KECK OBSERVATORY CALENDAR FOR 2005 -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 2005 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight TUE MAR 01 18 37 19 15 19 40 23 32 05 28 05 54 06 32 05 59 10 19 15 48 9.8 3.9 39 1533-2203 WED MAR 02 18 37 19 15 19 40 00 34 05 28 05 53 06 31 06 03 10 23 15 52 9.8 4.9 50 1630-2540 THU MAR 03 18 38 19 15 19 41 01 38 05 27 05 52 06 30 06 07 10 27 15 55 9.8 6.0 60 1732-2748 FRI MAR 04 18 38 19 16 19 41 02 42 05 26 05 52 06 29 06 11 10 31 15 58 9.8 7.0 71 1837-2810 SAT MAR 05 18 38 19 16 19 41 03 42 05 25 05 51 06 28 06 15 10 35 16 01 9.7 8.0 82 1942-2636 SUN MAR 06 18 39 19 16 19 42 04 37 05 25 05 50 06 28 06 20 10 39 16 05 9.7 8.9 91 2045-2313 MON MAR 07 18 39 19 16 19 42 05 26 16 19 05 24 05 49 06 27 06 24 10 43 16 08 9.7 9.7 100 2144-1820 TUE MAR 08 18 39 19 17 19 42 06 10 17 24 05 23 05 49 06 26 06 28 10 47 16 11 9.7 9.7 100 2240-1223 WED MAR 09 18 40 19 17 19 43 06 49 18 25 05 22 05 48 06 25 06 33 10 51 16 14 9.6 9.6 100 2333-0549 THU MAR 10 18 40 19 17 19 43 07 27 19 25 05 21 05 47 06 24 06 37 10 55 16 17 9.6 9.6 100 0023+0055 FRI MAR 11 18 40 19 18 19 43 20 22 05 21 05 46 06 24 06 41 10 59 16 21 9.6 9.0 93 0113+0728 SAT MAR 12 18 40 19 18 19 44 21 19 05 20 05 45 06 23 06 46 11 03 16 24 9.6 8.0 83 0202+1329 SUN MAR 13 18 41 19 18 19 44 22 16 05 19 05 44 06 22 06 50 11 07 16 26 9.6 7.1 73 0253+1843 MON MAR 14 18 41 19 19 19 44 23 14 05 18 05 44 06 21 06 54 11 11 16 29 9.6 6.1 63 0344+2258 TUE MAR 15 18 41 19 19 19 44 00 10 05 17 05 43 06 20 06 58 11 14 16 32 9.5 5.1 53 0437+2602 WED MAR 16 18 42 19 19 19 45 01 06 05 16 05 42 06 19 07 03 11 18 16 35 9.5 4.2 43 0531+2750 THU MAR 17 18 42 19 19 19 45 01 59 05 15 05 41 06 19 07 07 11 22 16 38 9.5 3.3 34 0625+2818 FRI MAR 18 18 42 19 20 19 45 02 49 05 15 05 40 06 18 07 11 11 26 16 42 9.5 2.4 25 0718+2727 SAT MAR 19 18 42 19 20 19 46 03 34 05 14 05 39 06 17 07 16 11 30 16 45 9.5 1.7 17 0810+2521 SUN MAR 20 18 43 19 20 19 46 04 15 05 13 05 38 06 16 07 20 11 34 16 48 9.5 1.0 10 0900+2209 MON MAR 21 18 43 19 21 19 46 04 52 05 12 05 38 06 15 07 23 11 38 16 51 9.4 0.3 3 0948+1800 TUE MAR 22 18 43 19 21 19 47 16 03 05 27 05 11 05 37 06 14 07 28 11 42 16 54 9.4 0.0 0 1035+1304 WED MAR 23 18 44 19 21 19 47 16 55 06 00 05 10 05 36 06 13 07 32 11 46 16 57 9.4 0.0 0 1120+0732 THU MAR 24 18 44 19 21 19 47 17 46 06 33 05 09 05 35 06 12 07 36 11 50 17 00 9.4 0.0 0 1205+0137 FRI MAR 25 18 44 19 22 19 47 18 38 07 07 05 08 05 34 06 12 07 40 11 54 17 03 9.4 0.0 0 1250-0429 SAT MAR 26 18 44 19 22 19 48 19 31 07 43 05 07 05 33 06 11 07 45 11 58 17 06 9.3 0.0 0 1337-1031 SUN MAR 27 18 45 19 22 19 48 20 27 05 06 05 32 06 10 07 49 12 02 17 09 9.3 0.7 6 1427-1611 MON MAR 28 18 45 19 23 19 48 21 26 05 05 05 31 06 09 07 53 12 06 17 12 9.3 1.6 17 1520-2109 TUE MAR 29 18 45 19 23 19 49 22 28 05 04 05 30 06 08 07 58 12 10 17 15 9.2 2.6 28 1617-2504 WED MAR 30 18 45 19 23 19 49 23 31 05 04 05 29 06 07 08 02 12 14 17 18 9.2 3.7 39 1718-2734 THU MAR 31 18 46 19 24 19 49 00 35 05 03 05 29 06 06 08 06 12 18 17 21 9.2 4.8 51 1821-2821 ONE LINE REFERS TO EVENING DATE LAST QUARTER MAR 03 17:40 UT AND FOLLOWING MORNING. NEW MOON MAR 10 09:13 UT All dates and times are zone HST FIRST QUARTER MAR 17 19:21 UT in upper table (except sid time). FULL MOON MAR 25 21:02 UT