KECK OBSERVATORY CALENDAR FOR 2022 -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 2022 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 19 18 05 42 06 08 06 47 03 31 08 28 14 37 11.1 10.8 97 2212-1628 >90 WED FEB 02 18 25 19 04 19 30 20 19 05 41 06 08 06 46 03 36 08 32 14 41 11.1 9.8 88 2305-1108 >90 THU FEB 03 18 25 19 04 19 30 21 16 05 41 06 07 06 46 03 39 08 36 14 44 11.0 8.9 80 2354-0524 >90 FRI FEB 04 18 26 19 05 19 31 22 10 05 41 06 07 06 46 03 44 08 40 14 48 11.0 8.0 72 0041 0024 >90 SAT FEB 05 18 26 19 05 19 31 23 03 05 41 06 07 06 45 03 48 08 44 14 52 11.0 7.1 64 0127 0602 >90 SUN FEB 06 18 27 19 06 19 32 23 54 05 40 06 06 06 45 03 53 08 48 14 55 11.0 6.2 56 0213 1117 >90 MON FEB 07 18 27 19 06 19 32 00 46 05 40 06 06 06 45 03 57 08 52 14 59 11.0 5.3 48 0259 1558 83 TUE FEB 08 18 28 19 07 19 32 01 38 05 40 06 06 06 44 04 02 08 56 15 03 11.0 4.5 40 0347 2001 72 WED FEB 09 18 28 19 07 19 33 02 31 05 39 06 05 06 44 04 06 09 00 15 06 11.0 3.6 32 0436 2312 61 THU FEB 10 18 29 19 07 19 33 03 24 05 39 06 05 06 43 04 10 09 04 15 10 11.0 2.7 24 0528 2522 50 FRI FEB 11 18 29 19 08 19 34 14 03 04 16 05 39 06 04 06 43 04 15 09 08 15 13 10.9 1.8 16 0621 2624 39 SAT FEB 12 18 30 19 08 19 34 14 54 05 06 05 38 06 04 06 42 04 19 09 12 15 17 10.9 1.0 8 0715 2611 28 SUN FEB 13 18 30 19 09 19 35 15 47 05 54 05 38 06 04 06 42 04 24 09 16 15 21 10.9 0.2 1 0809 2440 16 MON FEB 14 18 31 19 09 19 35 16 42 06 38 05 37 06 03 06 41 04 28 09 20 15 24 10.9 0.0 0 0902 2156 05 TUE FEB 15 18 31 19 10 19 35 17 38 05 37 06 03 06 41 04 33 09 24 15 28 10.9 0.0 0 0954 1805 07 WED FEB 16 18 32 19 10 19 36 18 33 05 36 06 02 06 40 04 37 09 28 15 31 10.9 0.0 0 1044 1320 19 THU FEB 17 18 32 19 10 19 36 19 28 05 36 06 01 06 40 04 41 09 31 15 33 10.9 0.3 2 1133 0753 32 FRI FEB 18 18 33 19 11 19 36 20 22 05 35 06 01 06 39 04 46 09 35 15 37 10.8 1.2 10 1221 0201 44 SAT FEB 19 18 33 19 11 19 37 21 17 05 35 06 00 06 38 04 50 09 39 15 40 10.8 2.1 19 1310-0402 57 SUN FEB 20 18 33 19 11 19 37 22 13 05 34 06 00 06 38 04 54 09 43 15 44 10.8 3.0 28 1359-0957 70 MON FEB 21 18 34 19 12 19 38 23 11 05 34 05 59 06 37 04 58 09 47 15 47 10.8 4.0 36 1451-1523 83 TUE FEB 22 18 34 19 12 19 38 00 12 05 33 05 59 06 36 05 02 09 51 15 51 10.8 5.0 46 1546-2010 >90 WED FEB 23 18 35 19 13 19 38 01 15 05 32 05 58 06 36 05 07 09 55 15 54 10.7 6.0 56 1645-2348 >90 THU FEB 24 18 35 19 13 19 39 02 19 05 32 05 57 06 35 05 11 09 59 15 57 10.7 7.1 66 1746-2601 >90 FRI FEB 25 18 35 19 13 19 39 03 23 05 31 05 57 06 34 05 15 10 03 16 01 10.7 8.2 76 1850-2634 >90 SAT FEB 26 18 36 19 14 19 39 04 22 14 50 05 30 05 56 06 34 05 20 10 07 16 04 10.7 9.1 85 1953-2522 >90 SUN FEB 27 18 36 19 14 19 40 05 16 15 56 05 30 05 55 06 33 05 24 10 11 16 07 10.7 10.0 93 2053-2233 >90 MON FEB 28 18 37 19 14 19 40 06 04 17 00 05 29 05 55 06 32 05 28 10 15 16 11 10.7 10.7 100 2151-1825 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Feb 01 05:45 UT AND FOLLOWING MORNING. FIRST QUARTER Feb 08 13:50 UT All dates and times are zone HST FULL MOON Feb 16 16:58 UT in upper table (except sid time). LAST QUARTER Feb 23 22:33 UT