KECK OBSERVATORY CALENDAR FOR 2009 -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 2009 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 WED JUL 01 19 16 19 59 20 29 14 27 02 07 04 23 04 53 05 35 14 49 18 20 22 44 7.9 2.3 28 1443-2151 68 THU JUL 02 19 16 19 59 20 29 15 21 02 52 04 23 04 53 05 36 14 53 18 24 22 48 7.9 1.5 19 1535-2449 61 FRI JUL 03 19 16 19 59 20 29 16 15 03 40 04 24 04 54 05 36 14 57 18 28 22 53 7.9 0.7 9 1629-2637 55 SAT JUL 04 19 16 19 59 20 29 17 08 04 31 04 24 04 54 05 36 15 01 18 32 22 57 7.9 0.0 0 1723-2709 50 SUN JUL 05 19 16 19 59 20 28 17 58 05 23 04 24 04 54 05 37 15 04 18 36 23 01 7.9 0.0 0 1817-2626 46 MON JUL 06 19 16 19 58 20 28 18 45 06 16 04 25 04 55 05 37 15 08 18 40 23 06 7.9 0.0 0 1909-2430 45 TUE JUL 07 19 16 19 58 20 28 19 28 04 25 04 55 05 37 15 11 18 44 23 10 7.9 0.0 0 2000-2132 45 WED JUL 08 19 16 19 58 20 28 20 07 04 26 04 56 05 38 15 15 18 48 23 15 8.0 0.0 0 2048-1740 48 THU JUL 09 19 16 19 58 20 28 20 43 04 26 04 56 05 38 15 19 18 52 23 19 8.0 0.2 3 2134-1308 52 FRI JUL 10 19 16 19 58 20 28 21 17 04 27 04 56 05 39 15 23 18 56 23 24 8.0 0.8 10 2219-0805 57 SAT JUL 11 19 16 19 58 20 28 21 50 04 27 04 57 05 39 15 27 19 00 23 28 8.0 1.4 17 2303-0243 64 SUN JUL 12 19 16 19 58 20 27 22 24 04 28 04 57 05 39 15 30 19 04 23 32 8.0 1.9 24 2347 0248 71 MON JUL 13 19 16 19 58 20 27 22 58 04 28 04 58 05 40 15 34 19 08 23 36 8.0 2.5 31 0033 0816 79 TUE JUL 14 19 15 19 57 20 27 23 35 04 29 04 58 05 40 15 38 19 12 23 41 8.0 3.1 39 0120 1326 88 WED JUL 15 19 15 19 57 20 27 00 16 04 29 04 59 05 40 15 42 19 16 23 45 8.0 3.8 47 0213 1815 >90 THU JUL 16 19 15 19 57 20 26 01 03 14 05 04 30 04 59 05 41 15 45 19 20 23 50 8.1 4.6 57 0309 2208 >90 FRI JUL 17 19 15 19 57 20 26 01 57 15 09 04 30 05 00 05 41 15 49 19 23 23 54 8.1 5.5 68 0409 2447 >90 SAT JUL 18 19 15 19 56 20 26 02 59 16 14 04 31 05 00 05 42 15 53 19 27 23 59 8.1 6.6 81 0513 2551 >90 SUN JUL 19 19 14 19 56 20 25 04 06 17 19 04 31 05 00 05 42 15 56 19 31 00 03 8.1 7.7 94 0618 2506 >90 MON JUL 20 19 14 19 56 20 25 05 16 18 20 04 32 05 01 05 42 16 00 19 35 00 08 8.1 8.1 100 0723 2230 >90 TUE JUL 21 19 14 19 55 20 24 06 25 19 14 04 32 05 01 05 43 16 03 19 39 00 12 8.1 8.1 100 0825 1818 >90 WED JUL 22 19 14 19 55 20 24 20 03 04 33 05 02 05 43 16 07 19 43 00 17 8.2 8.2 100 0923 1256 >90 THU JUL 23 19 13 19 55 20 24 20 47 04 33 05 02 05 44 16 11 19 47 00 21 8.2 7.8 95 1017 0652 >90 FRI JUL 24 19 13 19 54 20 23 21 27 04 34 05 03 05 44 16 13 19 51 00 26 8.2 7.1 86 1109 0033 >90 SAT JUL 25 19 13 19 54 20 23 22 05 04 34 05 03 05 44 16 17 19 55 00 30 8.2 6.5 79 1159-0539 >90 SUN JUL 26 19 12 19 53 20 22 22 44 04 35 05 04 05 45 16 20 19 59 00 35 8.2 5.8 71 1248-1125 >90 MON JUL 27 19 12 19 53 20 21 23 24 04 35 05 04 05 45 16 23 20 03 00 39 8.2 5.2 62 1338-1631 >90 TUE JUL 28 19 11 19 52 20 21 00 05 04 36 05 05 05 46 16 27 20 07 00 44 8.2 4.5 54 1434-2019 >90 WED JUL 29 19 11 19 52 20 20 00 49 04 37 05 05 05 46 16 30 20 11 00 49 8.3 3.8 45 1521-2358 83 THU JUL 30 19 10 19 51 20 20 14 10 01 36 04 37 05 06 05 46 16 34 20 15 00 52 8.3 3.0 36 1614-2610 74 FRI JUL 31 19 10 19 51 20 19 15 04 02 27 04 38 05 06 05 47 16 37 20 19 00 57 8.3 2.2 26 1708-2703 66 ONE LINE REFERS TO EVENING DATE FULL MOON Jul 07 09:21 UT AND FOLLOWING MORNING. LAST QUARTER Jul 15 09:53 UT All dates and times are zone HST NEW MOON Jul 22 02:34 UT in upper table (except sid time). FIRST QUARTER Jul 28 21:59 UT