KECK OBSERVATORY CALENDAR FOR 2009 -NAUTICAL (computed for altitude 4160.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) Zenith 2009 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 12 12 h h % h m d m deg TUE SEP 01 18 48 19 26 19 53 16 44 04 40 04 52 05 18 05 56 17 50 22 25 03 44 9.9 0.6 6 2107-1535 40 WED SEP 02 18 47 19 25 19 52 17 20 05 30 04 52 05 18 05 57 17 53 22 29 03 48 9.9 0.0 0 2153-1046 32 THU SEP 03 18 46 19 24 19 51 17 54 06 20 04 52 05 19 05 57 17 56 22 33 03 53 9.9 0.0 0 2238-0530 25 FRI SEP 04 18 45 19 23 19 50 18 28 04 53 05 19 05 57 17 59 22 37 03 57 9.9 0.0 0 2323 0002 23 SAT SEP 05 18 44 19 22 19 49 19 02 04 53 05 19 05 57 18 02 22 41 04 00 9.9 0.0 0 0009 0538 26 SUN SEP 06 18 43 19 21 19 48 19 37 04 53 05 19 05 57 18 05 22 45 04 04 10.0 0.3 2 0056 1104 33 MON SEP 07 18 43 19 21 19 47 20 14 04 54 05 20 05 58 18 09 22 48 04 09 10.0 0.9 8 0146 1604 42 TUE SEP 08 18 42 19 20 19 46 20 56 04 54 05 20 05 58 18 12 22 52 04 13 10.0 1.6 15 0239 2021 53 WED SEP 09 18 41 19 19 19 45 21 44 04 54 05 20 05 58 18 15 22 56 04 17 10.0 2.4 24 0335 2337 64 THU SEP 10 18 40 19 18 19 44 22 37 04 54 05 20 05 58 18 18 23 00 04 21 10.0 3.3 33 0435 2532 76 FRI SEP 11 18 39 19 17 19 43 23 36 04 55 05 21 05 59 18 20 23 04 04 26 10.1 4.3 42 0536 2547 88 SAT SEP 12 18 38 19 16 19 42 00 39 04 55 05 21 05 59 18 23 23 08 04 30 10.1 5.4 53 0639 2436 >90 SUN SEP 13 18 37 19 15 19 41 01 45 14 49 04 55 05 21 05 59 18 26 23 12 04 34 10.1 6.5 64 0740 2140 >90 MON SEP 14 18 36 19 14 19 40 02 51 15 40 04 56 05 21 05 59 18 29 23 16 04 38 10.1 7.6 75 0839 1722 >90 TUE SEP 15 18 35 19 13 19 39 03 54 16 27 04 56 05 22 05 59 18 32 23 20 04 43 10.1 8.7 85 0934 1200 >90 WED SEP 16 18 34 19 12 19 38 04 56 17 10 04 56 05 22 06 00 18 35 23 24 04 47 10.2 9.7 95 1028 0559 >90 THU SEP 17 18 33 19 11 19 37 05 56 17 50 04 56 05 22 06 00 18 38 23 28 04 51 10.2 10.2 100 1120-0019 >90 FRI SEP 18 18 33 19 10 19 36 06 55 18 30 04 57 05 22 06 00 18 41 23 32 04 55 10.2 10.2 100 1211-0631 >90 SAT SEP 19 18 32 19 09 19 35 19 11 04 57 05 23 06 00 18 44 23 36 05 00 10.2 10.2 99 1302-1216 >90 SUN SEP 20 18 31 19 08 19 34 19 53 04 57 05 23 06 00 18 47 23 40 05 04 10.2 9.5 92 1353-1718 >90 MON SEP 21 18 30 19 07 19 33 20 37 04 57 05 23 06 01 18 50 23 44 05 08 10.3 8.8 85 1446-2122 >90 TUE SEP 22 18 29 19 06 19 32 21 23 04 58 05 23 06 01 18 53 23 48 05 11 10.3 8.0 77 1540-2418 >90 WED SEP 23 18 28 19 05 19 31 22 13 04 58 05 23 06 01 18 56 23 52 05 15 10.3 7.2 69 1634-2559 >90 THU SEP 24 18 27 19 05 19 30 23 05 04 58 05 24 06 01 19 00 23 55 05 20 10.3 6.3 61 1728-2623 >90 FRI SEP 25 18 26 19 04 19 29 23 57 04 58 05 24 06 01 19 03 23 59 05 24 10.3 5.4 52 1822-2533 >90 SAT SEP 26 18 25 19 03 19 28 00 50 04 59 05 24 06 02 19 06 00 03 05 28 10.4 4.6 44 1914-2331 83 SUN SEP 27 18 24 19 02 19 27 14 02 01 42 04 59 05 24 06 02 19 09 00 07 05 32 10.4 3.7 35 2003-2037 72 MON SEP 28 18 23 19 01 19 26 14 42 02 33 04 59 05 25 06 02 19 11 00 11 05 37 10.4 2.9 27 2051-1645 61 TUE SEP 29 18 23 19 00 19 26 15 19 03 23 04 59 05 25 06 02 19 14 00 15 05 41 10.4 2.0 19 2137-1211 50 WED SEP 30 18 22 18 59 19 25 15 53 04 13 05 00 05 25 06 03 19 17 00 19 05 45 10.4 1.2 11 2222-0706 39 ONE LINE REFERS TO EVENING DATE FULL MOON Sep 04 16:03 UT AND FOLLOWING MORNING. LAST QUARTER Sep 12 02:16 UT All dates and times are zone HST NEW MOON Sep 18 18:43 UT in upper table (except sid time). FIRST QUARTER Sep 26 04:50 UT