KECK OBSERVATORY CALENDAR FOR 2003 -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 2003 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SAT MAR 01 18 37 19 15 19 40 06 34 17 47 05 28 05 54 06 32 05 31 10 17 16 12 10.7 10.7 100 2232-1430 SUN MAR 02 18 37 19 15 19 40 07 10 18 39 05 28 05 53 06 31 05 35 10 21 16 15 10.6 10.6 100 2319-0937 MON MAR 03 18 38 19 15 19 41 07 44 19 30 05 27 05 52 06 30 05 39 10 25 16 18 10.6 10.4 97 0004-0425 TUE MAR 04 18 38 19 16 19 41 20 19 05 26 05 52 06 29 05 44 10 29 16 22 10.6 9.5 90 0047+0052 WED MAR 05 18 38 19 16 19 41 21 07 05 25 05 51 06 28 05 48 10 33 16 25 10.6 8.7 82 0130+0604 THU MAR 06 18 39 19 16 19 42 21 56 05 25 05 50 06 28 05 52 10 37 16 28 10.6 7.9 74 0214+1102 FRI MAR 07 18 39 19 16 19 42 22 45 05 24 05 49 06 27 05 56 10 41 16 31 10.6 7.1 66 0259+1535 SAT MAR 08 18 39 19 17 19 42 23 36 05 23 05 49 06 26 06 01 10 45 16 35 10.5 6.2 59 0346+1933 SUN MAR 09 18 40 19 17 19 43 00 29 05 22 05 48 06 25 06 05 10 49 16 38 10.5 5.3 50 0435+2245 MON MAR 10 18 40 19 17 19 43 01 23 05 21 05 47 06 24 06 09 10 53 16 41 10.5 4.4 41 0527+2459 TUE MAR 11 18 40 19 18 19 43 02 18 05 21 05 46 06 24 06 14 10 57 16 44 10.5 3.5 33 0622+2605 WED MAR 12 18 40 19 18 19 44 03 13 05 20 05 45 06 23 06 18 11 01 16 47 10.5 2.5 24 0719+2550 THU MAR 13 18 41 19 18 19 44 04 05 05 19 05 44 06 22 06 22 11 05 16 50 10.4 1.7 15 0817+2409 FRI MAR 14 18 41 19 19 19 44 04 54 05 18 05 44 06 21 06 27 11 09 16 53 10.4 0.8 8 0914+2101 SAT MAR 15 18 41 19 19 19 44 05 40 05 17 05 43 06 20 06 31 11 12 16 56 10.4 0.1 0 1011+1635 SUN MAR 16 18 42 19 19 19 45 17 02 06 24 05 16 05 42 06 19 06 35 11 16 16 59 10.4 0.0 0 1106+1104 MON MAR 17 18 42 19 19 19 45 18 05 07 06 05 15 05 41 06 19 06 39 11 20 17 02 10.4 0.0 0 1200+0448 TUE MAR 18 18 42 19 20 19 45 19 07 07 47 05 15 05 40 06 18 06 44 11 24 17 05 10.3 0.0 0 1254-0146 WED MAR 19 18 42 19 20 19 46 20 09 05 14 05 39 06 17 06 47 11 28 17 08 10.3 0.8 7 1349-0817 THU MAR 20 18 43 19 20 19 46 21 12 05 13 05 38 06 16 06 51 11 32 17 11 10.3 1.9 18 1445-1417 FRI MAR 21 18 43 19 21 19 46 22 16 05 12 05 38 06 15 06 56 11 36 17 15 10.3 2.9 28 1542-1922 SAT MAR 22 18 43 19 21 19 47 23 21 05 11 05 37 06 14 07 00 11 40 17 18 10.3 4.0 38 1642-2312 SUN MAR 23 18 44 19 21 19 47 00 24 05 10 05 36 06 13 07 04 11 44 17 21 10.2 5.0 49 1742-2531 MON MAR 24 18 44 19 21 19 47 01 25 05 09 05 35 06 12 07 08 11 48 17 24 10.2 6.1 59 1843-2615 TUE MAR 25 18 44 19 22 19 47 02 20 05 08 05 34 06 12 07 13 11 52 17 27 10.2 7.0 68 1942-2526 WED MAR 26 18 44 19 22 19 48 03 10 05 07 05 33 06 11 07 17 11 56 17 30 10.2 7.8 76 2038-2314 THU MAR 27 18 45 19 22 19 48 03 55 05 06 05 32 06 10 07 21 12 00 17 33 10.2 8.5 84 2131-1955 FRI MAR 28 18 45 19 23 19 48 04 35 05 05 05 31 06 09 07 26 12 04 17 36 10.1 9.2 90 2220-1545 SAT MAR 29 18 45 19 23 19 49 05 11 16 35 05 04 05 30 06 08 07 30 12 08 17 39 10.1 9.8 96 2307-1059 SUN MAR 30 18 45 19 23 19 49 05 45 17 25 05 04 05 29 06 07 07 34 12 12 17 41 10.1 10.1 100 2352-0551 MON MAR 31 18 46 19 24 19 49 06 17 18 14 05 03 05 29 06 06 07 39 12 16 17 45 10.1 10.1 100 0035-0034 ONE LINE REFERS TO EVENING DATE NEW MOON MAR 03 02:36 UT AND FOLLOWING MORNING. FIRST QUARTER MAR 11 07:18 UT All dates and times are zone HST FULL MOON MAR 18 10:36 UT in upper table (except sid time). LAST QUARTER MAR 25 01:54 UT