KECK OBSERVATORY CALENDAR FOR 2039 -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 2039 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 SUN MAY 01 18 55 19 35 20 03 02 04 04 35 05 03 05 42 10 21 14 19 18 55 8.5 2.5 29 0938 1817 66 MON MAY 02 18 56 19 36 20 03 02 46 04 34 05 02 05 42 10 25 14 23 18 58 8.5 1.8 21 1031 1410 56 TUE MAY 03 18 56 19 36 20 04 14 12 03 27 04 34 05 01 05 41 10 30 14 27 19 01 8.5 1.1 13 1123 0910 46 WED MAY 04 18 56 19 36 20 04 15 10 04 07 04 33 05 01 05 41 10 34 14 31 19 04 8.5 0.4 5 1215 0328 37 THU MAY 05 18 57 19 37 20 05 16 10 04 49 04 32 05 00 05 40 10 39 14 35 19 07 8.4 0.0 0 1308-0238 31 FRI MAY 06 18 57 19 37 20 05 17 11 05 33 04 31 04 59 05 40 10 43 14 39 19 10 8.4 0.0 0 1404-0847 30 SAT MAY 07 18 58 19 38 20 06 18 14 06 20 04 31 04 59 05 39 10 48 14 42 19 14 8.4 0.0 0 1502-1432 35 SUN MAY 08 18 58 19 38 20 06 19 20 04 30 04 58 05 39 10 52 14 46 19 17 8.4 0.0 0 1603-1924 43 MON MAY 09 18 58 19 39 20 07 20 28 04 29 04 58 05 38 10 57 14 50 19 20 8.4 0.4 4 1707-2257 54 TUE MAY 10 18 59 19 39 20 08 21 35 04 29 04 57 05 38 11 02 14 54 19 24 8.3 1.5 17 1812-2452 66 WED MAY 11 18 59 19 40 20 08 22 39 04 28 04 57 05 37 11 06 14 58 19 27 8.3 2.5 30 1916-2458 77 THU MAY 12 19 00 19 40 20 09 23 37 04 28 04 56 05 37 11 11 15 02 19 31 8.3 3.5 41 2017-2324 88 FRI MAY 13 19 00 19 41 20 09 00 28 04 27 04 55 05 36 11 15 15 06 19 34 8.3 4.3 52 2117-2044 >90 SAT MAY 14 19 00 19 41 20 10 01 14 04 26 04 55 05 36 11 19 15 10 19 37 8.3 5.1 61 2211-1655 >90 SUN MAY 15 19 01 19 42 20 10 01 54 04 26 04 55 05 35 11 23 15 14 19 41 8.3 5.7 69 2301-1227 >90 MON MAY 16 19 01 19 42 20 11 02 31 14 05 04 25 04 54 05 35 11 28 15 18 19 44 8.2 6.3 76 2348-0736 >90 TUE MAY 17 19 02 19 43 20 12 03 06 14 56 04 25 04 54 05 35 11 33 15 22 19 48 8.2 6.9 83 0033-0234 >90 WED MAY 18 19 02 19 43 20 12 03 40 15 46 04 24 04 53 05 34 11 37 15 26 19 51 8.2 7.5 91 0117 0227 >90 THU MAY 19 19 03 19 44 20 13 04 14 16 35 04 24 04 53 05 34 11 42 15 30 19 55 8.2 8.0 97 0200 0718 >90 FRI MAY 20 19 03 19 44 20 13 04 48 17 24 04 23 04 52 05 34 11 46 15 34 19 57 8.2 8.2 100 0244 1149 >90 SAT MAY 21 19 03 19 45 20 14 05 25 18 14 04 23 04 52 05 33 11 51 15 38 20 01 8.1 8.1 100 0330 1551 >90 SUN MAY 22 19 04 19 45 20 14 06 05 19 05 04 23 04 52 05 33 11 55 15 42 20 05 8.1 8.1 100 0417 1915 >90 MON MAY 23 19 04 19 46 20 15 06 48 19 57 04 22 04 51 05 33 12 00 15 46 20 08 8.1 8.1 100 0505 2152 >90 TUE MAY 24 19 05 19 46 20 15 20 49 04 22 04 51 05 33 12 04 15 50 20 12 8.1 7.5 93 0556 2332 >90 WED MAY 25 19 05 19 47 20 16 21 41 04 21 04 51 05 32 12 09 15 53 20 15 8.1 6.7 82 0647 2409 >90 THU MAY 26 19 06 19 47 20 17 22 30 04 21 04 50 05 32 12 14 15 57 20 19 8.1 5.8 72 0740 2338 >90 FRI MAY 27 19 06 19 48 20 17 23 17 04 21 04 50 05 32 12 18 16 01 20 23 8.1 5.1 62 0832 2159 >90 SAT MAY 28 19 06 19 48 20 18 00 01 04 20 04 50 05 32 12 23 16 05 20 26 8.0 4.3 53 0929 1841 >90 SUN MAY 29 19 07 19 49 20 18 00 43 04 20 04 50 05 32 12 27 16 09 20 30 8.0 3.6 45 1015 1530 84 MON MAY 30 19 07 19 49 20 19 01 23 04 20 04 50 05 31 12 32 16 13 20 34 8.0 3.0 36 1105 1057 74 TUE MAY 31 19 08 19 50 20 19 02 02 04 20 04 49 05 31 12 36 16 17 20 38 8.0 2.3 28 1155 0540 65 ONE LINE REFERS TO EVENING DATE FIRST QUARTER May 01 14:08 UT AND FOLLOWING MORNING. FULL MOON May 08 11:20 UT All dates and times are zone HST LAST QUARTER May 15 03:18 UT in upper table (except sid time). NEW MOON May 23 01:38 UT FIRST QUARTER May 31 02:25 UT