KECK OBSERVATORY CALENDAR FOR 2008 -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 2008 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight SAT MAR 01 18 37 19 15 19 40 02 53 05 28 05 53 06 31 06 00 10 20 15 49 9.8 7.2 73 1839-2706 SUN MAR 02 18 38 19 15 19 41 03 41 05 27 05 52 06 30 06 05 10 24 15 52 9.8 8.0 81 1934-2450 MON MAR 03 18 38 19 16 19 41 04 26 05 26 05 52 06 29 06 09 10 28 15 55 9.8 8.8 89 2027-2118 TUE MAR 04 18 38 19 16 19 41 05 08 16 10 05 25 05 51 06 28 06 12 10 32 15 58 9.7 9.5 97 2119-1636 WED MAR 05 18 39 19 16 19 42 05 47 17 08 05 25 05 50 06 28 06 17 10 36 16 02 9.7 9.7 100 2210-1059 THU MAR 06 18 39 19 16 19 42 06 25 18 05 05 24 05 49 06 27 06 21 10 40 16 05 9.7 9.7 100 2300-0443 FRI MAR 07 18 39 19 17 19 42 07 02 19 02 05 23 05 49 06 26 06 25 10 44 16 08 9.7 9.7 100 2350+0154 SAT MAR 08 18 40 19 17 19 43 07 41 20 01 05 22 05 48 06 25 06 30 10 48 16 11 9.6 9.4 96 0041+0832 SUN MAR 09 18 40 19 17 19 43 21 02 05 21 05 47 06 24 06 34 10 52 16 14 9.6 8.3 86 0135+1446 MON MAR 10 18 40 19 18 19 43 22 06 05 21 05 46 06 24 06 38 10 56 16 18 9.6 7.2 75 0231+2012 TUE MAR 11 18 40 19 18 19 44 23 12 05 20 05 45 06 23 06 43 11 00 16 21 9.6 6.1 63 0331+2426 WED MAR 12 18 41 19 18 19 44 00 19 05 19 05 44 06 22 06 47 11 04 16 24 9.6 5.0 52 0433+2705 THU MAR 13 18 41 19 19 19 44 01 23 05 18 05 44 06 21 06 51 11 08 16 27 9.6 3.9 40 0537+2758 FRI MAR 14 18 41 19 19 19 44 02 22 05 17 05 43 06 20 06 55 11 12 16 29 9.5 2.9 30 0639+2703 SAT MAR 15 18 42 19 19 19 45 03 15 05 16 05 42 06 19 07 00 11 16 16 32 9.5 2.0 21 0739+2429 SUN MAR 16 18 42 19 19 19 45 04 01 05 15 05 41 06 19 07 04 11 20 16 35 9.5 1.2 12 0835+2035 MON MAR 17 18 42 19 20 19 45 04 42 05 15 05 40 06 18 07 08 11 23 16 39 9.5 0.6 5 0928+1542 TUE MAR 18 18 42 19 20 19 46 16 03 05 19 05 14 05 39 06 17 07 13 11 27 16 42 9.5 0.0 0 1017+1010 WED MAR 19 18 43 19 20 19 46 16 58 05 53 05 13 05 38 06 16 07 17 11 31 16 45 9.5 0.0 0 1103+0418 THU MAR 20 18 43 19 21 19 46 17 49 06 27 05 12 05 38 06 15 07 21 11 35 16 48 9.4 0.0 0 1148-0138 FRI MAR 21 18 43 19 21 19 47 18 40 07 00 05 11 05 37 06 14 07 26 11 39 16 51 9.4 0.0 0 1233-0725 SAT MAR 22 18 44 19 21 19 47 19 31 07 34 05 10 05 36 06 13 07 29 11 43 16 54 9.4 0.0 0 1317-1250 SUN MAR 23 18 44 19 21 19 47 20 22 05 09 05 35 06 12 07 33 11 47 16 57 9.4 0.6 6 1404-1741 MON MAR 24 18 44 19 22 19 47 21 14 05 08 05 34 06 12 07 37 11 51 17 00 9.4 1.5 15 1451-2146 TUE MAR 25 18 44 19 22 19 48 22 07 05 07 05 33 06 11 07 42 11 55 17 03 9.3 2.3 24 1541-2456 WED MAR 26 18 45 19 22 19 48 23 00 05 06 05 32 06 10 07 46 11 59 17 06 9.3 3.2 34 1633-2701 THU MAR 27 18 45 19 23 19 48 23 53 05 05 05 31 06 09 07 50 12 03 17 09 9.3 4.1 43 1726-2752 FRI MAR 28 18 45 19 23 19 49 00 44 05 04 05 30 06 08 07 55 12 07 17 12 9.2 4.9 53 1820-2726 SAT MAR 29 18 45 19 23 19 49 01 32 05 04 05 29 06 07 07 59 12 11 17 16 9.2 5.7 61 1914-2541 SUN MAR 30 18 46 19 24 19 49 02 18 05 03 05 29 06 06 08 03 12 15 17 19 9.2 6.5 70 2007-2241 MON MAR 31 18 46 19 24 19 50 03 00 05 02 05 28 06 05 08 08 12 19 17 21 9.2 7.2 77 2058-1830 ONE LINE REFERS TO EVENING DATE NEW MOON MAR 07 17:15 UT AND FOLLOWING MORNING. FIRST QUARTER MAR 14 10:48 UT All dates and times are zone HST FULL MOON MAR 21 18:42 UT in upper table (except sid time). LAST QUARTER MAR 29 21:50 UT