KECK OBSERVATORY CALENDAR FOR 2002 -NAUTICAL (computed for altitude 4145.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) RA DEC 2002 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight TUE JAN 01 18 05 18 45 19 12 20 31 05 39 06 06 06 46 01 10 06 26 12 33 11.3 1.8 15 0947+1758 WED JAN 02 18 05 18 46 19 13 21 35 05 39 06 06 06 46 01 15 06 30 12 37 11.3 2.8 24 1044+1320 THU JAN 03 18 06 18 47 19 14 22 36 05 39 06 06 06 47 01 20 06 33 12 40 11.3 3.8 33 1138+0759 FRI JAN 04 18 07 18 47 19 14 23 36 05 40 06 07 06 47 01 24 06 37 12 45 11.3 4.8 42 1231+0217 SAT JAN 05 18 07 18 48 19 15 00 34 05 40 06 07 06 47 01 29 06 41 12 49 11.3 5.8 50 1322-0327 SUN JAN 06 18 08 18 48 19 15 01 31 05 40 06 07 06 47 01 32 06 45 12 53 11.3 6.7 59 1413-0856 MON JAN 07 18 09 18 49 19 16 02 28 05 41 06 07 06 48 01 37 06 49 12 57 11.3 7.6 67 1505-1354 TUE JAN 08 18 09 18 49 19 16 03 25 05 41 06 08 06 48 01 41 06 53 13 02 11.3 8.6 75 1557-1807 WED JAN 09 18 10 18 50 19 17 04 23 05 41 06 08 06 48 01 46 06 57 13 06 11.3 9.5 84 1652-2120 THU JAN 10 18 11 18 51 19 18 05 20 16 01 05 41 06 08 06 48 01 51 07 01 13 10 11.3 10.5 92 1747-2324 FRI JAN 11 18 11 18 51 19 18 06 14 16 52 05 42 06 08 06 48 01 55 07 05 13 14 11.3 11.3 100 1843-2413 SAT JAN 12 18 12 18 52 19 19 07 06 17 46 05 42 06 09 06 49 02 00 07 09 13 19 11.3 11.3 100 1938-2346 SUN JAN 13 18 12 18 52 19 19 07 53 18 40 05 42 06 09 06 49 02 04 07 13 13 23 11.3 11.3 100 2031-2210 MON JAN 14 18 13 18 53 19 20 19 33 05 42 06 09 06 49 02 09 07 17 13 27 11.3 10.6 94 2122-1933 TUE JAN 15 18 14 18 54 19 20 20 25 05 42 06 09 06 49 02 14 07 21 13 31 11.3 9.7 86 2211-1608 WED JAN 16 18 14 18 54 19 21 21 16 05 42 06 09 06 49 02 18 07 25 13 35 11.3 8.9 78 2257-1205 THU JAN 17 18 15 18 55 19 22 22 04 05 42 06 09 06 49 02 23 07 29 13 39 11.2 8.1 71 2341-0737 FRI JAN 18 18 16 18 55 19 22 22 52 05 43 06 09 06 49 02 27 07 33 13 43 11.2 7.3 64 0025-0252 SAT JAN 19 18 16 18 56 19 23 23 40 05 43 06 09 06 49 02 32 07 37 13 47 11.2 6.5 57 0108+0159 SUN JAN 20 18 17 18 57 19 23 00 29 05 43 06 09 06 49 02 37 07 41 13 51 11.2 5.7 50 0152+0650 MON JAN 21 18 18 18 57 19 24 01 19 05 43 06 09 06 49 02 41 07 44 13 54 11.2 4.8 43 0238+1131 TUE JAN 22 18 18 18 58 19 24 02 12 05 43 06 09 06 49 02 46 07 48 13 58 11.2 4.0 35 0326+1550 WED JAN 23 18 19 18 58 19 25 03 09 05 43 06 09 06 49 02 50 07 52 14 02 11.2 3.0 26 0418+1933 THU JAN 24 18 19 18 59 19 25 04 08 05 43 06 09 06 48 02 54 07 56 14 06 11.2 2.0 18 0514+2223 FRI JAN 25 18 20 18 59 19 26 05 10 05 43 06 09 06 48 02 58 08 00 14 10 11.2 1.0 8 0614+2400 SAT JAN 26 18 21 19 00 19 26 16 01 06 11 05 43 06 09 06 48 03 03 08 04 14 14 11.2 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 07 08 08 14 18 11.2 0.0 0 0820+2236 MON JAN 28 18 22 19 01 19 27 18 11 05 42 06 09 06 48 03 12 08 12 14 22 11.1 0.0 0 0923+1930 TUE JAN 29 18 22 19 02 19 28 19 18 05 42 06 08 06 48 03 17 08 16 14 25 11.1 0.3 2 1023+1505 WED JAN 30 18 23 19 02 19 28 20 23 05 42 06 08 06 47 03 21 08 20 14 29 11.1 1.4 12 1120+0945 THU JAN 31 18 24 19 03 19 29 21 26 05 42 06 08 06 47 03 26 08 24 14 33 11.1 2.4 21 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