KECK OBSERVATORY CALENDAR FOR 2042 -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 2042 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 MON DEC 01 17 52 18 32 18 59 22 18 05 23 05 50 06 30 23 22 04 24 09 48 10.4 3.3 31 0930 1928 71 TUE DEC 02 17 53 18 33 19 00 23 14 05 23 05 50 06 30 23 27 04 28 09 51 10.4 4.2 40 1018 1427 83 WED DEC 03 17 53 18 33 19 00 00 06 05 24 05 51 06 31 23 31 04 32 09 56 10.4 5.1 49 1104 0905 >90 THU DEC 04 17 53 18 33 19 00 00 54 05 24 05 51 06 32 23 35 04 35 10 00 10.4 5.9 56 1147 0329 >90 FRI DEC 05 17 53 18 33 19 00 01 42 05 25 05 52 06 32 23 39 04 39 10 05 10.4 6.7 64 1229-0209 >90 SAT DEC 06 17 53 18 34 19 01 02 30 14 11 05 25 05 52 06 33 23 44 04 43 10 09 10.4 7.5 71 1311-0738 >90 SUN DEC 07 17 53 18 34 19 01 03 18 14 42 05 26 05 53 06 33 23 47 04 47 10 14 10.4 8.3 79 1353-1251 >90 MON DEC 08 17 54 18 34 19 01 04 09 15 15 05 27 05 54 06 34 23 51 04 51 10 19 10.4 9.1 87 1438-1738 >90 TUE DEC 09 17 54 18 34 19 01 05 01 15 52 05 27 05 54 06 35 23 55 04 55 10 23 10.4 10.0 95 1525-2146 >90 WED DEC 10 17 54 18 35 19 02 05 56 16 33 05 28 05 55 06 35 00 00 04 59 10 28 10.4 10.4 100 1614-2503 >90 THU DEC 11 17 55 18 35 19 02 06 52 17 19 05 28 05 55 06 36 00 04 05 03 10 32 10.4 10.4 100 1707-2716 >90 FRI DEC 12 17 55 18 35 19 03 18 10 05 29 05 56 06 36 00 09 05 07 10 37 10.4 10.4 100 1803-2810 >90 SAT DEC 13 17 55 18 36 19 03 19 05 05 29 05 56 06 37 00 13 05 11 10 41 10.4 10.4 99 1859-2740 >90 SUN DEC 14 17 56 18 36 19 03 20 04 05 30 05 57 06 38 00 17 05 15 10 46 10.5 9.4 90 1955-2542 >90 MON DEC 15 17 56 18 37 19 04 21 03 05 30 05 58 06 38 00 22 05 19 10 50 10.4 8.5 80 2050-2222 >90 TUE DEC 16 17 56 18 37 19 04 22 02 05 31 05 58 06 39 00 26 05 23 10 55 10.4 7.5 71 2143-1752 >90 WED DEC 17 17 57 18 37 19 05 22 59 05 32 05 59 06 39 00 31 05 27 11 00 10.4 6.5 62 2233-1225 >90 THU DEC 18 17 57 18 38 19 05 23 56 05 32 05 59 06 40 00 35 05 31 11 04 10.4 5.6 53 2323-0617 >90 FRI DEC 19 17 58 18 38 19 05 00 53 05 33 06 00 06 40 00 39 05 35 11 09 10.5 4.7 44 0012 0016 81 SAT DEC 20 17 58 18 39 19 06 01 51 05 33 06 00 06 41 00 44 05 39 11 12 10.4 3.7 35 0102 0659 68 SUN DEC 21 17 59 18 39 19 06 02 52 05 34 06 01 06 41 00 48 05 42 11 17 10.5 2.7 25 0155 1328 55 MON DEC 22 17 59 18 40 19 07 14 10 03 56 05 34 06 01 06 42 00 53 05 46 11 21 10.4 1.6 15 0251 1918 41 TUE DEC 23 18 00 18 40 19 07 14 57 05 04 05 35 06 02 06 42 00 57 05 50 11 26 10.5 0.5 4 0351 2401 28 WED DEC 24 18 00 18 41 19 08 15 50 06 12 05 35 06 02 06 43 01 02 05 54 11 30 10.5 0.0 0 0456 2711 15 THU DEC 25 18 01 18 41 19 08 16 50 05 35 06 03 06 43 01 05 05 58 11 34 10.5 0.0 0 0602 2826 09 FRI DEC 26 18 01 18 42 19 09 17 54 05 36 06 03 06 44 01 10 06 02 11 39 10.5 0.0 0 0708 2742 17 SAT DEC 27 18 02 18 42 19 10 18 59 05 36 06 04 06 44 01 15 06 06 11 43 10.4 0.0 0 0810 2511 29 SUN DEC 28 18 02 18 43 19 10 20 02 05 37 06 04 06 44 01 19 06 10 11 48 10.5 0.9 8 0907 2116 41 MON DEC 29 18 03 18 44 19 11 21 00 05 37 06 04 06 45 01 24 06 14 11 52 10.4 1.8 17 0959 1623 53 TUE DEC 30 18 04 18 44 19 11 21 55 05 38 06 05 06 45 01 28 06 18 11 57 10.5 2.7 26 1047 1055 65 WED DEC 31 18 04 18 45 19 12 22 46 05 38 06 05 06 46 01 33 06 22 12 01 10.4 3.6 34 1132 0511 77 ONE LINE REFERS TO EVENING DATE LAST QUARTER Dec 04 09:18 UT AND FOLLOWING MORNING. NEW MOON Dec 12 14:30 UT All dates and times are zone HST FIRST QUARTER Dec 20 00:26 UT in upper table (except sid time). FULL MOON Dec 26 17:43 UT