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 SAT FEB 01 18 24 19 03 19 29 15 16 05 36 05 42 06 08 06 47 03 57 08 29 14 12 10.2 0.1 0 0658 2739 22 SUN FEB 02 18 25 19 04 19 30 16 13 06 25 05 41 06 08 06 46 04 02 08 33 14 15 10.2 0.0 0 0754 2559 11 MON FEB 03 18 25 19 04 19 30 17 10 05 41 06 07 06 46 04 06 08 37 14 19 10.2 0.0 0 0848 2303 04 TUE FEB 04 18 26 19 05 19 31 18 05 05 41 06 07 06 46 04 11 08 41 14 23 10.2 0.0 0 0939 1905 14 WED FEB 05 18 26 19 05 19 31 18 57 05 41 06 07 06 45 04 15 08 45 14 27 10.2 0.0 0 1026 1423 25 THU FEB 06 18 27 19 06 19 32 19 48 05 40 06 06 06 45 04 20 08 49 14 30 10.1 0.3 2 1111 0909 36 FRI FEB 07 18 27 19 06 19 32 20 36 05 40 06 06 06 45 04 24 08 53 14 34 10.1 1.1 10 1154 0339 47 SAT FEB 08 18 28 19 07 19 32 21 24 05 40 06 06 06 44 04 28 08 57 14 38 10.1 1.9 18 1236-0156 58 SUN FEB 09 18 28 19 07 19 33 22 11 05 39 06 05 06 44 04 33 09 01 14 40 10.1 2.6 26 1318-0727 69 MON FEB 10 18 29 19 07 19 33 23 00 05 39 06 05 06 43 04 37 09 05 14 44 10.1 3.5 34 1402-1241 80 TUE FEB 11 18 29 19 08 19 34 23 51 05 39 06 04 06 43 04 42 09 08 14 48 10.1 4.3 42 1444-1714 >90 WED FEB 12 18 30 19 08 19 34 00 44 05 38 06 04 06 42 04 46 09 12 14 51 10.1 5.2 51 1537-2147 >90 THU FEB 13 18 30 19 09 19 35 01 41 05 38 06 03 06 42 04 51 09 16 14 55 10.0 6.1 60 1629-2507 >90 FRI FEB 14 18 31 19 09 19 35 02 40 05 37 06 03 06 41 04 55 09 20 14 58 10.0 7.1 70 1726-2717 >90 SAT FEB 15 18 31 19 10 19 35 03 41 14 01 05 37 06 03 06 41 04 58 09 24 15 02 10.0 8.1 80 1826-2758 >90 SUN FEB 16 18 32 19 10 19 36 04 39 15 02 05 36 06 02 06 40 05 03 09 28 15 05 10.0 9.0 90 1927-2659 >90 MON FEB 17 18 32 19 10 19 36 05 35 16 08 05 36 06 01 06 40 05 07 09 32 15 09 10.0 10.0 99 2029-2414 >90 TUE FEB 18 18 33 19 11 19 36 06 25 17 14 05 35 06 01 06 39 05 11 09 36 15 12 10.0 10.0 100 2129-1954 >90 WED FEB 19 18 33 19 11 19 37 18 20 05 35 06 00 06 38 05 16 09 40 15 16 10.0 10.0 100 2226-1417 >90 THU FEB 20 18 33 19 11 19 37 19 25 05 34 06 00 06 38 05 20 09 44 15 19 9.9 9.9 100 2321-0748 >90 FRI FEB 21 18 34 19 12 19 38 20 28 05 34 05 59 06 37 05 25 09 48 15 23 9.9 9.1 91 0014-0053 >90 SAT FEB 22 18 34 19 12 19 38 21 29 05 33 05 59 06 36 05 29 09 52 15 26 9.9 8.1 81 0106 0601 >90 SUN FEB 23 18 35 19 13 19 38 22 31 05 32 05 58 06 36 05 33 09 56 15 29 9.9 7.0 70 0159 1229 >90 MON FEB 24 18 35 19 13 19 39 23 33 05 32 05 57 06 35 05 38 10 00 15 33 9.9 6.0 60 0253 1810 >90 TUE FEB 25 18 35 19 13 19 39 00 36 05 31 05 57 06 34 05 42 10 04 15 36 9.9 4.9 49 0349 2241 86 WED FEB 26 18 36 19 14 19 39 01 38 05 30 05 56 06 34 05 46 10 08 15 38 9.9 3.9 39 0446 2558 73 THU FEB 27 18 36 19 14 19 40 02 37 05 30 05 55 06 33 05 51 10 12 15 42 9.8 2.9 29 0545 2743 61 FRI FEB 28 18 37 19 14 19 40 03 33 05 29 05 55 06 32 05 55 10 15 15 45 9.8 1.9 19 0643 2753 49 ONE LINE REFERS TO EVENING DATE FULL MOON Feb 05 01:57 UT AND FOLLOWING MORNING. LAST QUARTER Feb 13 07:18 UT All dates and times are zone HST NEW MOON Feb 20 07:37 UT in upper table (except sid time). FIRST QUARTER Feb 26 23:29 UT