 1441-1114
 SUN MAY 06  19 45  20 34  21 06  19 56  07 15  04 39  05 11  06 00  11 10  14 05  18 44   7.5  0.0   0 1533-1539
 MON MAY 07  19 46  20 35  21 07  20 57  07 57  04 38  05 10  05 59  11 15  14 08  18 47   7.5  0.0   0 1627-1911
 TUE MAY 08  19 47  20 36  21 08  21 56         04 37  05 09  05 58  11 20  14 12  18 50   7.5  0.8  10 1721-2141
 WED MAY 09  19 48  20 36  21 09  22 52         04 36  05 08  05 57  11 25  14 16  18 53   7.5  1.7  23 1815-2303
 THU MAY 10  19 48  20 37  21 10  23 44         04 35  05 07  05 56  11 30  14 20  18 56   7.4  2.6  34 1908-2316
 FRI MAY 11  19 49  20 38  21 11  00 31         04 34  05 07  05 56  11 35  14 24  18 59   7.4  3.3  45 2001-2222
 SAT MAY 12  19 50  20 39  21 12  01 13         04 33  05 06  05 55  11 40  14 28  19 02   7.3  4.0  54 2051-2029
 SUN MAY 13  19 50  20 40  21 13  01 51         04 32  05 05  05 54  11 45  14 32  19 05   7.3  4.6  63 2140-1743
 MON MAY 14  19 51  20 40  21 14  02 26         04 31  05 04  05 54  11 50  14 36  19 08   7.3  5.2  71 2227-1414
 TUE MAY 15  19 52  20 41  21 15  02 58         04 30  05 03  05 53  11 55  14 40  19 11   7.2  5.7  78 2313-1009
 WED MAY 16  19 52  20 42  21 16  03 29         04 29  05 02  05 52  11 59  14 44  19 14   7.2  6.2  86 2359-0537
 THU MAY 17  19 53  20 43  21 16  04 00         04 28  05 02  05 52  12 03  14 48  19 17   7.2  6.7  93 0044-0047
 FRI MAY 18  19 54  20 44  21 17  04 32  16 46  04 27  05 01  05 51  12 08  14 52  19 20   7.2  7.2 100 0131+0412
 SAT MAY 19  19 54  20 44  21 18  05 06  17 44  04 26  05 00  05 50  12 13  14 56  19 23   7.1  7.1 100 0219+0908
 SUN MAY 20  19 55  20 45  21 19  05 43  18 45  04 26  05 00  05 50  12 18  15 00  19 26   7.1  7.1 100 0310+1348
 MON MAY 21  19 56  20 46  21 20  06 26  19 48  04 25  04 59  05 49  12 23  15 04  19 29   7.1  7.1 100 0405+1751
 TUE MAY 22  19 56  20 47  21 21  07 14  20 54  04 24  04 58  05 49  12 28  15 08  19 32   7.0  7.0 100 0502+2100
 WED MAY 23  19 57  20 48  21 22         21 59  04 23  04 58  05 48  12 33  15 12  19 35   7.0  6.4  91 0603+2254
 THU MAY 24  19 58  20 48  21 23         23 01  04 23  04 57  05 48  12 38  15 15  19 39   7.0  5.4  76 0705+2321
 FRI MAY 25  19 58  20 49  21 24         23 57  04 22  04 57  05 47  12 43  15 19  19 42   7.0  4.4  63 0807+2216
 SAT MAY 26  19 59  20 50  21 24         00 48  04 21  04 56  05 47  12 47  15 23  19 45   7.0  3.5  51 0908+1945
 SUN MAY 27  19 59  20 51  21 25         01 32  04 21  04 56  05 47  12 52  15 27  19 49   6.9  2.8  40 1005+1602
 MON MAY 28  20 00  20 51  21 26         02 12  04 20  04 55  05 46  12 57  15 31  19 52   6.9  2.1  30 1101+1126
 TUE MAY 29  20 01  20 52  21 27         02 48  04 20  04 55  05 46  13 02  15 35  19 56   6.9  1.5  22 1153+0615
 WED MAY 30  20 01  20 53  21 28         03 23  04 19  04 54  05 46  13 07  15 39  19 59   6.8  0.9  13 1245+0049
 THU MAY 31  20 02  20 53  21 28         03 58  04 19  04 54  05 45  13 11  15 43  20 03   6.8  0.3   5 1335-0435

                ONE LINE REFERS TO EVENING DATE    FULL MOON      MAY 07   13:58  UT
                AND FOLLOWING MORNING.             LAST QUARTER   MAY 15   10:13  UT
                All dates and times are zone CST   NEW MOON       MAY 23   02:49  UT
                in upper table (except sid time).  FIRST QUARTER  MAY 29   22:12  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI JUN 01  20 02  20 54  21 29  16 43  04 33  04 18  04 54  05 45  13 16  15 47  20 06   6.8  0.0   0 1425-0943
 SAT JUN 02  20 03  20 55  21 30  17 44  05 11  04 18  04 53  05 45  13 21  15 51  20 10   6.8  0.0   0 1517-1418
 SUN JUN 03  20 03  20 55  21 31  18 45  05 52  04 17  04 53  05 45  13 26  15 55  20 13   6.8  0.0   0 1609-1807
 MON JUN 04  20 04  20 56  21 31  19 44  06 36  04 17  04 53  05 44  13 29  15 59  20 17   6.8  0.0   0 1702-2100
 TUE JUN 05  20 04  20 56  21 32  20 41  07 24  04 17  04 52  05 44  13 34  16 03  20 20   6.8  0.0   0 1756-2246
 WED JUN 06  20 05  20 57  21 33  21 35         04 16  04 52  05 44  13 39  16 07  20 23   6.7  0.0   0 1850-2324
 THU JUN 07  20 05  20 58  21 33  22 25         04 16  04 52  05 44  13 43  16 11  20 27   6.7  0.9  12 1943-2253
 FRI JUN 08  20 06  20 58  21 34  23 09         04 16  04 52  05 44  13 48  16 15  20 31   6.7  1.6  23 2035-2119
 SAT JUN 09  20 06  20 59  21 35  23 49         04 16  04 52  05 44  13 53  16 19  20 35   6.7  2.2  33 2125-1849
 SUN JUN 10  20 07  20 59  21 35  00 25         04 16  04 52  05 44  13 57  16 23  20 39   6.7  2.8  42 2212-1533
 MON JUN 11  20 07  21 00  21 36  00 58         04 15  04 51  05 44  14 02  16 26  20 42   6.6  3.4  50 2258-1140
 TUE JUN 12  20 08  21 00  21 36  01 29         04 15  04 51  05 44  14 06  16 30  20 46   6.6  3.9  58 2343-0719
 WED JUN 13  20 08  21 01  21 37  01 59         04 15  04 51  05 44  14 11  16 34  20 50   6.6  4.4  65 0028-0237
 THU JUN 14  20 08  21 01  21 37  02 30         04 15  04 51  05 44  14 15  16 38  20 54   6.6  4.9  73 0114+0216
 FRI JUN 15  20 09  21 01  21 38  03 02         04 15  04 51  05 44  14 20  16 42  20 58   6.6  5.4  81 0201+0712
 SAT JUN 16  20 09  21 02  21 38  03 37  16 28  04 15  04 52  05 44  14 24  16 46  21 02   6.6  6.0  90 0250+1158
 SUN JUN 17  20 09  21 02  21 38  04 17  17 30  04 15  04 52  05 44  14 28  16 50  21 06   6.6  6.6 100 0343+1618
 MON JUN 18  20 10  21 02  21 39  05 03  18 35  04 15  04 52  05 44  14 33  16 54  21 10   6.6  6.6 100 0439+1953
 TUE JUN 19  20 10  21 03  21 39  05 56  19 41  04 16  04 52  05 45  14 37  16 58  21 15   6.6  6.6 100 0540+2221
 WED JUN 20  20 10  21 03  21 39  06 57  20 46  04 16  04 52  05 45  14 41  17 02  21 19   6.6  6.6 100 0643+2323
 THU JUN 21  20 11  21 03  21 39         21 47  04 16  04 52  05 45  14 44  17 06  21 23   6.6  6.5  97 0747+2250
 FRI JUN 22  20 11  21 03  21 40         22 42  04 16  04 53  05 45  14 49  17 10  21 27   6.6  5.6  84 0849+2042
 SAT JUN 23  20 11  21 04  21 40         23 30  04 16  04 53  05 45  14 53  17 14  21 30   6.6  4.8  72 0950+1713
 SUN JUN 24  20 11  21 04  21 40         00 12  04 17  04 53  05 46  14 57  17 18  21 35   6.6  4.1  61 1047+1243
 MON JUN 25  20 11  21 04  21 40         00 50  04 17  04 53  05 46  15 01  17 22  21 39   6.6  3.4  52 1141+0734
 TUE JUN 26  20 11  21 04  21 40         01 26  04 17  04 54  05 46  15 05  17 26  21 43   6.6  2.8  43 1233+0207
 WED JUN 27  20 12  21 04  21 40         02 00  04 18  04 54  05 47  15 09  17 30  21 48   6.6  2.3  34 1324-0319
 THU JUN 28  20 12  21 04  21 40         02 35  04 18  04 54  05 47  15 13  17 33  21 52   6.6  1.7  25 1414-0830
 FRI JUN 29  20 12  21 04  21 40         03 11  04 19  04 55  05 47  15 17  17 37  21 57   6.7  1.1  17 1504-1312
 SAT JUN 30  20 12  21 04  21 40  16 37  03 50  04 19  04 55  05 48  15 21  17 41  22 01   6.7  0.5   7 1555-1711

                ONE LINE REFERS TO EVENING DATE    FULL MOON      JUN 06   01:43  UT
                AND FOLLOWING MORNING.             LAST QUARTER   JUN 14   03:31  UT
                All dates and times are zone CST   NEW MOON       JUN 21   12:00  UT
                in upper table (except sid time).  FIRST QUARTER  JUN 28   03:23  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN JUL 01  20 12  21 04  21 40  17 36  04 32  04 20  04 56  05 48  15 25  17 45  22 06   6.7  0.0   0 1648-2018
 MON JUL 02  20 12  21 04  21 40  18 34  05 19  04 20  04 56  05 48  15 29  17 49  22 10   6.7  0.0   0 1741-2222
 TUE JUL 03  20 12  21 04  21 40  19 28  06 08  04 21  04 57  05 49  15 33  17 53  22 15   6.7  0.0   0 1834-2320
 WED JUL 04  20 12  21 04  21 40  20 19  07 01  04 21  04 57  05 49  15 37  17 57  22 19   6.7  0.0   0 1928-2309
 THU JUL 05  20 11  21 04  21 39  21 05  07 55  04 22  04 58  05 50  15 40  18 01  22 24   6.7  0.0   0 2020-2154
 FRI JUL 06  20 11  21 03  21 39  21 47         04 22  04 58  05 50  15 44  18 05  22 28   6.7  0.1   1 2110-1940
 SAT JUL 07  20 11  21 03  21 39  22 24         04 23  04 59  05 51  15 48  18 09  22 33   6.7  0.8  11 2158-1637
 SUN JUL 08  20 11  21 03  21 39  22 58         04 24  04 59  05 51  15 52  18 13  22 38   6.8  1.3  19 2245-1255
 MON JUL 09  20 11  21 03  21 38  23 29         04 24  05 00  05 52  15 54  18 17  22 42   6.8  1.9  27 2330-0842
 TUE JUL 10  20 11  21 02  21 38  23 59         04 25  05 00  05 52  15 58  18 21  22 47   6.8  2.4  34 0014-0407
 WED JUL 11  20 10  21 02  21 37  00 29         04 26  05 01  05 53  16 01  18 25  22 51   6.8  2.9  42 0059+0039
 THU JUL 12  20 10  21 02  21 37  01 00         04 26  05 02  05 53  16 05  18 29  22 55   6.8  3.4  49 0144+0529
 FRI JUL 13  20 10  21 01  21 36  01 33         04 27  05 02  05 54  16 08  18 33  23 00   6.8  3.9  57 0231+1014
 SAT JUL 14  20 10  21 01  21 36  02 09         04 28  05 03  05 54  16 12  18 37  23 05   6.9  4.5  66 0322+1440
 SUN JUL 15  20 09  21 00  21 35  02 51  16 15  04 29  05 04  05 55  16 15  18 40  23 10   6.9  5.3  76 0415+1831
 MON JUL 16  20 09  21 00  21 35  03 40  17 20  04 30  05 04  05 56  16 19  18 44  23 15   6.9  6.1  87 0514+2128
 TUE JUL 17  20 08  20 59  21 34  04 37  18 26  04 30  05 05  05 56  16 22  18 48  23 19   6.9  6.9 100 0615+2308
 WED JUL 18  20 08  20 59  21 34  05 42  19 30  04 31  05 06  05 57  16 26  18 52  23 24   6.9  6.9 100 0720+2316
 THU JUL 19  20 08  20 58  21 33  06 52  20 28  04 32  05 06  05 57  16 29  18 56  23 29   7.0  7.0 100 0824+2144
 FRI JUL 20  20 07  20 58  21 32         21 21  04 33  05 07  05 58  16 32  19 00  23 34   7.0  7.0 100 0927+1839
 SAT JUL 21  20 07  20 57  21 31         22 07  04 34  05 08  05 58  16 35  19 04  23 39   7.1  6.4  91 1028+1420
 SUN JUL 22  20 06  20 57  21 31         22 48  04 34  05 09  05 59  16 39  19 08  23 43   7.1  5.8  81 1124+0911
 MON JUL 23  20 06  20 56  21 30         23 26  04 35  05 09  06 00  16 42  19 12  23 48   7.1  5.2  72 1219+0337
 TUE JUL 24  20 05  20 55  21 29         00 01  04 36  05 10  06 00  16 45  19 16  23 53   7.1  4.6  64 1311-0159
 WED JUL 25  20 04  20 54  21 28         00 36  04 37  05 11  06 01  16 48  19 20  23 58   7.1  4.0  56 1402-0721
 THU JUL 26  20 04  20 54  21 27         01 12  04 38  05 12  06 02  16 50  19 24  00 03   7.2  3.4  47 1452-1214
 FRI JUL 27  20 03  20 53  21 27         01 50  04 39  05 12  06 02  16 54  19 28  00 08   7.2  2.8  39 1543-1624
 SAT JUL 28  20 02  20 52  21 26         02 31  04 40  05 13  06 03  16 57  19 32  00 13   7.2  2.1  29 1635-1943
 SUN JUL 29  20 02  20 51  21 25  16 28  03 16  04 41  05 14  06 03  17 00  19 36  00 17   7.3  1.4  19 1728-2201
 MON JUL 30  20 01  20 51  21 24  17 24  04 04  04 41  05 15  06 04  17 03  19 40  00 21   7.3  0.6   8 1821-2314
 TUE JUL 31  20 00  20 50  21 23  18 15  04 55  04 42  05 15  06 05  17 06  19 44  00 26   7.3  0.0   0 1914-2319

                ONE LINE REFERS TO EVENING DATE    FULL MOON      JUL 05   15:05  UT
                AND FOLLOWING MORNING.             LAST QUARTER   JUL 13   18:47  UT
                All dates and times are zone CST   NEW MOON       JUL 20   19:46  UT
                in upper table (except sid time).  FIRST QUARTER  JUL 27   10:10  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED AUG 01  20 00  20 49  21 22  19 03  05 49  04 43  05 16  06 05  17 09  19 48  00 31   7.3  0.0   0 2006-2219
 THU AUG 02  19 59  20 48  21 21  19 46  06 43  04 44  05 17  06 06  17 12  19 51  00 36   7.4  0.0   0 2057-2020
 FRI AUG 03  19 58  20 47  21 20  20 24  07 37  04 45  05 18  06 07  17 15  19 55  00 41   7.4  0.0   0 2145-1728
 SAT AUG 04  19 57  20 46  21 19  20 59         04 46  05 19  06 07  17 18  19 59  00 46   7.4  0.0   0 2232-1354
 SUN AUG 05  19 56  20 45  21 18  21 31         04 47  05 19  06 08  17 21  20 03  00 51   7.5  0.2   2 2318-0948
 MON AUG 06  19 56  20 44  21 17  22 01         04 48  05 20  06 09  17 24  20 07  00 56   7.5  0.7   9 0002-0518
 TUE AUG 07  19 55  20 43  21 15  22 31         04 49  05 21  06 09  17 26  20 11  01 01   7.6  1.3  16 0046-0034
 WED AUG 08  19 54  20 42  21 14  23 01         04 50  05 22  06 10  17 29  20 15  01 06   7.6  1.8  23 0131+0413
 THU AUG 09  19 53  20 41  21 13  23 32         04 50  05 22  06 11  17 32  20 19  01 10   7.6  2.3  30 0216+0856
 FRI AUG 10  19 52  20 40  21 12  00 06         04 51  05 23  06 11  17 35  20 23  01 15   7.6  2.9  37 0304+1323
 SAT AUG 11  19 51  20 39  21 11  00 44         04 52  05 24  06 12  17 37  20 27  01 20   7.7  3.6  46 0356+1721
 SUN AUG 12  19 50  20 38  21 10  01 28         04 53  05 25  06 12  17 40  20 31  01 25   7.7  4.3  55 0451+2034
 MON AUG 13  19 49  20 37  21 08  02 20  16 06  04 54  05 25  06 13  17 42  20 35  01 30   7.8  5.2  66 0549+2243
 TUE AUG 14  19 48  20 36  21 07  03 20  17 10  04 55  05 26  06 14  17 45  20 39  01 35   7.8  6.2  79 0652+2329
 WED AUG 15  19 47  20 35  21 06  04 27  18 11  04 56  05 27  06 14  17 48  20 43  01 40   7.8  7.3  93 0756+2239
 THU AUG 16  19 46  20 33  21 05  05 38  19 06  04 56  05 28  06 15  17 51  20 47  01 43   7.8  7.8 100 0900+2012
 FRI AUG 17  19 45  20 32  21 03  06 50  19 56  04 57  05 28  06 16  17 53  20 51  01 48   7.9  7.9 100 1002+1619
 SAT AUG 18  19 44  20 31  21 02         20 40  04 58  05 29  06 16  17 56  20 55  01 53   7.9  7.9 100 1101+1120
 SUN AUG 19  19 43  20 30  21 01         21 20  04 59  05 30  06 17  17 59  20 58  01 58   8.0  7.6  96 1158+0542
 MON AUG 20  19 42  20 29  20 59         21 58  05 00  05 31  06 17  18 01  21 02  02 03   8.0  7.0  87 1252-0007
 TUE AUG 21  19 41  20 28  20 58         22 34  05 01  05 31  06 18  18 04  21 06  02 08   8.0  6.4  80 1345-0549
 WED AUG 22  19 40  20 26  20 57         23 11  05 02  05 32  06 19  18 07  21 10  02 13   8.1  5.9  72 1437-1102
 THU AUG 23  19 39  20 25  20 56         23 49  05 02  05 33  06 19  18 10  21 14  02 17   8.1  5.2  64 1529-1532
 FRI AUG 24  19 38  20 24  20 54         00 30  05 03  05 33  06 20  18 12  21 18  02 22   8.2  4.6  55 1622-1908
 SAT AUG 25  19 36  20 23  20 53         01 13  05 04  05 34  06 20  18 15  21 22  02 27   8.2  3.8  47 1715-2143
 SUN AUG 26  19 35  20 21  20 52         02 01  05 05  05 35  06 21  18 18  21 26  02 32   8.2  3.1  37 1808-2311
 MON AUG 27  19 34  20 20  20 50  16 12  02 51  05 06  05 36  06 22  18 20  21 30  02 37   8.3  2.2  27 1901-2331
 TUE AUG 28  19 33  20 19  20 49  17 01  03 44  05 06  05 36  06 22  18 22  21 34  02 41   8.3  1.4  16 1954-2245
 WED AUG 29  19 32  20 18  20 47  17 45  04 38  05 07  05 37  06 23  18 24  21 38  02 46   8.3  0.5   5 2044-2058
 THU AUG 30  19 31  20 16  20 46  18 25  05 32  05 08  05 38  06 23  18 27  21 42  02 51   8.4  0.0   0 2133-1816
 FRI AUG 31  19 29  20 15  20 45  19 00  06 26  05 09  05 38  06 24  18 30  21 46  02 56   8.4  0.0   0 2221-1450

                ONE LINE REFERS TO EVENING DATE    FULL MOON      AUG 04   05:57  UT
                AND FOLLOWING MORNING.             LAST QUARTER   AUG 12   07:56  UT
                All dates and times are zone CST   NEW MOON       AUG 19   02:57  UT
                in upper table (except sid time).  FIRST QUARTER  AUG 25   19:56  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT SEP 01  19 28  20 14  20 43  19 33  07 20  05 09  05 39  06 25  18 32  21 50  03 00   8.4  0.0   0 2306-1049
 SUN SEP 02  19 27  20 12  20 42  20 04         05 10  05 40  06 25  18 35  21 54  03 05   8.5  0.0   0 2351-0621
 MON SEP 03  19 26  20 11  20 41  20 33         05 11  05 40  06 26  18 38  21 58  03 09   8.5  0.0   0 0035-0137
 TUE SEP 04  19 25  20 10  20 39  21 03         05 12  05 41  06 26  18 40  22 02  03 14   8.6  0.4   4 0119+0312
 WED SEP 05  19 23  20 08  20 38  21 33         05 12  05 42  06 27  18 43  22 06  03 18   8.6  0.9  10 0205+0758
 THU SEP 06  19 22  20 07  20 36  22 06         05 13  05 42  06 27  18 45  22 09  03 23   8.6  1.5  17 0252+1230
 FRI SEP 07  19 21  20 06  20 35  22 42         05 14  05 43  06 28  18 48  22 13  03 28   8.6  2.1  24 0341+1634
 SAT SEP 08  19 20  20 05  20 34  23 23         05 15  05 44  06 29  18 51  22 17  03 33   8.7  2.8  32 0434+1956
 SUN SEP 09  19 18  20 03  20 32  00 10         05 15  05 44  06 29  18 53  22 21  03 37   8.7  3.6  41 0530+2222
 MON SEP 10  19 17  20 02  20 31  01 04         05 16  05 45  06 30  18 56  22 25  03 42   8.8  4.6  52 0629+2335
 TUE SEP 11  19 16  20 01  20 29  02 06         05 17  05 45  06 30  18 58  22 29  03 47   8.8  5.6  63 0731+2320
 WED SEP 12  19 14  19 59  20 28  03 14  16 52  05 17  05 46  06 31  19 01  22 33  03 51   8.8  6.8  76 0833+2133
 THU SEP 13  19 13  19 58  20 27  04 24  17 43  05 18  05 47  06 31  19 03  22 37  03 56   8.8  7.9  89 0935+1815
 FRI SEP 14  19 12  19 57  20 25  05 36  18 29  05 19  05 47  06 32  19 05  22 41  04 01   8.9  8.9 100 1035+1342
 SAT SEP 15  19 11  19 55  20 24  06 46  19 11  05 19  05 48  06 33  19 08  22 45  04 05   8.9  8.9 100 1132+0815
 SUN SEP 16  19 09  19 54  20 22  07 55  19 50  05 20  05 49  06 33  19 10  22 49  04 10   9.0  9.0 100 1228+0220
 MON SEP 17  19 08  19 53  20 21         20 27  05 21  05 49  06 34  19 13  22 53  04 15   9.0  8.9  98 1323-0337
 TUE SEP 18  19 07  19 51  20 20         21 05  05 21  05 50  06 34  19 16  22 57  04 19   9.0  8.3  91 1417-0914
 WED SEP 19  19 06  19 50  20 18         21 43  05 22  05 50  06 35  19 18  23 01  04 24   9.1  7.6  84 1510-1413
 THU SEP 20  19 04  19 49  20 17         22 24  05 23  05 51  06 35  19 21  23 05  04 29   9.1  7.0  76 1604-1818
 FRI SEP 21  19 03  19 47  20 16         23 08  05 23  05 52  06 36  19 24  23 09  04 32   9.1  6.2  68 1659-2118
 SAT SEP 22  19 02  19 46  20 14         23 55  05 24  05 52  06 37  19 26  23 13  04 37   9.2  5.5  59 1753-2308
 SUN SEP 23  19 00  19 45  20 13         00 45  05 25  05 53  06 37  19 29  23 16  04 42   9.2  4.7  50 1847-2347
 MON SEP 24  18 59  19 43  20 12         01 38  05 25  05 53  06 38  19 32  23 20  04 46   9.2  3.8  41 1940-2317
 TUE SEP 25  18 58  19 42  20 10         02 32  05 26  05 54  06 38  19 34  23 24  04 51   9.3  2.9  31 2031-2142
 WED SEP 26  18 57  19 41  20 09  16 25  03 26  05 26  05 55  06 39  19 37  23 28  04 55   9.3  2.0  21 2121-1912
 THU SEP 27  18 55  19 40  20 08  17 02  04 20  05 27  05 55  06 39  19 40  23 32  05 00   9.3  1.1  11 2209-1554
 FRI SEP 28  18 54  19 38  20 06  17 35  05 14  05 28  05 56  06 40  19 42  23 36  05 05   9.4  0.2   2 2255-1158
 SAT SEP 29  18 53  19 37  20 05  18 06  06 08  05 28  05 56  06 41  19 44  23 40  05 09   9.4  0.0   0 2339-0733
 SUN SEP 30  18 52  19 36  20 04  18 36  07 01  05 29  05 57  06 41  19 47  23 44  05 14   9.4  0.0   0 0024-0248

                ONE LINE REFERS TO EVENING DATE    FULL MOON      SEP 02   21:46  UT
                AND FOLLOWING MORNING.             LAST QUARTER   SEP 10   19:03  UT
                All dates and times are zone CST   NEW MOON       SEP 17   10:30  UT
                in upper table (except sid time).  FIRST QUARTER  SEP 24   09:32  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON OCT 01  18 50  19 34  20 02  19 06  07 56  05 30  05 58  06 42  19 49  23 48  05 19   9.5  0.0   0 0108+0205
 TUE OCT 02  18 49  19 33  20 01  19 36         05 30  05 58  06 42  19 52  23 52  05 23   9.5  0.0   0 0153+0658
 WED OCT 03  18 48  19 32  20 00  20 07         05 31  05 59  06 43  19 55  23 56  05 28   9.5  0.1   1 0240+1139
 THU OCT 04  18 47  19 31  19 59  20 42         05 31  05 59  06 44  19 58  00 00  05 32   9.5  0.7   7 0329+1554
 FRI OCT 05  18 45  19 30  19 58  21 21         05 32  06 00  06 44  20 01  00 04  05 37   9.6  1.4  14 0421+1929
 SAT OCT 06  18 44  19 28  19 56  22 06         05 33  06 01  06 45  20 03  00 08  05 42   9.6  2.2  22 0516+2209
 SUN OCT 07  18 43  19 27  19 55  22 57         05 33  06 01  06 45  20 06  00 12  05 46   9.6  3.0  31 0613+2340
 MON OCT 08  18 42  19 26  19 54  23 54         05 34  06 02  06 46  20 09  00 16  05 51   9.7  4.0  41 0713+2349
 TUE OCT 09  18 41  19 25  19 53  00 58         05 35  06 02  06 47  20 12  00 20  05 55   9.7  5.1  52 0813+2231
 WED OCT 10  18 39  19 24  19 52  02 05         05 35  06 03  06 47  20 15  00 24  05 59   9.7  6.2  63 0913+1946
 THU OCT 11  18 38  19 23  19 50  03 14  16 22  05 36  06 04  06 48  20 17  00 27  06 04   9.8  7.4  75 1012+1544
 FRI OCT 12  18 37  19 21  19 49  04 23  17 04  05 36  06 04  06 49  20 20  00 31  06 08   9.8  8.6  87 1109+1041
 SAT OCT 13  18 36  19 20  19 48  05 32  17 43  05 37  06 05  06 49  20 23  00 35  06 13   9.8  9.7  99 1204+0458
 SUN OCT 14  18 35  19 19  19 47  06 39  18 20  05 38  06 06  06 50  20 26  00 39  06 18   9.9  9.9 100 1259-0101
 MON OCT 15  18 34  19 18  19 46  07 46  18 57  05 38  06 06  06 51  20 29  00 43  06 22   9.9  9.9 100 1353-0654
 TUE OCT 16  18 33  19 17  19 45         19 35  05 39  06 07  06 51  20 31  00 47  06 27   9.9  9.9 100 1447-1218
 WED OCT 17  18 32  19 16  19 44         20 15  05 40  06 07  06 52  20 34  00 51  06 32   9.9  9.4  94 1542-1655
 THU OCT 18  18 30  19 15  19 43         20 59  05 40  06 08  06 53  20 37  00 55  06 36   9.9  8.7  87 1638-2029
 FRI OCT 19  18 29  19 14  19 42         21 46  05 41  06 09  06 53  20 40  00 59  06 41  10.0  7.9  79 1734-2251
 SAT OCT 20  18 28  19 13  19 41         22 36  05 41  06 09  06 54  20 43  01 03  06 45  10.0  7.1  70 1829-2357
 SUN OCT 21  18 27  19 12  19 40         23 29  05 42  06 10  06 55  20 46  01 07  06 50  10.0  6.2  61 1924-2349
 MON OCT 22  18 26  19 11  19 39         00 23  05 43  06 11  06 55  20 49  01 11  06 55  10.1  5.3  52 2016-2232
 TUE OCT 23  18 25  19 10  19 38         01 18  05 43  06 11  06 56  20 52  01 15  06 59  10.1  4.4  43 2107-2015
 WED OCT 24  18 24  19 09  19 37         02 12  05 44  06 12  06 57  20 55  01 19  07 04  10.1  3.5  34 2155-1708
 THU OCT 25  18 23  19 08  19 36         03 06  05 45  06 13  06 58  20 58  01 23  07 09  10.1  2.7  26 2241-1321
 FRI OCT 26  18 22  19 07  19 35  16 08  04 00  05 45  06 13  06 58  21 01  01 27  07 13  10.2  1.8  17 2326-0901
 SAT OCT 27  18 21  19 06  19 34  16 38  04 54  05 46  06 14  06 59  21 04  01 31  07 17  10.2  0.9   8 0011-0419
 SUN OCT 28  18 21  19 05  19 34  17 07  05 48  05 47  06 15  07 00  21 08  01 34  07 22  10.2  0.0   0 0055+0036
 MON OCT 29  18 20  19 05  19 33  17 37  06 44  05 47  06 15  07 01  21 11  01 38  07 26  10.2  0.0   0 0140+0535
 TUE OCT 30  18 19  19 04  19 32  18 08  07 41  05 48  06 16  07 01  21 14  01 42  07 31  10.3  0.0   0 0227+1026
 WED OCT 31  18 18  19 03  19 31  18 42         05 49  06 17  07 02  21 17  01 46  07 36  10.3  0.0   0 0316+1456

                ONE LINE REFERS TO EVENING DATE    FULL MOON      OCT 02   13:52  UT
                AND FOLLOWING MORNING.             LAST QUARTER   OCT 10   04:23  UT
                All dates and times are zone CST   NEW MOON       OCT 16   19:27  UT
                in upper table (except sid time).  FIRST QUARTER  OCT 24   03:01  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU NOV 01  18 17  19 02  19 30  19 20         05 49  06 18  07 03  21 20  01 50  07 40  10.3  0.0   0 0408+1848
 FRI NOV 02  18 16  19 01  19 30  20 03         05 50  06 18  07 04  21 23  01 54  07 45  10.3  0.5   5 0503+2148
 SAT NOV 03  18 15  19 01  19 29  20 53         05 51  06 19  07 04  21 26  01 58  07 50  10.4  1.4  13 0600+2338
 SUN NOV 04  18 15  19 00  19 28  21 49         05 51  06 20  07 05  21 29  02 02  07 54  10.4  2.4  22 0659+2408
 MON NOV 05  18 14  18 59  19 28  22 50         05 52  06 20  07 06  21 33  02 06  07 59  10.4  3.4  32 0759+2311
 TUE NOV 06  18 13  18 59  19 27  23 55         05 53  06 21  07 07  21 36  02 10  08 04  10.4  4.5  42 0859+2048
 WED NOV 07  18 12  18 58  19 26  01 02         05 54  06 22  07 08  21 39  02 14  08 09  10.5  5.6  53 0956+1710
 THU NOV 08  18 12  18 57  19 26  02 09         05 54  06 23  07 08  21 43  02 18  08 13  10.5  6.7  64 1052+1229
 FRI NOV 09  18 11  18 57  19 25  03 15         05 55  06 23  07 09  21 46  02 22  08 18  10.5  7.8  74 1146+0705
 SAT NOV 10  18 10  18 56  19 25  04 21  16 16  05 56  06 24  07 10  21 50  02 26  08 23  10.5  8.9  84 1239+0117
 SUN NOV 11  18 10  18 56  19 24  05 26  16 52  05 56  06 25  07 11  21 53  02 30  08 27  10.5 10.0  95 1331-0435
 MON NOV 12  18 09  18 55  19 24  06 32  17 28  05 57  06 26  07 12  21 57  02 34  08 32  10.6 10.6 100 1425-1010
 TUE NOV 13  18 09  18 55  19 23  07 37  18 07  05 58  06 26  07 12  22 00  02 38  08 37  10.6 10.6 100 1519-1509
 WED NOV 14  18 08  18 54  19 23         18 48  05 58  06 27  07 13  22 04  02 41  08 40  10.6 10.6 100 1614-1913
 THU NOV 15  18 08  18 54  19 22         19 34  05 59  06 28  07 14  22 07  02 45  08 45  10.6 10.4  98 1711-2209
 FRI NOV 16  18 07  18 53  19 22         20 23  06 00  06 29  07 15  22 11  02 49  08 50  10.6  9.6  90 1807-2349
 SAT NOV 17  18 07  18 53  19 22         21 16  06 01  06 29  07 16  22 15  02 53  08 55  10.7  8.8  82 1903-2410
 SUN NOV 18  18 06  18 53  19 21         22 11  06 01  06 30  07 17  22 18  02 57  08 59  10.7  7.8  73 1958-2318
 MON NOV 19  18 06  18 52  19 21         23 07  06 02  06 31  07 17  22 21  03 01  09 04  10.7  6.9  64 2050-2119
 TUE NOV 20  18 05  18 52  19 21         00 02  06 03  06 32  07 18  22 25  03 05  09 09  10.7  6.0  56 2139-1826
 WED NOV 21  18 05  18 52  19 21         00 57  06 04  06 32  07 19  22 29  03 09  09 14  10.7  5.1  47 2226-1450
 THU NOV 22  18 05  18 51  19 20         01 50  06 04  06 33  07 20  22 32  03 13  09 18  10.7  4.2  39 2312-1039
 FRI NOV 23  18 04  18 51  19 20         02 44  06 05  06 34  07 21  22 36  03 17  09 23  10.7  3.4  31 2356-0604
 SAT NOV 24  18 04  18 51  19 20         03 37  06 06  06 35  07 22  22 40  03 21  09 28  10.8  2.5  23 0040-0112
 SUN NOV 25  18 04  18 51  19 20         04 32  06 06  06 35  07 22  22 44  03 25  09 32  10.8  1.6  14 0125+0347
 MON NOV 26  18 04  18 51  19 20  16 07  05 29  06 07  06 36  07 23  22 48  03 29  09 37  10.8  0.6   5 0211+0844
 TUE NOV 27  18 04  18 51  19 20  16 40  06 28  06 08  06 37  07 24  22 52  03 33  09 42  10.8  0.0   0 0259+1325
 WED NOV 28  18 03  18 51  19 20  17 16  07 30  06 09  06 38  07 25  22 56  03 37  09 47  10.8  0.0   0 0351+1737
 THU NOV 29  18 03  18 50  19 20  17 58         06 09  06 38  07 26  23 00  03 41  09 51  10.8  0.0   0 0445+2100
 FRI NOV 30  18 03  18 50  19 20  18 46         06 10  06 39  07 27  23 04  03 45  09 56  10.8  0.0   0 0543+2317

                ONE LINE REFERS TO EVENING DATE    FULL MOON      NOV 01   05:44  UT
                AND FOLLOWING MORNING.             LAST QUARTER   NOV 08   12:24  UT
                All dates and times are zone CST   NEW MOON       NOV 15   06:43  UT
                in upper table (except sid time).  FIRST QUARTER  NOV 22   23:24  UT
                                                   FULL MOON      NOV 30   20:51  UT





                                MCDO OBSERVATORY CALENDAR FOR 2001  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2001      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT DEC 01  18 03  18 50  19 20  19 41         06 11  06 40  07 27  23 08  03 49  10 01  10.8  0.3   3 0644+2413
 SUN DEC 02  18 03  18 50  19 20  20 42         06 11  06 41  07 28  23 12  03 52  10 04  10.8  1.4  12 0745+2338
 MON DEC 03  18 03  18 50  19 20  21 47         06 12  06 41  07 29  23 16  03 56  10 09  10.9  2.4  22 0845+2135
 TUE DEC 04  18 03  18 51  19 20  22 54         06 13  06 42  07 30  23 20  04 00  10 14  10.9  3.6  32 0944+1811
 WED DEC 05  18 03  18 51  19 20  00 01         06 14  06 43  07 30  23 24  04 04  10 19  10.9  4.7  42 1040+1344
 THU DEC 06  18 03  18 51  19 20  01 07         06 14  06 44  07 31  23 27  04 08  10 23  10.9  5.8  53 1133+0833
 FRI DEC 07  18 03  18 51  19 20  02 11         06 15  06 44  07 32  23 31  04 12  10 28  10.9  6.8  62 1225+0255
 SAT DEC 08  18 03  18 51  19 20  03 15         06 16  06 45  07 33  23 35  04 16  10 33  10.9  7.9  72 1316-0249
 SUN DEC 09  18 04  18 51  19 21  04 18         06 16  06 46  07 33  23 40  04 20  10 37  10.9  8.9  81 1408-0824
 MON DEC 10  18 04  18 51  19 21  05 22  16 03  06 17  06 46  07 34  23 44  04 24  10 42  10.9 10.0  91 1500-1330
 TUE DEC 11  18 04  18 52  19 21  06 25  16 42  06 18  06 47  07 35  23 48  04 28  10 47  10.9 10.9 100 1554-1752
 WED DEC 12  18 04  18 52  19 21  07 27  17 25  06 18  06 48  07 35  23 52  04 32  10 51  10.9 10.9 100 1649-2113
 THU DEC 13  18 04  18 52  19 22         18 12  06 19  06 48  07 36  23 57  04 36  10 56  10.9 10.9 100 1746-2322
 FRI DEC 14  18 05  18 53  19 22         19 04  06 19  06 49  07 37  00 01  04 40  11 00  10.9 10.9 100 1842-2414
 SAT DEC 15  18 05  18 53  19 22         19 58  06 20  06 49  07 37  00 05  04 44  11 05  11.0 10.4  94 1938-2348
 SUN DEC 16  18 05  18 53  19 23         20 55  06 21  06 50  07 38  00 10  04 48  11 10  11.0  9.4  86 2031-2212
 MON DEC 17  18 06  18 54  19 23         21 51  06 21  06 51  07 39  00 14  04 52  11 14  11.0  8.5  77 2122-1936
 TUE DEC 18  18 06  18 54  19 24         22 46  06 22  06 51  07 39  00 19  04 56  11 19  11.0  7.6  69 2210-1612
 WED DEC 19  18 07  18 55  19 24         23 40  06 22  06 52  07 40  00 23  04 59  11 23  11.0  6.7  61 2257-1211
 THU DEC 20  18 07  18 55  19 24         00 33  06 23  06 52  07 40  00 27  05 03  11 27  11.0  5.8  53 2341-0744
 FRI DEC 21  18 07  18 55  19 25         01 26  06 23  06 53  07 41  00 32  05 07  11 31  11.0  4.9  45 0025-0259
 SAT DEC 22  18 08  18 56  19 25         02 20  06 24  06 53  07 41  00 36  05 11  11 36  11.0  4.1  37 0108+0155
 SUN DEC 23  18 08  18 56  19 26         03 15  06 24  06 54  07 42  00 41  05 15  11 40  11.0  3.2  28 0153+0651
 MON DEC 24  18 09  18 57  19 26         04 12  06 25  06 54  07 42  00 44  05 19  11 45  11.0  2.2  20 0240+1137
 TUE DEC 25  18 10  18 58  19 27         05 12  06 25  06 55  07 43  00 49  05 23  11 49  11.0  1.2  11 0330+1600
 WED DEC 26  18 10  18 58  19 28         06 15  06 26  06 55  07 43  00 54  05 27  11 54  11.0  0.2   1 0423+1945
 THU DEC 27  18 11  18 59  19 28  16 35  07 20  06 26  06 55  07 43  00 58  05 31  11 58  11.0  0.0   0 0520+2232
 FRI DEC 28  18 11  18 59  19 29  17 27         06 26  06 56  07 44  01 03  05 35  12 02  10.9  0.0   0 0621+2402
 SAT DEC 29  18 12  19 00  19 29  18 27         06 27  06 56  07 44  01 07  05 39  12 07  11.0  0.0   0 0723+2401
 SUN DEC 30  18 13  19 00  19 30  19 33         06 27  06 57  07 44  01 12  05 43  12 11  10.9  0.0   0 0826+2223
 MON DEC 31  18 13  19 01  19 31  20 42         06 27  06 57  07 45  01 17  05 47  12 15  10.9  1.2  10 0927+1917

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   DEC 07   19:55  UT
                AND FOLLOWING MORNING.             NEW MOON       DEC 14   20:50  UT
                All dates and times are zone CST   FIRST QUARTER  DEC 22   21:00  UT
                in upper table (except sid time).  FULL MOON      DEC 30   10:43  UT