KECK OBSERVATORY CALENDAR FOR 2039 -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 2039 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 THU DEC 01 17 52 18 32 18 59 18 31 05 23 05 50 06 30 23 21 04 23 09 46 10.4 0.0 0 0555 2455 22 FRI DEC 02 17 53 18 33 19 00 19 19 05 23 05 50 06 30 23 26 04 26 09 50 10.4 0.3 3 0648 2530 33 SAT DEC 03 17 53 18 33 19 00 20 10 05 24 05 51 06 31 23 30 04 30 09 55 10.4 1.2 11 0741 2453 44 SUN DEC 04 17 53 18 33 19 00 21 03 05 24 05 51 06 32 23 34 04 34 09 59 10.4 2.0 19 0833 2307 55 MON DEC 05 17 53 18 33 19 00 21 56 05 25 05 52 06 32 23 37 04 38 10 04 10.4 2.9 28 0924 2018 67 TUE DEC 06 17 53 18 34 19 01 22 49 05 25 05 52 06 33 23 42 04 42 10 08 10.4 3.8 36 1013 1633 78 WED DEC 07 17 53 18 34 19 01 23 43 05 26 05 53 06 33 23 46 04 46 10 13 10.4 4.7 45 1100 1154 89 THU DEC 08 17 54 18 34 19 01 00 36 05 27 05 54 06 34 23 50 04 50 10 18 10.4 5.6 53 1149 0656 >90 FRI DEC 09 17 54 18 34 19 01 01 30 05 27 05 54 06 35 23 54 04 54 10 22 10.4 6.5 62 1236 0122 >90 SAT DEC 10 17 54 18 35 19 02 02 27 14 12 05 28 05 55 06 35 23 59 04 58 10 27 10.4 7.4 71 1325-0426 >90 SUN DEC 11 17 55 18 35 19 02 03 26 14 52 05 28 05 55 06 36 00 03 05 02 10 31 10.4 8.4 80 1417-1012 >90 MON DEC 12 17 55 18 35 19 03 04 28 15 35 05 29 05 56 06 36 00 08 05 06 10 36 10.4 9.4 90 1512-1536 >90 TUE DEC 13 17 55 18 36 19 03 05 35 16 23 05 29 05 56 06 37 00 12 05 10 10 40 10.4 10.4 100 1611-2012 >90 WED DEC 14 17 56 18 36 19 03 06 44 17 17 05 30 05 57 06 38 00 16 05 14 10 45 10.5 10.5 100 1714-2332 >90 THU DEC 15 17 56 18 37 19 04 18 19 05 30 05 58 06 38 00 21 05 18 10 49 10.4 10.4 100 1819-2513 >90 FRI DEC 16 17 56 18 37 19 04 19 25 05 31 05 58 06 39 00 25 05 22 10 54 10.4 10.1 96 1926-2504 >90 SAT DEC 17 17 57 18 37 19 05 20 32 05 32 05 59 06 39 00 30 05 26 10 59 10.4 9.0 86 2030-2309 >90 SUN DEC 18 17 57 18 38 19 05 21 38 05 32 05 59 06 40 00 34 05 30 11 02 10.4 7.9 75 2130-1947 >90 MON DEC 19 17 58 18 38 19 05 22 40 05 33 06 00 06 40 00 38 05 34 11 07 10.5 6.9 65 2226-1521 >90 TUE DEC 20 17 58 18 39 19 06 23 37 05 33 06 00 06 41 00 43 05 37 11 11 10.4 5.9 56 2317-1014 >90 WED DEC 21 17 59 18 39 19 06 00 32 05 34 06 01 06 41 00 47 05 41 11 16 10.5 5.0 48 0007-0444 86 THU DEC 22 17 59 18 40 19 07 01 24 05 34 06 01 06 42 00 52 05 45 11 20 10.4 4.2 39 0053 0041 74 FRI DEC 23 18 00 18 40 19 07 02 15 05 35 06 02 06 42 00 55 05 49 11 25 10.5 3.3 31 0138 0602 62 SAT DEC 24 18 00 18 41 19 08 03 06 05 35 06 02 06 43 01 00 05 53 11 29 10.5 2.5 23 0224 1105 51 SUN DEC 25 18 01 18 41 19 08 14 27 03 57 05 35 06 03 06 43 01 04 05 57 11 33 10.5 1.6 15 0310 1537 40 MON DEC 26 18 01 18 42 19 09 15 05 04 49 05 36 06 03 06 44 01 09 06 01 11 38 10.5 0.8 7 0358 1930 29 TUE DEC 27 18 02 18 42 19 10 15 45 05 41 05 36 06 04 06 44 01 14 06 05 11 42 10.4 0.0 0 0448 2232 18 WED DEC 28 18 02 18 43 19 10 16 29 06 33 05 37 06 04 06 44 01 18 06 09 11 47 10.5 0.0 0 0540 2435 08 THU DEC 29 18 03 18 44 19 11 17 16 05 37 06 04 06 45 01 23 06 13 11 51 10.4 0.0 0 0633 2530 07 FRI DEC 30 18 04 18 44 19 11 18 06 05 38 06 05 06 45 01 27 06 17 11 56 10.5 0.0 0 0726 2513 17 SAT DEC 31 18 04 18 45 19 12 18 58 05 38 06 05 06 46 01 32 06 21 12 00 10.4 0.0 0 0819 2345 28 ONE LINE REFERS TO EVENING DATE LAST QUARTER Dec 08 20:46 UT AND FOLLOWING MORNING. NEW MOON Dec 15 16:32 UT All dates and times are zone HST FIRST QUARTER Dec 22 10:00 UT in upper table (except sid time). FULL MOON Dec 30 12:38 UT