KECK OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___ 
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI AUG 01  19 09  19 50  20 18  07 08  19 42  04 39  05 07  05 47  16 41  20 24  01 03   8.4  8.4 100 0947+1243
 SAT AUG 02  19 09  19 49  20 17         20 21  04 39  05 07  05 48  16 44  20 28  01 07   8.4  8.3  99 1038+0639
 SUN AUG 03  19 08  19 48  20 16         20 58  04 40  05 08  05 48  16 47  20 31  01 12   8.4  7.7  91 1126+0027
 MON AUG 04  19 07  19 48  20 16         21 33  04 40  05 08  05 48  16 51  20 35  01 16   8.4  7.1  84 1212-0534
 TUE AUG 05  19 07  19 47  20 15         22 07  04 41  05 09  05 49  16 54  20 39  01 21   8.4  6.6  77 1258-1112
 WED AUG 06  19 06  19 46  20 14         22 43  04 41  05 09  05 49  16 57  20 43  01 25   8.4  6.0  70 1345-1615
 THU AUG 07  19 06  19 46  20 14         23 21  04 42  05 09  05 49  17 01  20 47  01 30   8.5  5.3  63 1433-2033
 FRI AUG 08  19 05  19 45  20 13         00 02  04 42  05 10  05 50  17 04  20 51  01 34   8.5  4.7  55 1522-2357
 SAT AUG 09  19 04  19 44  20 12         00 47  04 43  05 10  05 50  17 07  20 55  01 39   8.5  3.9  46 1613-2618
 SUN AUG 10  19 04  19 44  20 11         01 35  04 43  05 11  05 50  17 09  20 59  01 43   8.5  3.1  36 1706-2728
 MON AUG 11  19 03  19 43  20 11         02 27  04 44  05 11  05 51  17 13  21 03  01 48   8.6  2.3  26 1800-2723
 TUE AUG 12  19 03  19 42  20 10         03 21  04 44  05 12  05 51  17 16  21 07  01 52   8.6  1.4  16 1854-2600
 WED AUG 13  19 02  19 41  20 09  16 45  04 16  04 44  05 12  05 51  17 19  21 11  01 56   8.6  0.5   5 1946-2322
 THU AUG 14  19 01  19 41  20 08  17 28  05 11  04 45  05 12  05 52  17 22  21 15  02 01   8.6  0.0   0 2037-1937
 FRI AUG 15  19 00  19 40  20 07  18 08  06 05  04 45  05 13  05 52  17 25  21 19  02 05   8.6  0.0   0 2127-1455
 SAT AUG 16  19 00  19 39  20 06  18 46  06 59  04 46  05 13  05 52  17 28  21 23  02 10   8.7  0.0   0 2215-0929
 SUN AUG 17  18 59  19 38  20 05  19 22  07 53  04 46  05 13  05 53  17 31  21 27  02 13   8.7  0.0   0 2302-0333
 MON AUG 18  18 58  19 37  20 05  19 58         04 47  05 14  05 53  17 35  21 31  02 18   8.7  0.0   0 2350+0238
 TUE AUG 19  18 58  19 37  20 04  20 34         04 47  05 14  05 53  17 38  21 35  02 22   8.7  0.5   5 0038+0847
 WED AUG 20  18 57  19 36  20 03  21 12         04 47  05 14  05 54  17 41  21 38  02 26   8.7  1.2  13 0129+1437
 THU AUG 21  18 56  19 35  20 02  21 54         04 48  05 15  05 54  17 44  21 42  02 31   8.8  1.9  21 0223+1946
 FRI AUG 22  18 55  19 34  20 01  22 42         04 48  05 15  05 54  17 47  21 46  02 35   8.8  2.7  30 0321+2353
 SAT AUG 23  18 54  19 33  20 00  23 35         04 49  05 15  05 54  17 50  21 50  02 40   8.8  3.6  40 0423+2635
 SUN AUG 24  18 54  19 32  19 59  00 35         04 49  05 16  05 55  17 53  21 54  02 44   8.8  4.6  52 0526+2735
 MON AUG 25  18 53  19 32  19 58  01 40         04 49  05 16  05 55  17 56  21 58  02 48   8.8  5.7  64 0631+2645
 TUE AUG 26  18 52  19 31  19 57  02 46         04 50  05 16  05 55  17 58  22 02  02 53   8.9  6.8  76 0733+2409
 WED AUG 27  18 51  19 30  19 56  03 51  16 49  04 50  05 17  05 55  18 01  22 06  02 57   8.9  7.9  88 0832+2005
 THU AUG 28  18 50  19 29  19 55  04 52  17 35  04 51  05 17  05 56  18 04  22 10  03 02   8.9  8.9 100 0927+1455
 FRI AUG 29  18 49  19 28  19 54  05 51  18 16  04 51  05 17  05 56  18 07  22 14  03 06   9.0  9.0 100 1018+0904
 SAT AUG 30  18 49  19 27  19 53  06 47  18 53  04 51  05 18  05 56  18 10  22 18  03 10   9.0  9.0 100 1107+0254
 SUN AUG 31  18 48  19 26  19 52  07 41  19 29  04 52  05 18  05 56  18 13  22 22  03 15   9.0  9.0 100 1154-0315

                ONE LINE REFERS TO EVENING DATE    NEW MOON       AUG 01   10:15  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  AUG 08   20:24  UT
                All dates and times are zone HST   FULL MOON      AUG 16   21:19  UT
                in upper table (except sid time).  LAST QUARTER   AUG 23   23:53  UT
                                                   NEW MOON       AUG 30   20:00  UT