KECK OBSERVATORY CALENDAR FOR 2043 -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 2043 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 SUN FEB 01 18 24 19 03 19 29 00 43 05 42 06 08 06 47 03 30 08 28 14 37 11.1 5.7 51 1454-1945 >90 MON FEB 02 18 25 19 04 19 30 01 35 05 41 06 08 06 46 03 35 08 32 14 41 11.1 6.5 58 1543-2333 >90 TUE FEB 03 18 25 19 04 19 30 02 30 05 41 06 07 06 46 03 39 08 36 14 44 11.0 7.4 67 1634-2623 >90 WED FEB 04 18 26 19 05 19 31 03 26 05 41 06 07 06 46 03 44 08 40 14 48 11.0 8.3 75 1728-2803 >90 THU FEB 05 18 26 19 05 19 31 04 21 14 43 05 41 06 07 06 45 03 48 08 44 14 52 11.0 9.3 83 1824-2822 >90 FRI FEB 06 18 27 19 06 19 32 05 15 15 40 05 40 06 06 06 45 03 53 08 48 14 55 11.0 10.1 92 1921-2711 >90 SAT FEB 07 18 27 19 06 19 32 06 05 16 40 05 40 06 06 06 45 03 57 08 52 14 59 11.0 11.0 99 2018-2430 >90 SUN FEB 08 18 28 19 07 19 32 06 51 17 41 05 40 06 06 06 44 04 02 08 56 15 03 11.0 11.0 100 2113-2027 >90 MON FEB 09 18 28 19 07 19 33 18 42 05 39 06 05 06 44 04 06 09 00 15 06 11.0 11.0 100 2206-1515 >90 TUE FEB 10 18 29 19 07 19 33 19 41 05 39 06 05 06 43 04 10 09 04 15 10 11.0 10.4 94 2258-0911 >90 WED FEB 11 18 29 19 08 19 34 20 40 05 39 06 04 06 43 04 15 09 07 15 12 10.9 9.4 85 2348-0236 >90 THU FEB 12 18 30 19 08 19 34 21 39 05 38 06 04 06 42 04 19 09 11 15 16 10.9 8.4 76 0038 0410 >90 FRI FEB 13 18 30 19 09 19 35 22 39 05 38 06 03 06 42 04 24 09 15 15 19 10.9 7.4 67 0129 1045 >90 SAT FEB 14 18 31 19 09 19 35 23 40 05 37 06 03 06 41 04 28 09 19 15 23 10.9 6.4 58 0222 1648 >90 SUN FEB 15 18 31 19 10 19 35 00 44 05 37 06 03 06 41 04 32 09 23 15 27 10.9 5.3 48 0318 2152 84 MON FEB 16 18 32 19 10 19 36 01 49 05 36 06 02 06 40 04 36 09 27 15 30 10.9 4.2 38 0417 2545 71 TUE FEB 17 18 32 19 10 19 36 02 54 05 36 06 01 06 40 04 40 09 31 15 33 10.9 3.1 28 0519 2800 58 WED FEB 18 18 33 19 11 19 36 03 55 05 35 06 01 06 39 04 45 09 35 15 37 10.8 2.1 19 0622 2828 45 THU FEB 19 18 33 19 11 19 37 14 30 04 51 05 35 06 00 06 38 04 49 09 39 15 40 10.8 1.2 10 0724 2709 32 FRI FEB 20 18 33 19 11 19 37 15 32 05 39 05 34 06 00 06 38 04 53 09 43 15 44 10.8 0.3 3 0823 2415 19 SAT FEB 21 18 34 19 12 19 38 16 33 06 22 05 34 05 59 06 37 04 58 09 47 15 47 10.8 0.0 0 0918 2003 07 SUN FEB 22 18 34 19 12 19 38 17 31 05 33 05 59 06 36 05 02 09 51 15 51 10.8 0.0 0 1009 1457 06 MON FEB 23 18 35 19 13 19 38 18 25 05 32 05 58 06 36 05 07 09 55 15 54 10.7 0.0 0 1056 0917 18 TUE FEB 24 18 35 19 13 19 39 19 17 05 32 05 57 06 35 05 11 09 59 15 57 10.7 0.1 0 1142 0320 30 WED FEB 25 18 35 19 13 19 39 20 06 05 31 05 57 06 34 05 15 10 03 16 01 10.7 0.9 8 1225-0238 42 THU FEB 26 18 36 19 14 19 39 20 55 05 30 05 56 06 34 05 20 10 07 16 04 10.7 1.7 15 1309-0824 53 FRI FEB 27 18 36 19 14 19 40 21 44 05 30 05 55 06 33 05 24 10 11 16 07 10.7 2.5 23 1353-1348 64 SAT FEB 28 18 37 19 14 19 40 22 34 05 29 05 55 06 32 05 28 10 15 16 10 10.7 3.3 31 1438-1835 75 ONE LINE REFERS TO EVENING DATE LAST QUARTER Feb 02 04:14 UT AND FOLLOWING MORNING. NEW MOON Feb 09 21:06 UT All dates and times are zone HST FIRST QUARTER Feb 16 17:00 UT in upper table (except sid time). FULL MOON Feb 23 21:58 UT