KECK OBSERVATORY CALENDAR FOR 2002 -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 2002 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight TUE JAN 01 18 05 18 45 19 12 20 31 05 39 06 06 06 46 01 37 06 26 12 06 10.4 1.3 12 0947+1758 WED JAN 02 18 05 18 46 19 13 21 35 05 39 06 06 06 46 01 42 06 30 12 09 10.4 2.4 22 1044+1320 THU JAN 03 18 06 18 47 19 14 22 36 05 39 06 06 06 47 01 47 06 33 12 13 10.4 3.4 32 1138+0759 FRI JAN 04 18 07 18 47 19 14 23 36 05 40 06 07 06 47 01 51 06 37 12 18 10.4 4.4 41 1231+0217 SAT JAN 05 18 07 18 48 19 15 00 34 05 40 06 07 06 47 01 56 06 41 12 22 10.4 5.3 51 1322-0327 SUN JAN 06 18 08 18 48 19 15 01 31 05 40 06 07 06 47 02 00 06 45 12 26 10.4 6.3 60 1413-0856 MON JAN 07 18 09 18 49 19 16 02 28 05 41 06 07 06 48 02 04 06 49 12 31 10.4 7.2 69 1505-1354 TUE JAN 08 18 09 18 49 19 16 03 25 05 41 06 08 06 48 02 08 06 53 12 35 10.4 8.2 78 1557-1807 WED JAN 09 18 10 18 50 19 17 04 23 05 41 06 08 06 48 02 13 06 57 12 39 10.4 9.1 87 1652-2120 THU JAN 10 18 11 18 51 19 18 05 20 16 01 05 41 06 08 06 48 02 18 07 01 12 43 10.4 10.0 96 1747-2324 FRI JAN 11 18 11 18 51 19 18 06 14 16 52 05 42 06 08 06 48 02 22 07 05 12 48 10.4 10.4 100 1843-2413 SAT JAN 12 18 12 18 52 19 19 07 06 17 46 05 42 06 09 06 49 02 27 07 09 12 52 10.4 10.4 100 1938-2346 SUN JAN 13 18 12 18 52 19 19 07 53 18 40 05 42 06 09 06 49 02 31 07 13 12 56 10.4 10.4 100 2031-2210 MON JAN 14 18 13 18 53 19 20 19 33 05 42 06 09 06 49 02 36 07 17 13 00 10.4 10.2 97 2122-1933 TUE JAN 15 18 14 18 54 19 20 20 25 05 42 06 09 06 49 02 40 07 21 13 04 10.4 9.3 89 2211-1608 WED JAN 16 18 14 18 54 19 21 21 16 05 42 06 09 06 49 02 45 07 25 13 08 10.3 8.4 81 2257-1205 THU JAN 17 18 15 18 55 19 22 22 04 05 42 06 09 06 49 02 50 07 29 13 12 10.3 7.6 73 2341-0737 FRI JAN 18 18 16 18 55 19 22 22 52 05 43 06 09 06 49 02 54 07 33 13 17 10.3 6.8 66 0025-0252 SAT JAN 19 18 16 18 56 19 23 23 40 05 43 06 09 06 49 02 59 07 37 13 21 10.3 6.1 58 0108+0159 SUN JAN 20 18 17 18 57 19 23 00 29 05 43 06 09 06 49 03 03 07 41 13 24 10.3 5.2 50 0152+0650 MON JAN 21 18 18 18 57 19 24 01 19 05 43 06 09 06 49 03 08 07 44 13 28 10.3 4.4 42 0238+1131 TUE JAN 22 18 18 18 58 19 24 02 12 05 43 06 09 06 49 03 12 07 48 13 32 10.3 3.5 34 0326+1550 WED JAN 23 18 19 18 58 19 25 03 09 05 43 06 09 06 49 03 17 07 52 13 36 10.3 2.6 24 0418+1933 THU JAN 24 18 19 18 59 19 25 04 08 05 43 06 09 06 48 03 21 07 56 13 40 10.3 1.6 15 0514+2223 FRI JAN 25 18 20 18 59 19 26 05 10 05 43 06 09 06 48 03 25 08 00 13 44 10.3 0.6 5 0614+2400 SAT JAN 26 18 21 19 00 19 26 16 01 06 11 05 43 06 09 06 48 03 29 08 04 13 48 10.3 0.0 0 0717+2407 SUN JAN 27 18 21 19 00 19 27 17 04 07 09 05 42 06 09 06 48 03 34 08 08 13 51 10.2 0.0 0 0820+2236 MON JAN 28 18 22 19 01 19 27 18 11 05 42 06 09 06 48 03 38 08 12 13 55 10.2 0.0 0 0923+1930 TUE JAN 29 18 22 19 02 19 28 19 18 05 42 06 08 06 48 03 43 08 16 13 59 10.2 0.0 0 1023+1505 WED JAN 30 18 23 19 02 19 28 20 23 05 42 06 08 06 47 03 47 08 20 14 03 10.2 0.9 8 1120+0945 THU JAN 31 18 24 19 03 19 29 21 26 05 42 06 08 06 47 03 52 08 24 14 07 10.2 1.9 19 1215+0353 ONE LINE REFERS TO EVENING DATE LAST QUARTER JAN 06 03:59 UT AND FOLLOWING MORNING. NEW MOON JAN 13 13:30 UT All dates and times are zone HST FIRST QUARTER JAN 21 17:50 UT in upper table (except sid time). FULL MOON JAN 28 22:52 UT