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 WED JAN 01 18 05 18 45 19 12 03 47 05 39 06 06 06 46 01 38 06 27 12 07 10.4 1.9 17 0321 2019 43 THU JAN 02 18 06 18 46 19 13 14 43 04 49 05 39 06 06 06 46 01 43 06 31 12 11 10.4 0.8 7 0418 2417 31 FRI JAN 03 18 06 18 47 19 14 15 32 05 50 05 39 06 06 06 47 01 48 06 35 12 15 10.4 0.0 0 0517 2652 19 SAT JAN 04 18 07 18 47 19 14 16 26 06 48 05 40 06 07 06 47 01 52 06 39 12 20 10.4 0.0 0 0617 2752 09 SUN JAN 05 18 07 18 48 19 15 17 23 05 40 06 07 06 47 01 57 06 43 12 24 10.4 0.0 0 0716 2716 11 MON JAN 06 18 08 18 48 19 15 18 21 05 40 06 07 06 47 02 01 06 47 12 27 10.4 0.0 0 0813 2513 21 TUE JAN 07 18 09 18 49 19 16 19 18 05 41 06 07 06 48 02 06 06 50 12 32 10.4 0.0 0 0906 2156 32 WED JAN 08 18 09 18 50 19 16 20 13 05 41 06 08 06 48 02 10 06 54 12 36 10.4 1.0 9 0955 1743 43 THU JAN 09 18 10 18 50 19 17 21 05 05 41 06 08 06 48 02 15 06 58 12 40 10.4 1.8 17 1041 1252 54 FRI JAN 10 18 11 18 51 19 18 21 54 05 41 06 08 06 48 02 20 07 02 12 44 10.4 2.6 25 1125 0737 65 SAT JAN 11 18 11 18 51 19 18 22 42 05 42 06 08 06 48 02 23 07 06 12 49 10.4 3.4 32 1208 0208 76 SUN JAN 12 18 12 18 52 19 19 23 30 05 42 06 09 06 49 02 28 07 10 12 53 10.4 4.2 40 1249-0318 86 MON JAN 13 18 12 18 53 19 19 00 18 05 42 06 09 06 49 02 32 07 14 12 57 10.4 5.0 47 1333-0848 >90 TUE JAN 14 18 13 18 53 19 20 01 08 05 42 06 09 06 49 02 37 07 18 13 01 10.4 5.8 55 1417-1358 >90 WED JAN 15 18 14 18 54 19 20 02 00 05 42 06 09 06 49 02 41 07 22 13 05 10.4 6.7 64 1504-1842 >90 THU JAN 16 18 14 18 54 19 21 02 57 05 42 06 09 06 49 02 46 07 26 13 09 10.3 7.6 73 1555-2243 >90 FRI JAN 17 18 15 18 55 19 22 03 56 14 29 05 42 06 09 06 49 02 51 07 30 13 13 10.3 8.6 82 1650-2545 >90 SAT JAN 18 18 16 18 55 19 22 04 58 15 21 05 43 06 09 06 49 02 55 07 34 13 18 10.3 9.6 92 1749-2726 >90 SUN JAN 19 18 16 18 56 19 23 05 59 16 20 05 43 06 09 06 49 03 00 07 38 13 22 10.3 10.3 100 1851-2731 >90 MON JAN 20 18 17 18 57 19 23 06 57 17 24 05 43 06 09 06 49 03 04 07 42 13 26 10.3 10.3 100 1953-2549 >90 TUE JAN 21 18 18 18 57 19 24 18 31 05 43 06 09 06 49 03 09 07 46 13 30 10.3 10.3 100 2055-2226 >90 WED JAN 22 18 18 18 58 19 24 19 37 05 43 06 09 06 49 03 13 07 50 13 34 10.3 10.1 97 2153-1737 >90 THU JAN 23 18 19 18 58 19 25 20 41 05 43 06 09 06 49 03 18 07 54 13 37 10.3 9.0 87 2248-1145 >90 FRI JAN 24 18 19 18 59 19 25 21 43 05 43 06 09 06 49 03 22 07 57 13 41 10.3 8.0 77 2341-0516 >90 SAT JAN 25 18 20 18 59 19 26 22 43 05 43 06 09 06 48 03 27 08 01 13 45 10.3 7.0 68 0032 0127 >90 SUN JAN 26 18 21 19 00 19 26 23 42 05 43 06 09 06 48 03 31 08 05 13 49 10.3 6.0 58 0123 0801 >90 MON JAN 27 18 21 19 01 19 27 00 41 05 42 06 09 06 48 03 36 08 09 13 52 10.2 5.0 48 0215 1403 84 TUE JAN 28 18 22 19 01 19 27 01 42 05 42 06 09 06 48 03 40 08 13 13 56 10.2 4.0 39 0308 1922 71 WED JAN 29 18 22 19 02 19 28 02 42 05 42 06 08 06 48 03 44 08 17 14 00 10.2 3.0 29 0403 2334 59 THU JAN 30 18 23 19 02 19 28 03 43 05 42 06 08 06 47 03 48 08 21 14 04 10.2 2.0 19 0500 2627 46 FRI JAN 31 18 24 19 03 19 29 14 20 04 42 05 42 06 08 06 47 03 53 08 25 14 08 10.2 1.0 9 0559 2749 34 ONE LINE REFERS TO EVENING DATE FULL MOON Jan 06 08:53 UT AND FOLLOWING MORNING. LAST QUARTER Jan 14 11:24 UT All dates and times are zone HST NEW MOON Jan 21 20:41 UT in upper table (except sid time). FIRST QUARTER Jan 28 12:48 UT