View calendars 2000-2010 here.
                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT JAN 01  18 14  19 02  19 31  05 08         06 28  06 57  07 45  01 19  05 49  12 18  11.0  9.6  87 1608-1617
 SUN JAN 02  18 15  19 03  19 32  06 00  16 17  06 28  06 57  07 45  01 24  05 53  12 22  10.9 10.5  95 1656-1839
 MON JAN 03  18 16  19 03  19 33  06 51  16 59  06 28  06 58  07 45  01 29  05 57  12 26  10.9 10.9 100 1746-2014
 TUE JAN 04  18 16  19 04  19 33  07 41  17 45  06 29  06 58  07 46  01 33  06 01  12 31  10.9 10.9 100 1837-2055
 WED JAN 05  18 17  19 05  19 34         18 34  06 29  06 58  07 46  01 38  06 04  12 35  10.9 10.9 100 1928-2041
 THU JAN 06  18 18  19 05  19 35         19 26  06 29  06 58  07 46  01 43  06 08  12 38  10.9 10.9 100 2019-1930
 FRI JAN 07  18 19  19 06  19 35         20 19  06 29  06 58  07 46  01 47  06 12  12 42  10.9 10.2  93 2109-1724
 SAT JAN 08  18 19  19 07  19 36         21 15  06 29  06 59  07 46  01 52  06 16  12 46  10.9  9.2  84 2159-1431
 SUN JAN 09  18 20  19 08  19 37         22 11  06 29  06 59  07 46  01 57  06 20  12 50  10.9  8.3  76 2248-1055
 MON JAN 10  18 21  19 08  19 38         23 07  06 30  06 59  07 46  02 01  06 24  12 55  10.9  7.4  67 2336-0648
 TUE JAN 11  18 22  19 09  19 38         00 05  06 30  06 59  07 46  02 05  06 28  12 59  10.9  6.4  59 0025-0217
 WED JAN 12  18 23  19 10  19 39         01 04  06 30  06 59  07 46  02 10  06 32  13 03  10.9  5.4  50 0115+0226
 THU JAN 13  18 23  19 11  19 40         02 06  06 30  06 59  07 46  02 15  06 36  13 07  10.8  4.4  40 0206+0710
 FRI JAN 14  18 24  19 11  19 40         03 10  06 30  06 59  07 46  02 19  06 40  13 11  10.8  3.3  30 0300+1139
 SAT JAN 15  18 25  19 12  19 41         04 16  06 30  06 59  07 46  02 24  06 44  13 15  10.8  2.2  20 0356+1536
 SUN JAN 16  18 26  19 13  19 42         05 24  06 30  06 59  07 46  02 29  06 48  13 19  10.8  1.1  10 0457+1839
 MON JAN 17  18 27  19 14  19 43         06 30  06 29  06 58  07 45  02 34  06 52  13 22  10.8  0.0   0 0600+2030
 TUE JAN 18  18 28  19 15  19 44  16 56  07 33  06 29  06 58  07 45  02 39  06 56  13 26  10.7  0.0   0 0704+2055
 WED JAN 19  18 28  19 15  19 44  18 02         06 29  06 58  07 45  02 43  07 00  13 30  10.7  0.0   0 0808+1949
 THU JAN 20  18 29  19 16  19 45  19 10         06 29  06 58  07 45  02 48  07 04  13 34  10.7  0.0   0 0910+1722
 FRI JAN 21  18 30  19 17  19 46  20 17         06 29  06 58  07 44  02 53  07 08  13 38  10.7  0.5   4 1009+1351
 SAT JAN 22  18 31  19 18  19 47  21 21         06 29  06 57  07 44  02 58  07 12  13 42  10.7  1.6  14 1104+0938
 SUN JAN 23  18 32  19 19  19 47  22 23         06 28  06 57  07 44  03 02  07 15  13 45  10.7  2.6  24 1156+0503
 MON JAN 24  18 33  19 19  19 48  23 22         06 28  06 57  07 43  03 07  07 19  13 48  10.7  3.6  33 1245+0022
 TUE JAN 25  18 34  19 20  19 49  00 19         06 28  06 57  07 43  03 12  07 23  13 52  10.6  4.5  42 1333-0409
 WED JAN 26  18 35  19 21  19 50  01 14         06 28  06 56  07 42  03 17  07 27  13 56  10.6  5.4  50 1420-0824
 THU JAN 27  18 35  19 22  19 50  02 08         06 27  06 56  07 42  03 21  07 31  13 59  10.6  6.3  59 1507-1213
 FRI JAN 28  18 36  19 23  19 51  03 01         06 27  06 55  07 41  03 25  07 35  14 03  10.6  7.2  67 1554-1527
 SAT JAN 29  18 37  19 23  19 52  03 54         06 26  06 55  07 41  03 30  07 39  14 06  10.6  8.0  76 1643-1802
 SUN JAN 30  18 38  19 24  19 53  04 46         06 26  06 54  07 40  03 35  07 43  14 10  10.6  8.9  84 1732-1951
 MON JAN 31  18 39  19 25  19 53  05 36         06 26  06 54  07 40  03 39  07 47  14 14  10.6  9.7  92 1822-2048

                ONE LINE REFERS TO EVENING DATE    NEW MOON       JAN 06   18:17  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  JAN 14   13:37  UT
                All dates and times are zone CST   FULL MOON      JAN 21   04:43  UT
                in upper table (except sid time).  LAST QUARTER   JAN 28   07:59  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE FEB 01  18 40  19 26  19 54  06 24  16 29  06 25  06 53  07 39  03 44  07 51  14 17  10.5 10.5  99 1913-2049
 WED FEB 02  18 41  19 26  19 55  07 09  17 20  06 25  06 53  07 39  03 49  07 55  14 21  10.5 10.5 100 2005-1954
 THU FEB 03  18 41  19 27  19 56  07 51  18 13  06 24  06 52  07 38  03 54  07 59  14 24  10.5 10.5 100 2056-1802
 FRI FEB 04  18 42  19 28  19 56         19 09  06 23  06 52  07 37  03 58  08 03  14 27  10.5 10.5 100 2146-1519
 SAT FEB 05  18 43  19 29  19 57         20 05  06 23  06 51  07 37  04 03  08 07  14 31  10.4 10.3  98 2236-1151
 SUN FEB 06  18 44  19 30  19 58         21 02  06 22  06 51  07 36  04 08  08 11  14 34  10.4  9.3  89 2325-0747
 MON FEB 07  18 45  19 30  19 59         22 00  06 22  06 50  07 35  04 13  08 15  14 38  10.4  8.4  80 0014-0319
 TUE FEB 08  18 46  19 31  19 59         22 59  06 21  06 49  07 35  04 17  08 19  14 41  10.4  7.4  71 0103+0122
 WED FEB 09  18 47  19 32  20 00         23 59  06 20  06 49  07 34  04 22  08 22  14 44  10.3  6.3  61 0154+0605
 THU FEB 10  18 47  19 33  20 01         01 01  06 20  06 48  07 33  04 27  08 26  14 47  10.3  5.3  51 0246+1034
 FRI FEB 11  18 48  19 33  20 02         02 04  06 19  06 47  07 32  04 32  08 30  14 50  10.3  4.2  41 0340+1435
 SAT FEB 12  18 49  19 34  20 02         03 09  06 18  06 46  07 31  04 36  08 34  14 53  10.3  3.2  30 0437+1750
 SUN FEB 13  18 50  19 35  20 03         04 14  06 17  06 46  07 31  04 41  08 38  14 56  10.2  2.1  20 0537+2002
 MON FEB 14  18 51  19 36  20 04         05 16  06 17  06 45  07 30  04 46  08 42  15 00  10.2  1.0   9 0639+2057
 TUE FEB 15  18 51  19 36  20 04         06 14  06 16  06 44  07 29  04 49  08 46  15 03  10.2  0.0   0 0742+2028
 WED FEB 16  18 52  19 37  20 05  16 47  07 07  06 15  06 43  07 28  04 54  08 50  15 06  10.2  0.0   0 0843+1836
 THU FEB 17  18 53  19 38  20 06  17 54  07 54  06 14  06 42  07 27  04 59  08 54  15 09  10.1  0.0   0 0943+1532
 FRI FEB 18  18 54  19 39  20 07  19 00         06 13  06 41  07 26  05 04  08 58  15 12  10.1  0.0   0 1039+1134
 SAT FEB 19  18 55  19 39  20 07  20 04         06 12  06 40  07 25  05 08  09 02  15 15  10.1  0.0   0 1133+0703
 SUN FEB 20  18 55  19 40  20 08  21 05         06 12  06 39  07 24  05 13  09 06  15 19  10.1  1.0   9 1225+0216
 MON FEB 21  18 56  19 41  20 09  22 04         06 11  06 39  07 23  05 18  09 10  15 22  10.0  1.9  19 1314-0227
 TUE FEB 22  18 57  19 41  20 09  23 02         06 10  06 38  07 22  05 22  09 14  15 25  10.0  2.9  28 1403-0657
 WED FEB 23  18 58  19 42  20 10  23 57         06 09  06 37  07 21  05 27  09 18  15 28  10.0  3.8  37 1450-1102
 THU FEB 24  18 58  19 43  20 11  00 52         06 08  06 36  07 20  05 32  09 22  15 31  10.0  4.7  47 1538-1433
 FRI FEB 25  18 59  19 44  20 11  01 46         06 07  06 35  07 19  05 36  09 26  15 34   9.9  5.6  56 1627-1723
 SAT FEB 26  19 00  19 44  20 12  02 38         06 06  06 34  07 18  05 41  09 29  15 36   9.9  6.4  64 1716-1928
 SUN FEB 27  19 01  19 45  20 13  03 29         06 05  06 33  07 17  05 46  09 33  15 39   9.9  7.3  73 1806-2041
 MON FEB 28  19 01  19 46  20 14  04 18         06 04  06 31  07 16  05 51  09 37  15 42   9.8  8.1  82 1857-2059
 TUE FEB 29  19 02  19 46  20 14  05 04         06 03  06 30  07 15  05 55  09 41  15 45   9.8  8.8  89 1948-2021

                ONE LINE REFERS TO EVENING DATE    NEW MOON       FEB 05   13:07  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  FEB 12   23:23  UT
                All dates and times are zone CST   FULL MOON      FEB 19   16:29  UT
                in upper table (except sid time).  LAST QUARTER   FEB 27   03:56  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED MAR 01  19 03  19 47  20 15  05 47  16 04  06 01  06 29  07 14  06 00  09 45  15 47   9.8  9.5  97 2039-1846
 THU MAR 02  19 03  19 48  20 16  06 28  16 59  06 00  06 28  07 12  06 05  09 49  15 50   9.7  9.7 100 2130-1617
 FRI MAR 03  19 04  19 48  20 16  07 07  17 56  05 59  06 27  07 11  06 09  09 53  15 53   9.7  9.7 100 2221-1259
 SAT MAR 04  19 05  19 49  20 17  07 43  18 53  05 58  06 26  07 10  06 13  09 57  15 56   9.7  9.7 100 2311-0900
 SUN MAR 05  19 05  19 50  20 18         19 52  05 57  06 25  07 09  06 18  10 01  15 59   9.7  9.7 100 0000-0431
 MON MAR 06  19 06  19 50  20 18         20 52  05 56  06 24  07 08  06 22  10 05  16 02   9.6  9.1  94 0050+0014
 TUE MAR 07  19 07  19 51  20 19         21 52  05 55  06 23  07 07  06 27  10 09  16 05   9.6  8.0  83 0141+0505
 WED MAR 08  19 08  19 52  20 20         22 55  05 53  06 21  07 06  06 32  10 13  16 07   9.5  7.0  72 0233+0943
 THU MAR 09  19 08  19 52  20 20         23 58  05 52  06 20  07 04  06 36  10 17  16 10   9.5  5.9  61 0327+1354
 FRI MAR 10  19 09  19 53  20 21         01 02  05 51  06 19  07 03  06 41  10 21  16 13   9.5  4.8  50 0424+1720
 SAT MAR 11  19 10  19 54  20 22         02 06  05 50  06 18  07 02  06 46  10 25  16 16   9.5  3.7  39 0522+1946
 SUN MAR 12  19 10  19 54  20 22         03 08  05 49  06 17  07 01  06 50  10 29  16 19   9.4  2.7  28 0623+2059
 MON MAR 13  19 11  19 55  20 23         04 06  05 47  06 15  07 00  06 55  10 33  16 21   9.4  1.7  17 0723+2053
 TUE MAR 14  19 12  19 56  20 24         04 59  05 46  06 14  06 58  07 00  10 37  16 23   9.4  0.8   8 0824+1926
 WED MAR 15  19 12  19 56  20 25         05 46  05 45  06 13  06 57  07 05  10 40  16 26   9.3  0.0   0 0922+1647
 THU MAR 16  19 13  19 57  20 25  16 43  06 29  05 44  06 12  06 56  07 09  10 44  16 29   9.3  0.0   0 1019+1310
 FRI MAR 17  19 13  19 58  20 26  17 46  07 08  05 42  06 10  06 55  07 14  10 48  16 31   9.3  0.0   0 1113+0851
 SAT MAR 18  19 14  19 58  20 27  18 48  07 45  05 41  06 09  06 53  07 19  10 52  16 34   9.2  0.0   0 1204+0409
 SUN MAR 19  19 15  19 59  20 27  19 49         05 40  06 08  06 52  07 23  10 56  16 37   9.2  0.0   0 1254-0040
 MON MAR 20  19 15  20 00  20 28  20 47         05 38  06 07  06 51  07 28  11 00  16 39   9.2  0.3   3 1343-0521
 TUE MAR 21  19 16  20 00  20 29  21 44         05 37  06 05  06 50  07 33  11 04  16 42   9.1  1.2  13 1432-0941
 WED MAR 22  19 17  20 01  20 29  22 40         05 36  06 04  06 48  07 36  11 08  16 45   9.1  2.2  23 1521-1330
 THU MAR 23  19 17  20 02  20 30  23 35         05 34  06 03  06 47  07 41  11 12  16 47   9.1  3.1  34 1610-1640
 FRI MAR 24  19 18  20 02  20 31  00 29         05 33  06 02  06 46  07 46  11 16  16 50   9.0  4.0  43 1659-1903
 SAT MAR 25  19 19  20 03  20 32  01 21         05 32  06 00  06 45  07 51  11 20  16 53   9.0  4.8  53 1749-2035
 SUN MAR 26  19 19  20 04  20 32  02 11         05 30  05 59  06 44  07 55  11 24  16 55   9.0  5.7  63 1840-2112
 MON MAR 27  19 20  20 04  20 33  02 58         05 29  05 58  06 42  08 00  11 28  16 58   8.9  6.4  71 1931-2052
 TUE MAR 28  19 21  20 05  20 34  03 42         05 28  05 56  06 41  08 05  11 32  17 01   8.9  7.1  80 2022-1936
 WED MAR 29  19 21  20 06  20 35  04 23         05 26  05 55  06 40  08 10  11 36  17 03   8.8  7.8  88 2112-1724
 THU MAR 30  19 22  20 07  20 35  05 03         05 25  05 54  06 39  08 14  11 40  17 05   8.8  8.5  95 2203-1422
 FRI MAR 31  19 22  20 07  20 36  05 40  16 40  05 24  05 53  06 37  08 19  11 44  17 08   8.8  8.8 100 2253-1035

                ONE LINE REFERS TO EVENING DATE    NEW MOON       MAR 06   05:20  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  MAR 13   07:01  UT
                All dates and times are zone CST   FULL MOON      MAR 20   04:48  UT
                in upper table (except sid time).  LAST QUARTER   MAR 28   00:23  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT APR 01  19 23  20 08  20 37  06 16  17 39  05 22  05 51  06 36  08 24  11 47  17 10   8.8  8.8 100 2343-0612
 SUN APR 02  19 24  20 09  20 38  06 52  18 39  05 21  05 50  06 35  08 29  11 51  17 13   8.7  8.7 100 0033-0123
 MON APR 03  19 24  20 09  20 38  07 29  19 40  05 20  05 49  06 34  08 33  11 55  17 16   8.7  8.7 100 0124+0335
 TUE APR 04  19 25  20 10  20 39         20 43  05 18  05 47  06 32  08 38  11 59  17 18   8.7  8.6  99 0217+0828
 WED APR 05  19 26  20 11  20 40         21 48  05 17  05 46  06 31  08 43  12 03  17 21   8.6  7.5  86 0312+1258
 THU APR 06  19 26  20 11  20 41         22 54  05 16  05 45  06 30  08 48  12 07  17 24   8.6  6.4  74 0409+1645
 FRI APR 07  19 27  20 12  20 42         00 00  05 14  05 44  06 29  08 53  12 11  17 26   8.5  5.2  61 0508+1931
 SAT APR 08  19 27  20 13  20 42         01 03  05 13  05 42  06 28  08 57  12 15  17 29   8.5  4.2  48 0609+2104
 SUN APR 09  19 28  20 14  20 43         02 03  05 12  05 41  06 26  09 01  12 19  17 32   8.5  3.1  37 0710+2115
 MON APR 10  19 29  20 14  20 44         02 56  05 10  05 40  06 25  09 06  12 23  17 34   8.4  2.2  26 0810+2006
 TUE APR 11  19 29  20 15  20 45         03 45  05 09  05 38  06 24  09 11  12 27  17 37   8.4  1.4  16 0908+1744
 WED APR 12  19 30  20 16  20 46         04 28  05 07  05 37  06 23  09 16  12 31  17 39   8.4  0.7   7 1004+1422
 THU APR 13  19 31  20 17  20 46         05 07  05 06  05 36  06 22  09 20  12 35  17 42   8.3  0.0   0 1057+1016
 FRI APR 14  19 31  20 17  20 47  16 37  05 43  05 05  05 35  06 21  09 25  12 39  17 45   8.3  0.0   0 1148+0542
 SAT APR 15  19 32  20 18  20 48  17 37  06 18  05 03  05 34  06 20  09 30  12 43  17 47   8.3  0.0   0 1238+0055
 SUN APR 16  19 33  20 19  20 49  18 35  06 52  05 02  05 32  06 18  09 35  12 47  17 49   8.2  0.0   0 1327-0349
 MON APR 17  19 33  20 20  20 50  19 33  07 27  05 01  05 31  06 17  09 40  12 51  17 52   8.2  0.0   0 1415-0819
 TUE APR 18  19 34  20 20  20 51  20 29         05 00  05 30  06 16  09 45  12 55  17 55   8.1  0.0   0 1504-1222
 WED APR 19  19 35  20 21  20 52  21 25         04 58  05 29  06 15  09 50  12 58  17 57   8.1  0.5   6 1553-1549
 THU APR 20  19 35  20 22  20 52  22 20         04 57  05 27  06 14  09 54  13 02  18 00   8.1  1.5  18 1642-1832
 FRI APR 21  19 36  20 23  20 53  23 13         04 56  05 26  06 13  09 59  13 06  18 03   8.1  2.3  28 1732-2024
 SAT APR 22  19 37  20 23  20 54  00 04         04 54  05 25  06 12  10 04  13 10  18 05   8.0  3.2  39 1823-2121
 SUN APR 23  19 37  20 24  20 55  00 52         04 53  05 24  06 11  10 09  13 14  18 08   8.0  4.0  49 1914-2121
 MON APR 24  19 38  20 25  20 56  01 37         04 52  05 23  06 10  10 14  13 18  18 11   7.9  4.7  59 2005-2023
 TUE APR 25  19 39  20 26  20 57  02 19         04 51  05 22  06 09  10 19  13 22  18 14   7.9  5.4  67 2055-1830
 WED APR 26  19 39  20 27  20 58  02 59         04 49  05 21  06 08  10 24  13 26  18 16   7.8  6.0  76 2145-1546
 THU APR 27  19 40  20 27  20 59  03 36         04 48  05 19  06 07  10 28  13 30  18 19   7.8  6.6  84 2234-1216
 FRI APR 28  19 41  20 28  21 00  04 12         04 47  05 18  06 06  10 33  13 34  18 22   7.8  7.2  92 2323-0807
 SAT APR 29  19 41  20 29  21 01  04 47  16 22  04 46  05 17  06 05  10 38  13 38  18 25   7.8  7.8 100 0013-0327
 SUN APR 30  19 42  20 30  21 01  05 23  17 23  04 45  05 16  06 04  10 42  13 42  18 28   7.7  7.7 100 0104+0131

                ONE LINE REFERS TO EVENING DATE    NEW MOON       APR 04   18:14  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  APR 11   13:33  UT
                All dates and times are zone CST   FULL MOON      APR 18   17:45  UT
                in upper table (except sid time).  LAST QUARTER   APR 26   19:32  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON MAY 01  19 43  20 31  21 02  06 02  18 25  04 43  05 15  06 03  10 47  13 46  18 30   7.7  7.7 100 0156+0634
 TUE MAY 02  19 43  20 31  21 03  06 43  19 31  04 42  05 14  06 02  10 52  13 50  18 32   7.7  7.7 100 0251+1123
 WED MAY 03  19 44  20 32  21 04  07 29  20 38  04 41  05 13  06 01  10 57  13 54  18 35   7.6  7.6 100 0349+1537
 THU MAY 04  19 45  20 33  21 05         21 46  04 40  05 12  06 00  11 02  13 58  18 38   7.6  6.9  90 0449+1855
 FRI MAY 05  19 45  20 34  21 06         22 53  04 39  05 11  06 00  11 07  14 02  18 41   7.5  5.8  76 0551+2057
 SAT MAY 06  19 46  20 35  21 07         23 56  04 38  05 10  05 59  11 12  14 05  18 44   7.5  4.7  62 0654+2134
 SUN MAY 07  19 47  20 36  21 08         00 54  04 37  05 09  05 58  11 17  14 09  18 47   7.5  3.7  49 0756+2045
 MON MAY 08  19 48  20 36  21 09         01 44  04 36  05 08  05 57  11 22  14 13  18 50   7.5  2.9  38 0855+1837
 TUE MAY 09  19 48  20 37  21 10         02 29  04 35  05 07  05 56  11 27  14 17  18 53   7.4  2.1  28 0952+1525
 WED MAY 10  19 49  20 38  21 11         03 09  04 34  05 07  05 56  11 32  14 21  18 56   7.4  1.4  19 1046+1127
 THU MAY 11  19 50  20 39  21 12         03 45  04 33  05 06  05 55  11 37  14 25  18 59   7.3  0.8  10 1137+0658
 FRI MAY 12  19 50  20 40  21 13         04 20  04 32  05 05  05 54  11 42  14 29  19 02   7.3  0.2   2 1226+0215
 SAT MAY 13  19 51  20 40  21 14  16 28  04 53  04 31  05 04  05 54  11 47  14 33  19 05   7.3  0.0   0 1314-0229
 SUN MAY 14  19 52  20 41  21 15  17 25  05 27  04 30  05 03  05 53  11 52  14 37  19 08   7.2  0.0   0 1402-0703
 MON MAY 15  19 52  20 42  21 16  18 21  06 02  04 29  05 02  05 52  11 57  14 41  19 11   7.2  0.0   0 1449-1115
 TUE MAY 16  19 53  20 43  21 16  19 17  06 39  04 28  05 02  05 52  12 00  14 45  19 14   7.2  0.0   0 1538-1455
 WED MAY 17  19 54  20 44  21 17  20 12  07 19  04 27  05 01  05 51  12 05  14 49  19 17   7.2  0.0   0 1627-1753
 THU MAY 18  19 54  20 44  21 18  21 06         04 26  05 00  05 50  12 10  14 53  19 20   7.1  0.0   0 1717-2004
 FRI MAY 19  19 55  20 45  21 19  21 58         04 26  05 00  05 50  12 15  14 57  19 23   7.1  0.6   9 1808-2120
 SAT MAY 20  19 56  20 46  21 20  22 47         04 25  04 59  05 49  12 20  15 01  19 26   7.1  1.4  20 1859-2139
 SUN MAY 21  19 56  20 47  21 21  23 34         04 24  04 58  05 49  12 25  15 05  19 29   7.0  2.2  31 1950-2059
 MON MAY 22  19 57  20 48  21 22  00 17         04 23  04 58  05 48  12 30  15 09  19 32   7.0  2.9  41 2040-1924
 TUE MAY 23  19 58  20 48  21 23  00 56         04 23  04 57  05 48  12 35  15 12  19 36   7.0  3.6  50 2129-1657
 WED MAY 24  19 58  20 49  21 24  01 34         04 22  04 57  05 47  12 40  15 16  19 39   7.0  4.2  59 2218-1344
 THU MAY 25  19 59  20 50  21 24  02 09         04 21  04 56  05 47  12 44  15 20  19 42   7.0  4.8  68 2306-0952
 FRI MAY 26  19 59  20 51  21 25  02 44         04 21  04 56  05 47  12 49  15 24  19 46   6.9  5.3  76 2354-0527
 SAT MAY 27  20 00  20 51  21 26  03 18         04 20  04 55  05 46  12 54  15 28  19 49   6.9  5.9  85 0043-0039
 SUN MAY 28  20 01  20 52  21 27  03 55  16 06  04 20  04 55  05 46  12 59  15 32  19 53   6.9  6.5  93 0134+0421
 MON MAY 29  20 01  20 53  21 28  04 34  17 10  04 19  04 54  05 46  13 04  15 36  19 56   6.8  6.8 100 0227+0918
 TUE MAY 30  20 02  20 53  21 28  05 17  18 16  04 19  04 54  05 45  13 08  15 40  20 00   6.8  6.8 100 0324+1352
 WED MAY 31  20 02  20 54  21 29  06 06  19 25  04 18  04 54  05 45  13 13  15 44  20 03   6.8  6.8 100 0423+1741

                ONE LINE REFERS TO EVENING DATE    NEW MOON       MAY 04   04:14  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  MAY 10   20:03  UT
                All dates and times are zone CST   FULL MOON      MAY 18   07:36  UT
                in upper table (except sid time).  LAST QUARTER   MAY 26   11:58  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU JUN 01  20 03  20 55  21 30  07 01  20 34  04 18  04 53  05 45  13 18  15 48  20 07   6.8  6.8 100 0526+2022
 FRI JUN 02  20 03  20 55  21 31         21 41  04 17  04 53  05 45  13 23  15 52  20 10   6.8  6.6  97 0630+2138
 SAT JUN 03  20 04  20 56  21 31         22 44  04 17  04 53  05 44  13 26  15 56  20 14   6.8  5.5  82 0735+2120
 SUN JUN 04  20 04  20 56  21 32         23 39  04 17  04 52  05 44  13 31  16 00  20 18   6.8  4.6  68 0838+1934
 MON JUN 05  20 05  20 57  21 33         00 27  04 16  04 52  05 44  13 36  16 04  20 20   6.7  3.8  56 0937+1635
 TUE JUN 06  20 05  20 58  21 33         01 10  04 16  04 52  05 44  13 40  16 08  20 24   6.7  3.1  46 1033+1242
 WED JUN 07  20 06  20 58  21 34         01 48  04 16  04 52  05 44  13 45  16 12  20 28   6.7  2.5  36 1125+0815
 THU JUN 08  20 06  20 59  21 35         02 23  04 16  04 52  05 44  13 50  16 16  20 32   6.7  1.9  28 1215+0331
 FRI JUN 09  20 07  20 59  21 35         02 56  04 16  04 52  05 44  13 54  16 20  20 36   6.7  1.3  19 1303-0115
 SAT JUN 10  20 07  21 00  21 36         03 29  04 15  04 51  05 44  13 59  16 23  20 39   6.6  0.8  11 1351-0553
 SUN JUN 11  20 08  21 00  21 36  16 16  04 03  04 15  04 51  05 44  14 03  16 27  20 43   6.6  0.2   3 1438-1011
 MON JUN 12  20 08  21 01  21 37  17 11  04 39  04 15  04 51  05 44  14 08  16 31  20 47   6.6  0.0   0 1526-1400
 TUE JUN 13  20 08  21 01  21 37  18 06  05 18  04 15  04 51  05 44  14 12  16 35  20 51   6.6  0.0   0 1614-1710
 WED JUN 14  20 09  21 01  21 38  19 00  05 59  04 15  04 51  05 44  14 17  16 39  20 55   6.6  0.0   0 1704-1935
 THU JUN 15  20 09  21 02  21 38  19 53  06 44  04 15  04 52  05 44  14 21  16 43  20 59   6.6  0.0   0 1754-2107
 FRI JUN 16  20 09  21 02  21 38  20 43  07 32  04 15  04 52  05 44  14 25  16 47  21 03   6.6  0.0   0 1845-2144
 SAT JUN 17  20 10  21 02  21 39  21 31         04 15  04 52  05 44  14 30  16 51  21 07   6.6  0.0   0 1936-2122
 SUN JUN 18  20 10  21 03  21 39  22 15         04 16  04 52  05 45  14 34  16 55  21 12   6.6  0.6   9 2026-2003
 MON JUN 19  20 10  21 03  21 39  22 56         04 16  04 52  05 45  14 38  16 59  21 16   6.6  1.3  19 2116-1750
 TUE JUN 20  20 11  21 03  21 39  23 34         04 16  04 52  05 45  14 42  17 03  21 20   6.6  1.9  28 2205-1451
 WED JUN 21  20 11  21 03  21 40  00 09         04 16  04 53  05 45  14 46  17 07  21 24   6.6  2.5  37 2252-1112
 THU JUN 22  20 11  21 04  21 40  00 43         04 16  04 53  05 45  14 50  17 11  21 27   6.6  3.1  46 2340-0700
 FRI JUN 23  20 11  21 04  21 40  01 17         04 17  04 53  05 46  14 54  17 15  21 32   6.6  3.6  54 0027-0225
 SAT JUN 24  20 11  21 04  21 40  01 51         04 17  04 53  05 46  14 58  17 19  21 36   6.6  4.2  63 0116+0224
 SUN JUN 25  20 11  21 04  21 40  02 27         04 17  04 54  05 46  15 02  17 23  21 40   6.6  4.8  72 0206+0717
 MON JUN 26  20 12  21 04  21 40  03 07         04 18  04 54  05 47  15 06  17 27  21 45   6.6  5.5  82 0300+1157
 TUE JUN 27  20 12  21 04  21 40  03 52  17 01  04 18  04 54  05 47  15 10  17 30  21 49   6.6  6.2  93 0357+1605
 WED JUN 28  20 12  21 04  21 40  04 44  18 10  04 19  04 55  05 47  15 14  17 34  21 54   6.7  6.7 100 0458+1919
 THU JUN 29  20 12  21 04  21 40  05 42  19 19  04 19  04 55  05 48  15 18  17 38  21 58   6.7  6.7 100 0602+2116
 FRI JUN 30  20 12  21 04  21 40  06 47  20 25  04 20  04 56  05 48  15 22  17 42  22 03   6.7  6.7 100 0707+2141

                ONE LINE REFERS TO EVENING DATE    NEW MOON       JUN 02   12:16  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  JUN 09   03:32  UT
                All dates and times are zone CST   FULL MOON      JUN 16   22:29  UT
                in upper table (except sid time).  LAST QUARTER   JUN 25   01:03  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT JUL 01  20 12  21 04  21 40  07 56  21 25  04 20  04 56  05 48  15 26  17 46  22 07   6.7  6.7 100 0812+2031
 SUN JUL 02  20 12  21 04  21 40         22 18  04 21  04 57  05 49  15 30  17 50  22 12   6.7  6.1  90 0915+1755
 MON JUL 03  20 12  21 04  21 40         23 05  04 21  04 57  05 49  15 34  17 54  22 16   6.7  5.3  78 1014+1413
 TUE JUL 04  20 11  21 04  21 39         23 46  04 22  04 58  05 50  15 37  17 58  22 21   6.7  4.6  68 1109+0947
 WED JUL 05  20 11  21 03  21 39         00 23  04 22  04 58  05 50  15 41  18 02  22 25   6.7  4.0  59 1201+0459
 THU JUL 06  20 11  21 03  21 39         00 58  04 23  04 59  05 51  15 45  18 06  22 30   6.7  3.4  50 1251+0005
 FRI JUL 07  20 11  21 03  21 39         01 31  04 24  04 59  05 51  15 49  18 10  22 35   6.8  2.9  42 1339-0440
 SAT JUL 08  20 11  21 03  21 38         02 05  04 24  05 00  05 52  15 51  18 14  22 39   6.8  2.3  34 1427-0906
 SUN JUL 09  20 11  21 02  21 38         02 40  04 25  05 00  05 52  15 55  18 18  22 44   6.8  1.7  25 1514-1304
 MON JUL 10  20 10  21 02  21 37  16 01  03 18  04 26  05 01  05 53  15 58  18 22  22 48   6.8  1.1  16 1602-1625
 TUE JUL 11  20 10  21 02  21 37  16 56  03 58  04 26  05 02  05 53  16 02  18 26  22 52   6.8  0.5   6 1652-1902
 WED JUL 12  20 10  21 01  21 36  17 49  04 41  04 27  05 02  05 54  16 05  18 30  22 57   6.8  0.0   0 1742-2048
 THU JUL 13  20 10  21 01  21 36  18 40  05 28  04 28  05 03  05 54  16 09  18 34  23 02   6.9  0.0   0 1832-2140
 FRI JUL 14  20 09  21 00  21 35  19 28  06 18  04 29  05 04  05 55  16 12  18 38  23 07   6.9  0.0   0 1923-2133
 SAT JUL 15  20 09  21 00  21 35  20 14  07 10  04 30  05 04  05 56  16 16  18 41  23 12   6.9  0.0   0 2014-2029
 SUN JUL 16  20 08  20 59  21 34  20 56         04 30  05 05  05 56  16 19  18 45  23 16   6.9  0.0   0 2104-1830
 MON JUL 17  20 08  20 59  21 34  21 35         04 31  05 06  05 57  16 23  18 49  23 21   6.9  0.0   0 2153-1541
 TUE JUL 18  20 08  20 58  21 33  22 11         04 32  05 06  05 57  16 26  18 53  23 26   7.0  0.6   9 2241-1211
 WED JUL 19  20 07  20 58  21 32  22 45         04 33  05 07  05 58  16 29  18 57  23 31   7.0  1.2  17 2328-0808
 THU JUL 20  20 07  20 57  21 31  23 18         04 34  05 08  05 58  16 32  19 01  23 36   7.1  1.8  25 0015-0340
 FRI JUL 21  20 06  20 57  21 31  23 51         04 34  05 09  05 59  16 36  19 05  23 40   7.1  2.3  33 0102+0101
 SAT JUL 22  20 06  20 56  21 30  00 26         04 35  05 09  06 00  16 39  19 09  23 45   7.1  2.9  41 0151+0547
 SUN JUL 23  20 05  20 55  21 29  01 02         04 36  05 10  06 00  16 42  19 13  23 50   7.1  3.5  49 0242+1025
 MON JUL 24  20 04  20 54  21 28  01 43         04 37  05 11  06 01  16 45  19 17  23 55   7.1  4.2  59 0336+1438
 TUE JUL 25  20 04  20 54  21 27  02 30         04 38  05 12  06 02  16 47  19 21  00 00   7.2  5.0  70 0433+1809
 WED JUL 26  20 03  20 53  21 27  03 24  16 57  04 39  05 12  06 02  16 51  19 25  00 05   7.2  5.9  82 0534+2037
 THU JUL 27  20 02  20 52  21 26  04 25  18 03  04 40  05 13  06 03  16 54  19 29  00 10   7.2  7.0  96 0638+2142
 FRI JUL 28  20 02  20 51  21 25  05 31  19 06  04 41  05 14  06 03  16 57  19 33  00 14   7.3  7.3 100 0743+2114
 SAT JUL 29  20 01  20 51  21 24  06 41  20 03  04 41  05 15  06 04  17 00  19 37  00 18   7.3  7.3 100 0847+1914
 SUN JUL 30  20 00  20 50  21 23  07 50  20 54  04 42  05 15  06 05  17 03  19 41  00 23   7.3  7.3 100 0949+1555
 MON JUL 31  20 00  20 49  21 22         21 39  04 43  05 16  06 05  17 06  19 45  00 28   7.3  7.1  96 1047+1139

                ONE LINE REFERS TO EVENING DATE    NEW MOON       JUL 01   19:22  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  JUL 08   12:55  UT
                All dates and times are zone CST   FULL MOON      JUL 16   13:59  UT
                in upper table (except sid time).  LAST QUARTER   JUL 24   11:05  UT
                                                   NEW MOON       JUL 31   02:28  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE AUG 01  19 59  20 48  21 21         22 19  04 44  05 17  06 06  17 09  19 48  00 33   7.4  6.4  86 1142+0649
 WED AUG 02  19 58  20 47  21 20         22 56  04 45  05 18  06 07  17 12  19 52  00 38   7.4  5.8  78 1234+0146
 THU AUG 03  19 57  20 46  21 19         23 31  04 46  05 19  06 07  17 15  19 56  00 43   7.4  5.2  70 1324-0311
 FRI AUG 04  19 56  20 45  21 18         00 05  04 47  05 19  06 08  17 18  20 00  00 48   7.5  4.7  62 1413-0751
 SAT AUG 05  19 56  20 44  21 17         00 40  04 48  05 20  06 09  17 21  20 04  00 53   7.5  4.1  54 1501-1203
 SUN AUG 06  19 55  20 43  21 15         01 17  04 49  05 21  06 09  17 23  20 08  00 58   7.6  3.5  46 1549-1537
 MON AUG 07  19 54  20 42  21 14         01 56  04 50  05 22  06 10  17 26  20 12  01 03   7.6  2.9  38 1639-1828
 TUE AUG 08  19 53  20 41  21 13         02 39  04 50  05 22  06 11  17 29  20 16  01 07   7.6  2.2  28 1728-2028
 WED AUG 09  19 52  20 40  21 12  16 35  03 25  04 51  05 23  06 11  17 32  20 20  01 12   7.6  1.4  18 1819-2133
 THU AUG 10  19 51  20 39  21 11  17 25  04 14  04 52  05 24  06 12  17 34  20 24  01 17   7.7  0.6   8 1910-2141
 FRI AUG 11  19 50  20 38  21 10  18 11  05 05  04 53  05 25  06 12  17 37  20 28  01 22   7.7  0.0   0 2001-2051
 SAT AUG 12  19 49  20 37  21 08  18 55  05 58  04 54  05 25  06 13  17 39  20 32  01 27   7.8  0.0   0 2051-1905
 SUN AUG 13  19 48  20 36  21 07  19 35  06 53  04 55  05 26  06 14  17 42  20 36  01 32   7.8  0.0   0 2140-1627
 MON AUG 14  19 47  20 35  21 06  20 12  07 48  04 56  05 27  06 14  17 45  20 40  01 37   7.8  0.0   0 2229-1305
 TUE AUG 15  19 46  20 33  21 05  20 47         04 56  05 28  06 15  17 48  20 44  01 40   7.8  0.0   0 2316-0906
 WED AUG 16  19 45  20 32  21 03  21 20         04 57  05 28  06 16  17 50  20 48  01 45   7.9  0.3   3 0004-0441
 THU AUG 17  19 44  20 31  21 02  21 53         04 58  05 29  06 16  17 53  20 52  01 50   7.9  0.9  10 0051-0000
 FRI AUG 18  19 43  20 30  21 01  22 27         04 59  05 30  06 17  17 56  20 56  01 55   8.0  1.4  17 0139+0445
 SAT AUG 19  19 42  20 29  20 59  23 02         05 00  05 31  06 17  17 58  20 59  02 00   8.0  2.0  25 0229+0923
 SUN AUG 20  19 41  20 28  20 58  23 41         05 01  05 31  06 18  18 01  21 03  02 05   8.0  2.7  33 0321+1339
 MON AUG 21  19 40  20 26  20 57  00 24         05 02  05 32  06 19  18 04  21 07  02 10   8.1  3.4  42 0416+1718
 TUE AUG 22  19 39  20 25  20 56  01 13         05 02  05 33  06 19  18 07  21 11  02 14   8.1  4.3  52 0514+2002
 WED AUG 23  19 38  20 24  20 54  02 09         05 03  05 33  06 20  18 09  21 15  02 19   8.2  5.3  64 0615+2133
 THU AUG 24  19 36  20 23  20 53  03 11  16 50  05 04  05 34  06 20  18 12  21 19  02 24   8.2  6.3  76 0718+2140
 FRI AUG 25  19 35  20 21  20 52  04 18  17 48  05 05  05 35  06 21  18 15  21 23  02 29   8.2  7.4  90 0821+2017
 SAT AUG 26  19 34  20 20  20 50  05 27  18 41  05 06  05 36  06 22  18 17  21 27  02 34   8.3  8.3 100 0923+1729
 SUN AUG 27  19 33  20 19  20 49  06 35  19 28  05 06  05 36  06 22  18 19  21 31  02 38   8.3  8.3 100 1022+1335
 MON AUG 28  19 32  20 18  20 47  07 42  20 11  05 07  05 37  06 23  18 21  21 35  02 43   8.3  8.3 100 1119+0853
 TUE AUG 29  19 31  20 16  20 46         20 49  05 08  05 38  06 23  18 24  21 39  02 48   8.4  8.3  99 1212+0347
 WED AUG 30  19 29  20 15  20 45         21 26  05 09  05 38  06 24  18 27  21 43  02 53   8.4  7.7  91 1304-0121
 THU AUG 31  19 28  20 14  20 43         22 01  05 09  05 39  06 25  18 29  21 47  02 57   8.4  7.1  84 1354-0618

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  AUG 07   01:05  UT
                AND FOLLOWING MORNING.             FULL MOON      AUG 15   05:17  UT
                All dates and times are zone CST   LAST QUARTER   AUG 22   18:54  UT
                in upper table (except sid time).  NEW MOON       AUG 29   10:22  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI SEP 01  19 27  20 12  20 42         22 37  05 10  05 40  06 25  18 32  21 51  03 02   8.5  6.5  77 1444-1048
 SAT SEP 02  19 26  20 11  20 41         23 14  05 11  05 40  06 26  18 35  21 55  03 06   8.5  5.9  69 1533-1441
 SUN SEP 03  19 25  20 10  20 39         23 53  05 12  05 41  06 26  18 37  21 59  03 11   8.6  5.3  62 1623-1749
 MON SEP 04  19 23  20 08  20 38         00 35  05 12  05 42  06 27  18 40  22 03  03 15   8.6  4.6  53 1713-2007
 TUE SEP 05  19 22  20 07  20 36         01 19  05 13  05 42  06 27  18 42  22 06  03 20   8.6  3.9  45 1804-2129
 WED SEP 06  19 21  20 06  20 35         02 07  05 14  05 43  06 28  18 45  22 10  03 25   8.6  3.1  36 1855-2153
 THU SEP 07  19 20  20 05  20 34  16 07  02 58  05 15  05 44  06 29  18 48  22 14  03 30   8.7  2.3  26 1946-2118
 FRI SEP 08  19 18  20 03  20 32  16 52  03 51  05 15  05 44  06 29  18 50  22 18  03 34   8.7  1.4  16 2037-1946
 SAT SEP 09  19 17  20 02  20 31  17 33  04 45  05 16  05 45  06 30  18 53  22 22  03 39   8.8  0.5   5 2126-1720
 SUN SEP 10  19 16  20 01  20 29  18 11  05 41  05 17  05 45  06 30  18 55  22 26  03 44   8.8  0.0   0 2215-1407
 MON SEP 11  19 14  19 59  20 28  18 47  06 37  05 17  05 46  06 31  18 58  22 30  03 48   8.8  0.0   0 2303-1014
 TUE SEP 12  19 13  19 58  20 27  19 21  07 34  05 18  05 47  06 31  19 00  22 34  03 53   8.8  0.0   0 2351-0550
 WED SEP 13  19 12  19 57  20 25  19 55         05 19  05 47  06 32  19 02  22 38  03 58   8.9  0.0   0 0039-0106
 THU SEP 14  19 11  19 55  20 24  20 28         05 19  05 48  06 33  19 05  22 42  04 02   8.9  0.1   0 0127+0345
 FRI SEP 15  19 09  19 54  20 22  21 03         05 20  05 49  06 33  19 07  22 46  04 07   9.0  0.7   7 0217+0830
 SAT SEP 16  19 08  19 53  20 21  21 41         05 21  05 49  06 34  19 10  22 50  04 12   9.0  1.3  14 0309+1256
 SUN SEP 17  19 07  19 51  20 20  22 22         05 21  05 50  06 34  19 13  22 54  04 16   9.0  2.0  22 0403+1645
 MON SEP 18  19 06  19 50  20 18  23 09         05 22  05 50  06 35  19 15  22 58  04 21   9.1  2.9  31 0500+1941
 TUE SEP 19  19 04  19 49  20 17  00 01         05 23  05 51  06 35  19 18  23 02  04 26   9.1  3.7  41 0559+2129
 WED SEP 20  19 03  19 47  20 16  01 00         05 23  05 52  06 36  19 21  23 06  04 29   9.1  4.7  51 0700+2158
 THU SEP 21  19 02  19 46  20 14  02 03         05 24  05 52  06 37  19 23  23 10  04 34   9.2  5.8  63 0801+2102
 FRI SEP 22  19 00  19 45  20 13  03 09  16 33  05 25  05 53  06 37  19 26  23 13  04 39   9.2  6.9  75 0902+1843
 SAT SEP 23  18 59  19 43  20 12  04 16  17 20  05 25  05 53  06 38  19 29  23 17  04 43   9.2  8.1  87 1000+1514
 SUN SEP 24  18 58  19 42  20 10  05 22  18 03  05 26  05 54  06 38  19 31  23 21  04 48   9.3  9.2  99 1057+1050
 MON SEP 25  18 57  19 41  20 09  06 27  18 43  05 26  05 55  06 39  19 34  23 25  04 52   9.3  9.3 100 1151+0552
 TUE SEP 26  18 55  19 40  20 08  07 30  19 20  05 27  05 55  06 39  19 37  23 29  04 57   9.3  9.3 100 1243+0039
 WED SEP 27  18 54  19 38  20 06         19 56  05 28  05 56  06 40  19 39  23 33  05 02   9.4  9.4 100 1334-0427
 THU SEP 28  18 53  19 37  20 05         20 32  05 28  05 56  06 41  19 42  23 37  05 06   9.4  8.9  95 1424-0915
 FRI SEP 29  18 52  19 36  20 04         21 08  05 29  05 57  06 41  19 44  23 41  05 11   9.4  8.3  88 1515-1329
 SAT SEP 30  18 50  19 34  20 02         21 47  05 30  05 58  06 42  19 46  23 45  05 16   9.5  7.7  81 1605-1700

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  SEP 05   16:31  UT
                AND FOLLOWING MORNING.             FULL MOON      SEP 13   19:40  UT
                All dates and times are zone CST   LAST QUARTER   SEP 21   01:32  UT
                in upper table (except sid time).  NEW MOON       SEP 27   19:56  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN OCT 01  18 49  19 33  20 01         22 28  05 30  05 58  06 42  19 49  23 49  05 20   9.5  7.0  74 1656-1939
 MON OCT 02  18 48  19 32  20 00         23 12  05 31  05 59  06 43  19 52  23 53  05 25   9.5  6.3  66 1747-2122
 TUE OCT 03  18 47  19 31  19 59         23 59  05 31  05 59  06 44  19 55  23 57  05 29   9.5  5.5  58 1839-2206
 WED OCT 04  18 45  19 30  19 58         00 49  05 32  06 00  06 44  19 58  00 01  05 34   9.6  4.7  49 1930-2149
 THU OCT 05  18 44  19 28  19 56         01 41  05 33  06 01  06 45  20 00  00 05  05 39   9.6  3.9  40 2020-2034
 FRI OCT 06  18 43  19 27  19 55         02 35  05 33  06 01  06 45  20 03  00 09  05 43   9.6  3.0  30 2110-1824
 SAT OCT 07  18 42  19 26  19 54  16 09  03 30  05 34  06 02  06 46  20 06  00 13  05 48   9.7  2.1  21 2159-1524
 SUN OCT 08  18 41  19 25  19 53  16 45  04 26  05 35  06 02  06 47  20 09  00 17  05 52   9.7  1.2  11 2247-1141
 MON OCT 09  18 39  19 24  19 52  17 20  05 23  05 35  06 03  06 47  20 12  00 21  05 56   9.7  0.2   2 2335-0723
 TUE OCT 10  18 38  19 23  19 50  17 54  06 21  05 36  06 04  06 48  20 14  00 24  06 01   9.8  0.0   0 0023-0239
 WED OCT 11  18 37  19 21  19 49  18 27  07 20  05 36  06 04  06 49  20 17  00 28  06 05   9.8  0.0   0 0112+0217
 THU OCT 12  18 36  19 20  19 48  19 02         05 37  06 05  06 49  20 20  00 32  06 10   9.8  0.0   0 0202+0714
 FRI OCT 13  18 35  19 19  19 47  19 39         05 38  06 06  06 50  20 23  00 36  06 15   9.9  0.0   0 0254+1155
 SAT OCT 14  18 34  19 18  19 46  20 20         05 38  06 06  06 51  20 26  00 40  06 19   9.9  0.6   5 0349+1603
 SUN OCT 15  18 33  19 17  19 45  21 06         05 39  06 07  06 51  20 28  00 44  06 24   9.9  1.4  13 0446+1919
 MON OCT 16  18 32  19 16  19 44  21 57         05 40  06 07  06 52  20 31  00 48  06 29   9.9  2.2  22 0545+2126
 TUE OCT 17  18 30  19 15  19 43  22 54         05 40  06 08  06 53  20 34  00 52  06 33   9.9  3.2  31 0646+2214
 WED OCT 18  18 29  19 14  19 42  23 55         05 41  06 09  06 53  20 37  00 56  06 38  10.0  4.2  42 0747+2137
 THU OCT 19  18 28  19 13  19 41  01 00         05 41  06 09  06 54  20 40  01 00  06 42  10.0  5.3  53 0847+1939
 FRI OCT 20  18 27  19 12  19 40  02 05         05 42  06 10  06 55  20 43  01 04  06 47  10.0  6.4  63 0945+1629
 SAT OCT 21  18 26  19 11  19 39  03 10  16 01  05 43  06 11  06 55  20 46  01 08  06 52  10.1  7.5  74 1040+1222
 SUN OCT 22  18 25  19 10  19 38  04 13  16 40  05 43  06 11  06 56  20 49  01 12  06 56  10.1  8.6  85 1134+0737
 MON OCT 23  18 24  19 09  19 37  05 15  17 17  05 44  06 12  06 57  20 52  01 16  07 01  10.1  9.6  95 1225+0231
 TUE OCT 24  18 23  19 08  19 36  06 16  17 52  05 45  06 13  06 58  20 55  01 20  07 06  10.1 10.1 100 1316-0238
 WED OCT 25  18 22  19 07  19 35  07 16  18 27  05 45  06 13  06 58  20 58  01 24  07 10  10.2 10.2 100 1406-0735
 THU OCT 26  18 21  19 06  19 34         19 03  05 46  06 14  06 59  21 01  01 28  07 14  10.2 10.2 100 1456-1205
 FRI OCT 27  18 21  19 05  19 34         19 41  05 47  06 15  07 00  21 05  01 31  07 19  10.2 10.1  98 1546-1557
 SAT OCT 28  18 20  19 05  19 33         20 21  05 47  06 15  07 01  21 08  01 35  07 23  10.2  9.4  92 1637-1859
 SUN OCT 29  18 19  19 04  19 32         21 05  05 48  06 16  07 01  21 11  01 39  07 28  10.3  8.7  84 1729-2106
 MON OCT 30  18 18  19 03  19 31         21 51  05 49  06 17  07 02  21 14  01 43  07 33  10.3  8.0  77 1821-2212
 TUE OCT 31  18 17  19 02  19 30         22 40  05 49  06 18  07 03  21 17  01 47  07 37  10.3  7.2  69 1913-2217

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  OCT 05   11:03  UT
                AND FOLLOWING MORNING.             FULL MOON      OCT 13   08:55  UT
                All dates and times are zone CST   LAST QUARTER   OCT 20   08:03  UT
                in upper table (except sid time).  NEW MOON       OCT 27   08:00  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED NOV 01  18 16  19 01  19 30         23 31  05 50  06 18  07 04  21 20  01 51  07 42  10.3  6.3  61 2004-2121
 THU NOV 02  18 15  19 01  19 29         00 24  05 51  06 19  07 04  21 23  01 55  07 47  10.4  5.4  52 2053-1930
 FRI NOV 03  18 15  19 00  19 28         01 18  05 51  06 20  07 05  21 26  01 59  07 51  10.4  4.5  43 2142-1647
 SAT NOV 04  18 14  18 59  19 28         02 13  05 52  06 20  07 06  21 30  02 03  07 56  10.4  3.7  35 2230-1319
 SUN NOV 05  18 13  18 59  19 27         03 09  05 53  06 21  07 07  21 33  02 07  08 01  10.4  2.7  26 2318-0914
 MON NOV 06  18 12  18 58  19 26         04 06  05 54  06 22  07 08  21 36  02 11  08 06  10.5  1.8  17 0005-0438
 TUE NOV 07  18 12  18 57  19 26  16 24  05 04  05 54  06 23  07 08  21 40  02 15  08 10  10.5  0.8   7 0053+0016
 WED NOV 08  18 11  18 57  19 25  16 58  06 05  05 55  06 23  07 09  21 43  02 19  08 15  10.5  0.0   0 0143+0519
 THU NOV 09  18 10  18 56  19 25  17 34  07 09  05 56  06 24  07 10  21 47  02 23  08 20  10.5  0.0   0 0235+1015
 FRI NOV 10  18 10  18 56  19 24  18 14         05 56  06 25  07 11  21 50  02 27  08 24  10.5  0.0   0 0329+1445
 SAT NOV 11  18 09  18 55  19 24  18 58         05 57  06 26  07 12  21 54  02 31  08 29  10.6  0.0   0 0427+1829
 SUN NOV 12  18 09  18 55  19 23  19 49         05 58  06 26  07 12  21 57  02 35  08 34  10.6  0.4   4 0527+2106
 MON NOV 13  18 08  18 54  19 23  20 45         05 58  06 27  07 13  22 01  02 39  08 37  10.6  1.4  12 0630+2222
 TUE NOV 14  18 08  18 54  19 22  21 47         05 59  06 28  07 14  22 04  02 42  08 42  10.6  2.4  22 0732+2207
 WED NOV 15  18 07  18 53  19 22  22 52         06 00  06 29  07 15  22 08  02 46  08 47  10.6  3.5  32 0834+2027
 THU NOV 16  18 07  18 53  19 22  23 58         06 01  06 29  07 16  22 12  02 50  08 52  10.7  4.6  43 0932+1730
 FRI NOV 17  18 06  18 53  19 21  01 03         06 01  06 30  07 17  22 15  02 54  08 56  10.7  5.7  53 1028+1335
 SAT NOV 18  18 06  18 52  19 21  02 06         06 02  06 31  07 17  22 18  02 58  09 01  10.7  6.7  63 1121+0859
 SUN NOV 19  18 05  18 52  19 21  03 07         06 03  06 32  07 18  22 22  03 02  09 06  10.7  7.8  72 1212+0400
 MON NOV 20  18 05  18 52  19 21  04 07         06 04  06 32  07 19  22 26  03 06  09 11  10.7  8.8  81 1302-0105
 TUE NOV 21  18 05  18 51  19 20  05 06  16 27  06 04  06 33  07 20  22 29  03 10  09 15  10.7  9.8  90 1351-0604
 WED NOV 22  18 04  18 51  19 20  06 05  17 02  06 05  06 34  07 21  22 33  03 14  09 20  10.7 10.7 100 1440-1043
 THU NOV 23  18 04  18 51  19 20  07 03  17 38  06 06  06 35  07 22  22 37  03 18  09 25  10.8 10.8 100 1530-1447
 FRI NOV 24  18 04  18 51  19 20  08 00  18 17  06 06  06 35  07 22  22 41  03 22  09 29  10.8 10.8 100 1620-1808
 SAT NOV 25  18 04  18 51  19 20         18 59  06 07  06 36  07 23  22 45  03 26  09 34  10.8 10.8 100 1712-2036
 SUN NOV 26  18 04  18 51  19 20         19 44  06 08  06 37  07 24  22 49  03 30  09 39  10.8 10.4  96 1804-2205
 MON NOV 27  18 03  18 51  19 20         20 32  06 09  06 38  07 25  22 53  03 34  09 44  10.8  9.6  88 1856-2232
 TUE NOV 28  18 03  18 50  19 20         21 23  06 09  06 38  07 26  22 57  03 38  09 48  10.8  8.8  81 1947-2157
 WED NOV 29  18 03  18 50  19 20         22 15  06 10  06 39  07 27  23 01  03 42  09 53  10.8  7.9  73 2038-2024
 THU NOV 30  18 03  18 50  19 20         23 08  06 11  06 40  07 27  23 05  03 46  09 58  10.8  7.1  64 2127-1758

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  NOV 04   07:31  UT
                AND FOLLOWING MORNING.             FULL MOON      NOV 11   21:18  UT
                All dates and times are zone CST   LAST QUARTER   NOV 18   15:28  UT
                in upper table (except sid time).  NEW MOON       NOV 25   23:13  UT
1




                                MCDO OBSERVATORY CALENDAR FOR 2000  -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
    2000      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI DEC 01  18 03  18 50  19 20         00 02  06 11  06 41  07 28  23 09  03 49  10 01  10.8  6.2  56 2214-1447
 SAT DEC 02  18 03  18 50  19 20         00 57  06 12  06 41  07 29  23 13  03 53  10 06  10.9  5.2  48 2301-1057
 SUN DEC 03  18 03  18 51  19 20         01 52  06 13  06 42  07 30  23 17  03 57  10 11  10.9  4.4  39 2347-0636
 MON DEC 04  18 03  18 51  19 20         02 48  06 14  06 43  07 30  23 21  04 01  10 16  10.9  3.4  31 0034-0152
 TUE DEC 05  18 03  18 51  19 20         03 47  06 14  06 44  07 31  23 24  04 05  10 20  10.9  2.4  22 0122+0305
 WED DEC 06  18 03  18 51  19 20         04 48  06 15  06 44  07 32  23 28  04 09  10 25  10.9  1.4  13 0212+0803
 THU DEC 07  18 03  18 51  19 20  16 05  05 52  06 16  06 45  07 33  23 32  04 13  10 30  10.9  0.4   3 0305+1248
 FRI DEC 08  18 04  18 51  19 21  16 47  07 00  06 16  06 46  07 33  23 37  04 17  10 34  10.9  0.0   0 0402+1658
 SAT DEC 09  18 04  18 51  19 21  17 35         06 17  06 46  07 34  23 41  04 21  10 39  10.9  0.0   0 0502+2012
 SUN DEC 10  18 04  18 52  19 21  18 30         06 18  06 47  07 35  23 45  04 25  10 44  10.9  0.0   0 0605+2207
 MON DEC 11  18 04  18 52  19 21  19 31         06 18  06 48  07 35  23 49  04 29  10 48  10.9  0.2   1 0710+2229
 TUE DEC 12  18 04  18 52  19 22  20 38         06 19  06 48  07 36  23 54  04 33  10 53  10.9  1.3  11 0814+2116
 WED DEC 13  18 05  18 53  19 22  21 46         06 19  06 49  07 37  23 58  04 37  10 57  10.9  2.4  21 0916+1836
 THU DEC 14  18 05  18 53  19 22  22 54         06 20  06 49  07 37  00 02  04 41  11 02  11.0  3.5  32 1014+1450
 FRI DEC 15  18 05  18 53  19 23  23 59         06 21  06 50  07 38  00 07  04 45  11 07  11.0  4.6  41 1109+1017
 SAT DEC 16  18 06  18 54  19 23  01 02         06 21  06 51  07 39  00 11  04 49  11 11  11.0  5.7  51 1201+0518
 SUN DEC 17  18 06  18 54  19 24  02 02         06 22  06 51  07 39  00 16  04 53  11 16  11.0  6.6  60 1251+0011
 MON DEC 18  18 07  18 55  19 24  03 01         06 22  06 52  07 40  00 20  04 56  11 20  11.0  7.6  69 1340-0449
 TUE DEC 19  18 07  18 55  19 24  03 58         06 23  06 52  07 40  00 24  05 00  11 24  11.0  8.6  77 1428-0932
 WED DEC 20  18 07  18 55  19 25  04 56         06 23  06 53  07 41  00 29  05 04  11 28  11.0  9.5  86 1517-1344
 THU DEC 21  18 08  18 56  19 25  05 52  16 16  06 24  06 53  07 41  00 33  05 08  11 33  11.0 10.5  95 1607-1716
 FRI DEC 22  18 08  18 56  19 26  06 48  16 56  06 24  06 54  07 42  00 38  05 12  11 37  11.0 11.0 100 1657-1959
 SAT DEC 23  18 09  18 57  19 26  07 41  17 39  06 25  06 54  07 42  00 41  05 16  11 42  11.0 11.0 100 1749-2146
 SUN DEC 24  18 10  18 58  19 27         18 26  06 25  06 55  07 43  00 46  05 20  11 46  11.0 11.0 100 1841-2232
 MON DEC 25  18 10  18 58  19 28         19 16  06 26  06 55  07 43  00 51  05 24  11 51  11.0 11.0 100 1932-2216
 TUE DEC 26  18 11  18 59  19 28         20 08  06 26  06 55  07 43  00 55  05 28  11 55  11.0 10.3  93 2023-2101
 WED DEC 27  18 11  18 59  19 29         21 01  06 26  06 56  07 44  01 00  05 32  11 59  10.9  9.4  85 2113-1850
 THU DEC 28  18 12  19 00  19 29         21 55  06 27  06 56  07 44  01 04  05 36  12 04  11.0  8.5  77 2201-1552
 FRI DEC 29  18 13  19 00  19 30         22 48  06 27  06 57  07 44  01 09  05 40  12 08  10.9  7.7  69 2247-1215
 SAT DEC 30  18 13  19 01  19 31         23 42  06 27  06 57  07 45  01 14  05 44  12 12  10.9  6.7  61 2333-0806
 SUN DEC 31  18 14  19 02  19 31         00 37  06 28  06 57  07 45  01 18  05 48  12 17  11.0  5.9  53 0019-0334

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  DEC 04   03:59  UT
                AND FOLLOWING MORNING.             FULL MOON      DEC 11   09:07  UT
                All dates and times are zone CST   LAST QUARTER   DEC 18   00:45  UT
                in upper table (except sid time).  NEW MOON       DEC 25   17:23  UT