KECK OBSERVATORY CALENDAR FOR 2050 -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 2050 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 FEB 01 18 24 19 03 19 29 14 06 03 59 05 42 06 08 06 47 03 31 08 29 14 38 11.1 2.1 19 0536 2056 41 WED FEB 02 18 25 19 04 19 30 14 57 04 46 05 41 06 08 06 46 03 36 08 33 14 42 11.1 1.4 12 0628 1959 29 THU FEB 03 18 25 19 04 19 30 15 48 05 30 05 41 06 07 06 46 03 40 08 37 14 45 11.0 0.6 5 0719 1807 19 FRI FEB 04 18 26 19 05 19 31 16 39 06 11 05 41 06 07 06 46 03 45 08 41 14 49 11.0 0.0 0 0808 1527 09 SAT FEB 05 18 26 19 05 19 31 17 29 06 49 05 41 06 07 06 45 03 49 08 45 14 53 11.0 0.0 0 0856 1209 08 SUN FEB 06 18 27 19 06 19 32 18 19 05 40 06 06 06 45 03 54 08 49 14 56 11.0 0.0 0 0942 0822 17 MON FEB 07 18 27 19 06 19 32 19 07 05 40 06 06 06 45 03 58 08 53 15 00 11.0 0.0 0 1028 0415 28 TUE FEB 08 18 28 19 07 19 32 19 56 05 40 06 06 06 44 04 03 08 57 15 04 11.0 0.8 7 1113-0003 39 WED FEB 09 18 28 19 07 19 33 20 44 05 39 06 05 06 44 04 07 09 01 15 07 11.0 1.6 14 1158-0421 50 THU FEB 10 18 29 19 07 19 33 21 33 05 39 06 05 06 43 04 11 09 05 15 11 11.0 2.4 22 1244-0831 61 FRI FEB 11 18 29 19 08 19 34 22 23 05 39 06 04 06 43 04 16 09 09 15 14 10.9 3.2 29 1331-1224 72 SAT FEB 12 18 30 19 08 19 34 23 15 05 38 06 04 06 42 04 20 09 13 15 18 10.9 4.1 37 1420-1542 84 SUN FEB 13 18 30 19 09 19 35 00 09 05 38 06 03 06 42 04 25 09 17 15 21 10.9 5.0 45 1513-1828 >90 MON FEB 14 18 31 19 09 19 35 01 06 05 37 06 03 06 41 04 29 09 21 15 25 10.9 6.0 54 1607-2019 >90 TUE FEB 15 18 31 19 10 19 35 02 03 05 37 06 03 06 41 04 34 09 24 15 28 10.9 6.9 63 1705-2105 >90 WED FEB 16 18 32 19 10 19 36 03 00 05 36 06 02 06 40 04 38 09 28 15 31 10.9 7.8 72 1804-2038 >90 THU FEB 17 18 32 19 10 19 36 03 56 14 48 05 36 06 01 06 40 04 42 09 32 15 34 10.9 8.8 80 1904-1854 >90 FRI FEB 18 18 33 19 11 19 36 04 50 15 51 05 35 06 01 06 39 04 46 09 36 15 38 10.8 9.7 89 2004-1555 >90 SAT FEB 19 18 33 19 11 19 37 05 41 16 56 05 35 06 00 06 38 04 50 09 40 15 41 10.8 10.5 97 2103-1152 >90 SUN FEB 20 18 33 19 11 19 37 06 30 18 01 05 34 06 00 06 38 04 54 09 44 15 45 10.8 10.8 100 2201-0702 >90 MON FEB 21 18 34 19 12 19 38 19 05 05 34 05 59 06 37 04 59 09 48 15 48 10.8 10.8 100 2257-0148 >90 TUE FEB 22 18 34 19 12 19 38 20 08 05 33 05 59 06 36 05 03 09 52 15 52 10.8 9.9 91 2353 0329 >90 WED FEB 23 18 35 19 13 19 38 21 09 05 32 05 58 06 36 05 08 09 56 15 55 10.7 8.8 82 0048 0827 >90 THU FEB 24 18 35 19 13 19 39 22 11 05 32 05 57 06 35 05 12 10 00 15 58 10.7 7.8 72 0143 1248 >90 FRI FEB 25 18 35 19 13 19 39 23 10 05 31 05 57 06 34 05 16 10 04 16 02 10.7 6.8 63 0238 1617 >90 SAT FEB 26 18 36 19 14 19 39 00 08 05 30 05 56 06 34 05 21 10 08 16 05 10.7 5.8 54 0337 1824 >90 SUN FEB 27 18 36 19 14 19 40 01 03 05 30 05 55 06 33 05 25 10 12 16 08 10.7 4.9 45 0428 2013 80 MON FEB 28 18 37 19 14 19 40 01 54 05 29 05 55 06 32 05 29 10 16 16 12 10.7 4.0 37 0521 2036 68 ONE LINE REFERS TO EVENING DATE FULL MOON Feb 06 20:48 UT AND FOLLOWING MORNING. LAST QUARTER Feb 14 22:13 UT All dates and times are zone HST NEW MOON Feb 21 15:02 UT in upper table (except sid time). FIRST QUARTER Feb 28 11:29 UT