KECK OBSERVATORY CALENDAR FOR 2010 -ASTRONOMICAL (computed for altitude 4160.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2010 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg MON MAR 01 18 37 19 15 19 40 19 45 05 28 05 54 06 32 05 58 10 18 15 47 9.8 0.1 0 1215-0718 40 TUE MAR 02 18 37 19 15 19 41 20 46 05 28 05 53 06 31 06 03 10 22 15 51 9.8 1.1 11 1310-1311 53 WED MAR 03 18 38 19 15 19 41 21 47 05 27 05 52 06 30 06 07 10 26 15 54 9.8 2.1 21 1405-1810 66 THU MAR 04 18 38 19 16 19 41 22 46 05 26 05 52 06 29 06 11 10 30 15 57 9.8 3.1 31 1501-2156 78 FRI MAR 05 18 38 19 16 19 41 23 45 05 25 05 51 06 28 06 14 10 34 16 00 9.7 4.1 41 1555-2417 90 SAT MAR 06 18 39 19 16 19 42 00 41 05 25 05 50 06 28 06 19 10 38 16 04 9.7 5.0 51 1653-2541 >90 SUN MAR 07 18 39 19 17 19 42 01 33 05 24 05 49 06 27 06 23 10 42 16 07 9.7 5.8 60 1748-2535 >90 MON MAR 08 18 39 19 17 19 42 02 21 05 23 05 49 06 26 06 27 10 46 16 10 9.7 6.6 68 1840-2416 >90 TUE MAR 09 18 40 19 17 19 43 03 06 05 22 05 48 06 25 06 32 10 50 16 13 9.6 7.4 76 1931-2155 >90 WED MAR 10 18 40 19 17 19 43 03 46 14 45 05 21 05 47 06 24 06 36 10 54 16 16 9.6 8.0 83 2019-1841 >90 THU MAR 11 18 40 19 18 19 43 04 23 15 36 05 21 05 46 06 24 06 40 10 58 16 20 9.6 8.7 89 2105-1445 >90 FRI MAR 12 18 40 19 18 19 44 04 57 16 26 05 20 05 45 06 23 06 45 11 02 16 23 9.6 9.2 96 2149-1017 >90 SAT MAR 13 18 41 19 18 19 44 05 30 17 14 05 19 05 44 06 22 06 49 11 06 16 26 9.6 9.6 100 2232-0527 >90 SUN MAR 14 18 41 19 19 19 44 06 03 18 02 05 18 05 44 06 21 06 53 11 10 16 29 9.6 9.6 100 2315-0023 >90 MON MAR 15 18 41 19 19 19 44 06 37 18 51 05 17 05 43 06 20 06 57 11 14 16 31 9.5 9.5 100 2358 0443 >90 TUE MAR 16 18 42 19 19 19 45 19 42 05 16 05 42 06 19 07 02 11 18 16 34 9.5 9.5 100 0043 0942 >90 WED MAR 17 18 42 19 19 19 45 20 34 05 15 05 41 06 19 07 06 11 22 16 37 9.5 8.7 91 0129 1423 >90 THU MAR 18 18 42 19 20 19 45 21 28 05 15 05 40 06 18 07 10 11 25 16 41 9.5 7.8 81 0219 1831 >90 FRI MAR 19 18 42 19 20 19 46 22 25 05 14 05 39 06 17 07 15 11 29 16 44 9.5 6.8 72 0311 2151 >90 SAT MAR 20 18 43 19 20 19 46 23 24 05 13 05 38 06 16 07 19 11 33 16 47 9.5 5.8 61 0407 2407 >90 SUN MAR 21 18 43 19 21 19 46 00 22 05 12 05 38 06 15 07 23 11 37 16 50 9.4 4.8 51 0507 2457 89 MON MAR 22 18 43 19 21 19 47 01 20 05 11 05 37 06 14 07 28 11 41 16 53 9.4 3.9 40 0606 2432 77 TUE MAR 23 18 44 19 21 19 47 02 13 05 10 05 36 06 13 07 31 11 45 16 56 9.4 2.9 31 0706 2227 65 WED MAR 24 18 44 19 21 19 47 03 03 05 09 05 35 06 12 07 35 11 49 16 59 9.4 2.1 22 0805 1853 53 THU MAR 25 18 44 19 22 19 47 14 17 03 50 05 08 05 34 06 12 07 39 11 53 17 02 9.4 1.3 13 0903 1404 41 FRI MAR 26 18 44 19 22 19 48 15 20 04 34 05 07 05 33 06 11 07 44 11 57 17 05 9.3 0.6 5 1000 0819 31 SAT MAR 27 18 45 19 22 19 48 16 23 05 16 05 06 05 32 06 10 07 48 12 01 17 08 9.3 0.0 0 1055 0200 24 SUN MAR 28 18 45 19 23 19 48 17 24 05 58 05 05 05 31 06 09 07 52 12 05 17 11 9.3 0.0 0 1149-0426 25 MON MAR 29 18 45 19 23 19 49 18 26 06 41 05 05 05 30 06 08 07 57 12 09 17 15 9.3 0.0 0 1244-1034 32 TUE MAR 30 18 45 19 23 19 49 19 27 05 04 05 29 06 07 08 01 12 13 17 18 9.2 0.0 0 1340-1602 42 WED MAR 31 18 46 19 24 19 49 20 29 05 03 05 29 06 06 08 05 12 17 17 21 9.2 0.7 7 1436-2027 53 ONE LINE REFERS TO EVENING DATE LAST QUARTER Mar 07 15:42 UT AND FOLLOWING MORNING. NEW MOON Mar 15 21:03 UT All dates and times are zone HST FIRST QUARTER Mar 23 11:01 UT in upper table (except sid time). FULL MOON Mar 30 02:26 UT