KECK OBSERVATORY CALENDAR FOR 2000  -ASTRONOMICAL
                                 (computed for altitude 4145.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(HST)   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 09  19 50  20 18         20 58  04 39  05 07  05 47  16 41  20 23  01 03   8.4  7.7  92 1106+1005
 WED AUG 02  19 09  19 49  20 17         21 42  04 39  05 07  05 48  16 44  20 27  01 07   8.4  6.9  83 1200+0508
 THU AUG 03  19 08  19 48  20 16         22 24  04 40  05 08  05 48  16 47  20 31  01 12   8.4  6.3  74 1251+0005
 FRI AUG 04  19 07  19 48  20 16         23 04  04 40  05 08  05 48  16 51  20 35  01 16   8.4  5.6  66 1340-0447
 SAT AUG 05  19 07  19 47  20 15         23 43  04 41  05 09  05 49  16 53  20 39  01 21   8.4  5.0  58 1429-0919
 SUN AUG 06  19 06  19 46  20 14         00 22  04 41  05 09  05 49  16 56  20 43  01 25   8.4  4.3  51 1517-1319
 MON AUG 07  19 06  19 46  20 14         01 03  04 42  05 09  05 49  17 00  20 47  01 30   8.5  3.6  43 1606-1639
 TUE AUG 08  19 05  19 45  20 13         01 46  04 42  05 10  05 50  17 03  20 51  01 34   8.5  2.9  34 1655-1914
 WED AUG 09  19 04  19 44  20 12         02 31  04 43  05 10  05 50  17 06  20 55  01 39   8.5  2.2  25 1745-2056
 THU AUG 10  19 04  19 44  20 11         03 18  04 43  05 11  05 50  17 09  20 59  01 43   8.5  1.4  16 1836-2143
 FRI AUG 11  19 03  19 43  20 11  16 29  04 07  04 44  05 11  05 51  17 13  21 03  01 48   8.6  0.6   7 1927-2131
 SAT AUG 12  19 03  19 42  20 10  17 16  04 57  04 44  05 12  05 51  17 16  21 07  01 51   8.6  0.0   0 2018-2022
 SUN AUG 13  19 02  19 41  20 09  18 01  05 48  04 44  05 12  05 51  17 19  21 11  01 55   8.6  0.0   0 2108-1818
 MON AUG 14  19 01  19 41  20 08  18 43  06 40  04 45  05 12  05 52  17 22  21 15  02 00   8.6  0.0   0 2157-1524
 TUE AUG 15  19 00  19 40  20 07  19 24  07 31  04 45  05 13  05 52  17 25  21 19  02 04   8.6  0.0   0 2245-1149
 WED AUG 16  19 00  19 39  20 06  20 03         04 46  05 13  05 52  17 28  21 22  02 09   8.7  0.0   0 2332-0740
 THU AUG 17  18 59  19 38  20 05  20 40         04 46  05 13  05 53  17 31  21 26  02 13   8.7  0.6   6 0019-0308
 FRI AUG 18  18 58  19 37  20 05  21 18         04 47  05 14  05 53  17 35  21 30  02 18   8.7  1.2  13 0107+0135
 SAT AUG 19  18 58  19 37  20 04  21 57         04 47  05 14  05 53  17 38  21 34  02 22   8.7  1.9  21 0155+0619
 SUN AUG 20  18 57  19 36  20 03  22 37         04 47  05 14  05 54  17 41  21 38  02 26   8.7  2.6  29 0246+1052
 MON AUG 21  18 56  19 35  20 02  23 20         04 48  05 15  05 54  17 44  21 42  02 31   8.8  3.3  37 0339+1457
 TUE AUG 22  18 55  19 34  20 01  00 08         04 48  05 15  05 54  17 46  21 46  02 35   8.8  4.1  46 0435+1820
 WED AUG 23  18 54  19 33  20 00  01 01         04 49  05 15  05 54  17 49  21 50  02 40   8.8  5.0  56 0534+2041
 THU AUG 24  18 54  19 32  19 59  01 59         04 49  05 16  05 55  17 52  21 54  02 44   8.8  6.0  67 0636+2145
 FRI AUG 25  18 53  19 32  19 58  03 02         04 49  05 16  05 55  17 55  21 58  02 48   8.8  7.1  79 0739+2122
 SAT AUG 26  18 52  19 31  19 57  04 07  16 59  04 50  05 16  05 55  17 58  22 02  02 53   8.9  8.2  91 0842+1930
 SUN AUG 27  18 51  19 30  19 56  05 12  17 55  04 50  05 17  05 55  18 01  22 06  02 57   8.9  8.9 100 0943+1618
 MON AUG 28  18 50  19 29  19 55  06 15  18 45  04 51  05 17  05 56  18 04  22 10  03 02   8.9  8.9 100 1041+1205
 TUE AUG 29  18 49  19 28  19 54  07 16  19 32  04 51  05 17  05 56  18 07  22 14  03 06   9.0  9.0 100 1137+0713
 WED AUG 30  18 49  19 27  19 53         20 15  04 51  05 18  05 56  18 10  22 18  03 09   9.0  8.6  95 1230+0204
 THU AUG 31  18 48  19 26  19 52         20 57  04 52  05 18  05 56  18 13  22 22  03 14   9.0  7.9  87 1321-0302

                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 HST   LAST QUARTER   AUG 22   18:54  UT
                in upper table (except sid time).  NEW MOON       AUG 29   10:22  UT