KECK OBSERVATORY CALENDAR FOR 2004 -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 2004 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight MON MAR 01 18 37 19 15 19 40 04 02 05 28 05 53 06 31 05 34 10 20 16 14 10.6 1.8 17 0725+2640 TUE MAR 02 18 38 19 15 19 41 04 49 05 27 05 52 06 30 05 38 10 24 16 17 10.6 1.1 9 0819+2441 WED MAR 03 18 38 19 16 19 41 05 34 05 26 05 52 06 29 05 43 10 28 16 21 10.6 0.3 2 0912+2127 THU MAR 04 18 38 19 16 19 41 16 35 06 15 05 25 05 51 06 28 05 47 10 32 16 24 10.6 0.0 0 1004+1706 FRI MAR 05 18 39 19 16 19 42 17 32 06 53 05 25 05 50 06 28 05 51 10 36 16 27 10.6 0.0 0 1054+1149 SAT MAR 06 18 39 19 16 19 42 18 29 07 30 05 24 05 49 06 27 05 55 10 40 16 30 10.6 0.0 0 1143+0553 SUN MAR 07 18 39 19 17 19 42 19 26 05 23 05 49 06 26 06 00 10 44 16 34 10.5 0.1 1 1233-0025 MON MAR 08 18 40 19 17 19 43 20 23 05 22 05 48 06 25 06 04 10 48 16 37 10.5 1.1 10 1323-0648 TUE MAR 09 18 40 19 17 19 43 21 22 05 21 05 47 06 24 06 08 10 52 16 40 10.5 2.1 19 1414-1255 WED MAR 10 18 40 19 18 19 43 22 23 05 21 05 46 06 24 06 13 10 56 16 43 10.5 3.1 29 1509-1823 THU MAR 11 18 40 19 18 19 44 23 26 05 20 05 45 06 23 06 17 11 00 16 46 10.5 4.1 39 1607-2250 FRI MAR 12 18 41 19 18 19 44 00 31 05 19 05 44 06 22 06 21 11 04 16 49 10.4 5.2 50 1707-2555 SAT MAR 13 18 41 19 19 19 44 01 35 05 18 05 44 06 21 06 26 11 08 16 53 10.4 6.3 60 1810-2721 SUN MAR 14 18 41 19 19 19 44 02 36 05 17 05 43 06 20 06 30 11 12 16 55 10.4 7.3 70 1914-2700 MON MAR 15 18 42 19 19 19 45 03 32 05 16 05 42 06 19 06 34 11 15 16 58 10.4 8.2 79 2015-2457 TUE MAR 16 18 42 19 19 19 45 04 21 05 15 05 41 06 19 06 38 11 19 17 01 10.4 9.0 87 2113-2125 WED MAR 17 18 42 19 20 19 45 05 05 16 06 05 15 05 40 06 18 06 43 11 23 17 04 10.3 9.7 94 2207-1646 THU MAR 18 18 42 19 20 19 46 05 44 17 05 05 14 05 39 06 17 06 47 11 27 17 07 10.3 10.3 100 2258-1121 FRI MAR 19 18 43 19 20 19 46 06 21 18 00 05 13 05 38 06 16 06 50 11 31 17 10 10.3 10.3 100 2346-0531 SAT MAR 20 18 43 19 21 19 46 06 55 18 53 05 12 05 38 06 15 06 55 11 35 17 14 10.3 10.3 100 0033+0027 SUN MAR 21 18 43 19 21 19 47 07 29 19 46 05 11 05 37 06 14 06 59 11 39 17 17 10.3 9.9 95 0118+0617 MON MAR 22 18 44 19 21 19 47 20 37 05 10 05 36 06 13 07 03 11 43 17 20 10.2 9.0 87 0204+1146 TUE MAR 23 18 44 19 21 19 47 21 29 05 09 05 35 06 12 07 07 11 47 17 23 10.2 8.1 79 0250+1642 WED MAR 24 18 44 19 22 19 47 22 22 05 08 05 34 06 12 07 12 11 51 17 26 10.2 7.2 70 0338+2054 THU MAR 25 18 44 19 22 19 48 23 15 05 07 05 33 06 11 07 16 11 55 17 29 10.2 6.3 61 0428+2411 FRI MAR 26 18 45 19 22 19 48 00 09 05 06 05 32 06 10 07 20 11 59 17 32 10.2 5.4 52 0519+2625 SAT MAR 27 18 45 19 23 19 48 01 02 05 05 05 31 06 09 07 25 12 03 17 35 10.1 4.5 44 0612+2727 SUN MAR 28 18 45 19 23 19 49 01 53 05 04 05 30 06 08 07 29 12 07 17 38 10.1 3.6 35 0706+2714 MON MAR 29 18 45 19 23 19 49 02 42 05 04 05 29 06 07 07 33 12 11 17 41 10.1 2.8 27 0759+2543 TUE MAR 30 18 46 19 24 19 49 03 26 05 03 05 29 06 06 07 38 12 15 17 44 10.1 2.0 20 0852+2257 WED MAR 31 18 46 19 24 19 50 04 08 05 02 05 28 06 05 07 42 12 19 17 47 10.1 1.3 13 0944+1902 ONE LINE REFERS TO EVENING DATE FULL MOON MAR 06 23:17 UT AND FOLLOWING MORNING. LAST QUARTER MAR 13 21:04 UT All dates and times are zone HST NEW MOON MAR 20 22:44 UT in upper table (except sid time). FIRST QUARTER MAR 28 23:50 UT