KECK OBSERVATORY CALENDAR FOR 2007 -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 2007 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight THU FEB 01 18 24 19 03 19 29 17 55 07 38 05 42 06 08 06 47 03 29 08 27 14 36 11.1 0.0 0 0918+1827 FRI FEB 02 18 25 19 04 19 30 18 50 05 41 06 08 06 46 03 34 08 31 14 40 11.1 0.0 0 1005+1325 SAT FEB 03 18 25 19 04 19 30 19 41 05 41 06 07 06 46 03 38 08 35 14 43 11.0 0.6 5 1050+0756 SUN FEB 04 18 26 19 05 19 31 20 31 05 41 06 07 06 46 03 43 08 39 14 47 11.0 1.4 12 1133+0215 MON FEB 05 18 26 19 05 19 31 21 19 05 41 06 07 06 45 03 47 08 43 14 51 11.0 2.2 20 1215-0326 TUE FEB 06 18 27 19 06 19 32 22 06 05 40 06 06 06 45 03 52 08 47 14 54 11.0 3.0 27 1257-0858 WED FEB 07 18 27 19 06 19 32 22 55 05 40 06 06 06 45 03 56 08 51 14 58 11.0 3.8 34 1340-1412 THU FEB 08 18 28 19 06 19 32 23 45 05 40 06 06 06 44 04 00 08 55 15 02 11.0 4.6 42 1425-1856 FRI FEB 09 18 28 19 07 19 33 00 38 05 39 06 05 06 44 04 05 08 59 15 05 11.0 5.5 50 1514-2258 SAT FEB 10 18 29 19 07 19 33 01 33 05 39 06 05 06 43 04 09 09 02 15 08 11.0 6.4 58 1606-2606 SUN FEB 11 18 29 19 08 19 34 02 30 05 39 06 04 06 43 04 14 09 06 15 11 10.9 7.4 67 1701-2802 MON FEB 12 18 30 19 08 19 34 03 28 05 38 06 04 06 42 04 18 09 10 15 15 10.9 8.3 76 1800-2832 TUE FEB 13 18 30 19 09 19 35 04 24 05 38 06 03 06 42 04 23 09 14 15 18 10.9 9.3 84 1900-2724 WED FEB 14 18 31 19 09 19 35 05 17 05 37 06 03 06 41 04 26 09 18 15 22 10.9 10.1 92 2000-2434 THU FEB 15 18 31 19 10 19 35 06 06 16 53 05 37 06 02 06 41 04 31 09 22 15 25 10.9 10.9 100 2059-2012 FRI FEB 16 18 32 19 10 19 36 06 50 17 57 05 36 06 02 06 40 04 35 09 26 15 29 10.9 10.9 100 2155-1432 SAT FEB 17 18 32 19 10 19 36 07 31 19 00 05 36 06 01 06 40 04 39 09 30 15 32 10.9 10.9 100 2249-0759 SUN FEB 18 18 33 19 11 19 36 20 02 05 35 06 01 06 39 04 44 09 34 15 36 10.8 10.0 92 2342-0057 MON FEB 19 18 33 19 11 19 37 21 03 05 35 06 00 06 38 04 48 09 38 15 39 10.8 9.0 82 0034+0607 TUE FEB 20 18 33 19 11 19 37 22 05 05 34 06 00 06 38 04 52 09 42 15 43 10.8 7.9 73 0128+1248 WED FEB 21 18 34 19 12 19 37 23 08 05 33 05 59 06 37 04 57 09 46 15 46 10.8 6.9 63 0222+1842 THU FEB 22 18 34 19 12 19 38 00 12 05 33 05 59 06 36 05 01 09 50 15 50 10.8 5.8 53 0320+2326 FRI FEB 23 18 35 19 13 19 38 01 17 05 32 05 58 06 36 05 06 09 54 15 53 10.7 4.7 43 0419+2644 SAT FEB 24 18 35 19 13 19 39 02 19 05 32 05 57 06 35 05 10 09 58 15 56 10.7 3.6 33 0520+2824 SUN FEB 25 18 35 19 13 19 39 03 18 05 31 05 57 06 34 05 14 10 02 16 00 10.7 2.6 24 0620+2822 MON FEB 26 18 36 19 14 19 39 04 10 05 30 05 56 06 34 05 19 10 06 16 03 10.7 1.8 16 0718+2646 TUE FEB 27 18 36 19 14 19 40 04 56 05 30 05 55 06 33 05 23 10 09 16 05 10.7 1.0 9 0813+2348 WED FEB 28 18 37 19 14 19 40 05 37 05 29 05 55 06 32 05 27 10 13 16 09 10.7 0.3 2 0904+1946 ONE LINE REFERS TO EVENING DATE FULL MOON FEB 02 05:48 UT AND FOLLOWING MORNING. LAST QUARTER FEB 10 09:54 UT All dates and times are zone HST NEW MOON FEB 17 16:15 UT in upper table (except sid time). FIRST QUARTER FEB 24 07:59 UT