KECK OBSERVATORY CALENDAR FOR 2007 -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 2007 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight THU MAR 01 18 37 19 15 19 40 16 43 06 13 05 28 05 54 06 32 05 57 10 17 15 46 9.8 0.0 0 0952+1456 FRI MAR 02 18 37 19 15 19 40 17 35 06 46 05 28 05 53 06 31 06 01 10 21 15 50 9.8 0.0 0 1037+0935 SAT MAR 03 18 38 19 15 19 41 18 25 07 17 05 27 05 52 06 30 06 06 10 25 15 53 9.8 0.0 0 1120+0356 SUN MAR 04 18 38 19 16 19 41 19 13 07 48 05 26 05 52 06 29 06 10 10 29 15 56 9.8 0.0 0 1202-0146 MON MAR 05 18 38 19 16 19 41 20 01 05 25 05 51 06 28 06 13 10 33 15 59 9.7 0.3 3 1244-0724 TUE MAR 06 18 39 19 16 19 42 20 49 05 25 05 50 06 28 06 18 10 37 16 03 9.7 1.1 11 1327-1244 WED MAR 07 18 39 19 16 19 42 21 39 05 24 05 49 06 27 06 22 10 41 16 06 9.7 1.9 20 1412-1738 THU MAR 08 18 39 19 17 19 42 22 30 05 23 05 49 06 26 06 26 10 45 16 09 9.7 2.8 28 1459-2153 FRI MAR 09 18 40 19 17 19 43 23 23 05 22 05 48 06 25 06 31 10 49 16 12 9.6 3.7 37 1549-2517 SAT MAR 10 18 40 19 17 19 43 00 19 05 21 05 47 06 24 06 35 10 53 16 15 9.6 4.6 47 1642-2735 SUN MAR 11 18 40 19 18 19 43 01 15 05 21 05 46 06 24 06 39 10 57 16 19 9.6 5.5 57 1739-2835 MON MAR 12 18 40 19 18 19 44 02 11 05 20 05 45 06 23 06 44 11 01 16 22 9.6 6.4 67 1837-2805 TUE MAR 13 18 41 19 18 19 44 03 04 05 19 05 44 06 22 06 48 11 05 16 25 9.6 7.3 76 1936-2559 WED MAR 14 18 41 19 19 19 44 03 53 05 18 05 44 06 21 06 52 11 09 16 28 9.6 8.1 85 2034-2219 THU MAR 15 18 41 19 19 19 44 04 39 05 17 05 43 06 20 06 56 11 13 16 30 9.5 8.9 93 2130-1715 FRI MAR 16 18 42 19 19 19 45 05 21 16 39 05 16 05 42 06 19 07 01 11 17 16 33 9.5 9.5 100 2225-1104 SAT MAR 17 18 42 19 19 19 45 06 02 17 41 05 15 05 41 06 19 07 05 11 20 16 36 9.5 9.5 100 2318-0409 SUN MAR 18 18 42 19 20 19 45 06 42 18 43 05 15 05 40 06 18 07 09 11 24 16 40 9.5 9.5 100 0012+0305 MON MAR 19 18 42 19 20 19 46 07 23 19 46 05 14 05 39 06 17 07 14 11 28 16 43 9.5 9.5 100 0106+1010 TUE MAR 20 18 43 19 20 19 46 20 51 05 13 05 38 06 16 07 18 11 32 16 46 9.5 8.4 88 0202+1637 WED MAR 21 18 43 19 21 19 46 21 57 05 12 05 38 06 15 07 22 11 36 16 49 9.4 7.2 76 0300+2159 THU MAR 22 18 43 19 21 19 47 23 05 05 11 05 37 06 14 07 26 11 40 16 52 9.4 6.1 64 0401+2554 FRI MAR 23 18 44 19 21 19 47 00 10 05 10 05 36 06 13 07 30 11 44 16 55 9.4 5.0 53 0503+2806 SAT MAR 24 18 44 19 21 19 47 01 12 05 09 05 35 06 12 07 34 11 48 16 58 9.4 4.0 42 0605+2831 SUN MAR 25 18 44 19 22 19 47 02 07 05 08 05 34 06 12 07 38 11 52 17 01 9.4 3.0 32 0704+2716 MON MAR 26 18 44 19 22 19 48 02 55 05 07 05 33 06 11 07 43 11 56 17 04 9.3 2.2 23 0800+2435 TUE MAR 27 18 45 19 22 19 48 03 37 05 06 05 32 06 10 07 47 12 00 17 07 9.3 1.5 15 0852+2046 WED MAR 28 18 45 19 23 19 48 04 15 05 05 05 31 06 09 07 51 12 04 17 10 9.3 0.8 8 0941+1608 THU MAR 29 18 45 19 23 19 49 04 48 05 04 05 30 06 08 07 56 12 08 17 13 9.2 0.3 2 1026+1056 FRI MAR 30 18 45 19 23 19 49 16 21 05 20 05 04 05 29 06 07 08 00 12 12 17 17 9.2 0.0 0 1109+0524 SAT MAR 31 18 46 19 24 19 49 17 10 05 50 05 03 05 29 06 06 08 04 12 16 17 19 9.2 0.0 0 1151-0016 ONE LINE REFERS TO EVENING DATE FULL MOON MAR 03 23:19 UT AND FOLLOWING MORNING. LAST QUARTER MAR 12 03:58 UT All dates and times are zone HST NEW MOON MAR 19 02:43 UT in upper table (except sid time). FIRST QUARTER MAR 25 18:18 UT