KECK OBSERVATORY CALENDAR FOR 2045 -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 2045 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 FRI DEC 01 17 52 18 32 18 59 01 01 05 23 05 50 06 30 23 23 04 25 09 49 10.4 6.0 58 1136-0042 >90 SAT DEC 02 17 53 18 33 19 00 01 58 05 23 05 50 06 30 23 28 04 29 09 53 10.4 7.0 67 1225-0700 >90 SUN DEC 03 17 53 18 33 19 00 02 56 14 15 05 24 05 51 06 31 23 32 04 33 09 57 10.4 7.9 76 1316-1255 >90 MON DEC 04 17 53 18 33 19 00 03 56 14 56 05 24 05 51 06 32 23 36 04 37 10 01 10.4 8.9 85 1408-1807 >90 TUE DEC 05 17 53 18 33 19 00 04 56 15 40 05 25 05 52 06 32 23 40 04 40 10 06 10.4 9.9 95 1502-2221 >90 WED DEC 06 17 53 18 34 19 01 05 57 16 29 05 25 05 52 06 33 23 45 04 44 10 10 10.4 10.4 100 1559-2520 >90 THU DEC 07 17 53 18 34 19 01 06 55 17 22 05 26 05 53 06 33 23 49 04 48 10 15 10.4 10.4 100 1656-2654 >90 FRI DEC 08 17 54 18 34 19 01 18 17 05 27 05 54 06 34 23 52 04 52 10 20 10.4 10.4 100 1754-2700 >90 SAT DEC 09 17 54 18 34 19 01 19 14 05 27 05 54 06 35 23 56 04 56 10 24 10.4 10.2 97 1849-2542 >90 SUN DEC 10 17 54 18 35 19 02 20 10 05 28 05 55 06 35 00 01 05 00 10 29 10.4 9.3 89 1942-2310 >90 MON DEC 11 17 55 18 35 19 02 21 05 05 28 05 55 06 36 00 05 05 04 10 33 10.4 8.4 80 2031-1939 >90 TUE DEC 12 17 55 18 35 19 03 21 56 05 29 05 56 06 36 00 10 05 08 10 38 10.4 7.6 72 2118-1523 >90 WED DEC 13 17 55 18 36 19 03 22 46 05 29 05 56 06 37 00 14 05 12 10 42 10.4 6.7 64 2202-1034 >90 THU DEC 14 17 56 18 36 19 03 23 34 05 30 05 57 06 38 00 18 05 16 10 47 10.5 5.9 56 2245-0523 >90 FRI DEC 15 17 56 18 37 19 04 00 21 05 30 05 58 06 38 00 23 05 20 10 51 10.4 5.2 49 2328-0006 88 SAT DEC 16 17 56 18 37 19 04 01 09 05 31 05 58 06 39 00 27 05 24 10 56 10.4 4.4 41 0010 0527 77 SUN DEC 17 17 57 18 37 19 05 02 00 05 32 05 59 06 39 00 32 05 28 11 01 10.4 3.5 33 0054 1051 66 MON DEC 18 17 57 18 38 19 05 02 53 05 32 05 59 06 40 00 36 05 32 11 05 10.4 2.7 25 0141 1557 55 TUE DEC 19 17 58 18 38 19 05 14 01 03 50 05 33 06 00 06 40 00 40 05 36 11 10 10.5 1.7 16 0232 2031 43 WED DEC 20 17 58 18 39 19 06 14 45 04 50 05 33 06 00 06 41 00 45 05 40 11 14 10.4 0.7 6 0328 2412 31 THU DEC 21 17 59 18 39 19 06 15 35 05 53 05 34 06 01 06 41 00 49 05 44 11 18 10.5 0.0 0 0428 2637 19 FRI DEC 22 17 59 18 40 19 07 16 32 06 55 05 34 06 01 06 42 00 54 05 47 11 22 10.4 0.0 0 0532 2724 08 SAT DEC 23 18 00 18 40 19 07 17 36 05 35 06 02 06 42 00 58 05 51 11 27 10.5 0.0 0 0637 2621 12 SUN DEC 24 18 00 18 41 19 08 18 43 05 35 06 02 06 43 01 03 05 55 11 31 10.5 0.0 0 0740 2328 25 MON DEC 25 18 01 18 41 19 08 19 50 05 35 06 03 06 43 01 07 05 59 11 35 10.5 0.7 6 0841 1901 38 TUE DEC 26 18 01 18 42 19 09 20 54 05 36 06 03 06 44 01 11 06 03 11 40 10.5 1.8 16 0938 1326 52 WED DEC 27 18 02 18 42 19 10 21 56 05 36 06 04 06 44 01 16 06 07 11 44 10.4 2.8 26 1032 0708 65 THU DEC 28 18 02 18 43 19 10 22 56 05 37 06 04 06 44 01 20 06 11 11 49 10.5 3.8 36 1123 0034 79 FRI DEC 29 18 03 18 44 19 11 23 54 05 37 06 04 06 45 01 25 06 15 11 53 10.4 4.7 45 1210-0527 >90 SAT DEC 30 18 04 18 44 19 11 00 51 05 38 06 05 06 45 01 29 06 19 11 58 10.5 5.7 54 1305-1154 >90 SUN DEC 31 18 04 18 45 19 12 01 50 05 38 06 05 06 46 01 34 06 23 12 02 10.4 6.6 63 1356-1714 >90 ONE LINE REFERS TO EVENING DATE LAST QUARTER Dec 01 09:47 UT AND FOLLOWING MORNING. NEW MOON Dec 08 11:41 UT All dates and times are zone HST FIRST QUARTER Dec 16 13:09 UT in upper table (except sid time). FULL MOON Dec 24 00:50 UT LAST QUARTER Dec 30 18:13 UT