KECK OBSERVATORY CALENDAR FOR 2019 -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 2019 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 FRI FEB 01 18 24 19 03 19 29 05 16 16 06 05 42 06 08 06 47 03 30 08 27 14 36 11.1 10.2 92 1913-2127 >90 SAT FEB 02 18 25 19 04 19 30 06 03 16 56 05 41 06 08 06 46 03 34 08 31 14 40 11.1 11.0 99 2003-2035 >90 SUN FEB 03 18 25 19 04 19 30 06 47 17 46 05 41 06 07 06 46 03 38 08 35 14 43 11.0 11.0 100 2052-1851 >90 MON FEB 04 18 26 19 05 19 31 18 36 05 41 06 07 06 46 03 43 08 39 14 47 11.0 11.0 100 2140-1621 >90 TUE FEB 05 18 26 19 05 19 31 19 26 05 41 06 07 06 45 03 47 08 43 14 51 11.0 10.7 96 2226-1310 >90 WED FEB 06 18 27 19 06 19 32 20 15 05 40 06 06 06 45 03 52 08 47 14 54 11.0 9.8 89 2312-0929 >90 THU FEB 07 18 27 19 06 19 32 21 04 05 40 06 06 06 45 03 56 08 51 14 58 11.0 9.0 82 2356-0524 >90 FRI FEB 08 18 28 19 07 19 32 21 53 05 40 06 06 06 44 04 01 08 55 15 02 11.0 8.2 74 0041-0104 >90 SAT FEB 09 18 28 19 07 19 33 22 42 05 39 06 05 06 44 04 05 08 59 15 05 11.0 7.4 67 0126 0322 >90 SUN FEB 10 18 29 19 07 19 33 23 33 05 39 06 05 06 43 04 09 09 03 15 09 11.0 6.5 59 0212 0745 >90 MON FEB 11 18 29 19 08 19 34 00 26 05 39 06 04 06 43 04 14 09 07 15 12 10.9 5.6 51 0302 1150 87 TUE FEB 12 18 30 19 08 19 34 01 22 05 38 06 04 06 42 04 18 09 11 15 16 10.9 4.7 42 0353 1539 75 WED FEB 13 18 30 19 09 19 35 02 20 05 38 06 04 06 42 04 23 09 15 15 20 10.9 3.7 34 0448 1842 63 THU FEB 14 18 31 19 09 19 35 03 21 05 37 06 03 06 41 04 27 09 19 15 23 10.9 2.7 24 0547 2047 49 FRI FEB 15 18 31 19 10 19 35 14 22 04 22 05 37 06 03 06 41 04 32 09 23 15 27 10.9 1.7 15 0649 2134 36 SAT FEB 16 18 32 19 10 19 36 15 24 05 23 05 36 06 02 06 40 04 36 09 26 15 29 10.9 0.7 5 0753 2051 22 SUN FEB 17 18 32 19 10 19 36 16 30 06 20 05 36 06 01 06 40 04 40 09 30 15 32 10.9 0.0 0 0858 1835 08 MON FEB 18 18 33 19 11 19 36 17 37 05 35 06 01 06 39 04 45 09 34 15 36 10.8 0.0 0 1001 1457 08 TUE FEB 19 18 33 19 11 19 37 18 43 05 35 06 00 06 38 04 49 09 38 15 39 10.8 0.0 0 1101 1016 22 WED FEB 20 18 33 19 11 19 37 19 47 05 34 06 00 06 38 04 52 09 42 15 43 10.8 0.6 5 1159 0459 37 THU FEB 21 18 34 19 12 19 38 20 49 05 34 05 59 06 37 04 57 09 46 15 46 10.8 1.6 14 1255-0029 50 FRI FEB 22 18 34 19 12 19 38 21 49 05 33 05 59 06 36 05 01 09 50 15 50 10.8 2.6 24 1349-0545 64 SAT FEB 23 18 35 19 13 19 38 22 47 05 32 05 58 06 36 05 06 09 54 15 53 10.7 3.6 33 1442-1030 77 SUN FEB 24 18 35 19 13 19 39 23 43 05 32 05 57 06 35 05 10 09 58 15 56 10.7 4.5 41 1532-1426 89 MON FEB 25 18 35 19 13 19 39 00 38 05 31 05 57 06 34 05 14 10 02 16 00 10.7 5.4 50 1626-1750 >90 TUE FEB 26 18 36 19 14 19 39 01 32 05 30 05 56 06 34 05 19 10 06 16 03 10.7 6.3 58 1718-2007 >90 WED FEB 27 18 36 19 14 19 40 02 24 05 30 05 55 06 33 05 23 10 10 16 06 10.7 7.2 67 1810-2125 >90 THU FEB 28 18 37 19 14 19 40 03 14 14 02 05 29 05 55 06 32 05 27 10 14 16 10 10.7 8.0 74 1902-2142 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Feb 04 21:02 UT AND FOLLOWING MORNING. FIRST QUARTER Feb 12 22:27 UT All dates and times are zone HST FULL MOON Feb 19 15:51 UT in upper table (except sid time). LAST QUARTER Feb 26 11:27 UT