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 THU MAY 01 18 55 19 35 20 03 16 00 04 33 04 35 05 03 05 42 10 22 14 20 18 56 8.5 0.0 0 1240-0313 34 FRI MAY 02 18 56 19 36 20 03 16 48 05 04 04 34 05 02 05 42 10 26 14 24 18 59 8.5 0.0 0 1323-0850 32 SAT MAY 03 18 56 19 36 20 04 17 37 05 37 04 34 05 01 05 41 10 31 14 28 19 03 8.5 0.0 0 1407-1412 34 SUN MAY 04 18 56 19 36 20 04 18 28 06 14 04 33 05 01 05 41 10 35 14 32 19 05 8.5 0.0 0 1454-1905 39 MON MAY 05 18 57 19 37 20 05 19 21 06 55 04 32 05 00 05 40 10 40 14 36 19 08 8.4 0.0 0 1545-2315 46 TUE MAY 06 18 57 19 37 20 05 20 17 04 31 04 59 05 40 10 44 14 40 19 11 8.4 0.2 2 1638-2625 54 WED MAY 07 18 58 19 38 20 06 21 15 04 31 04 59 05 39 10 49 14 44 19 15 8.4 1.1 13 1735-2819 63 THU MAY 08 18 58 19 38 20 06 22 12 04 30 04 58 05 39 10 53 14 48 19 18 8.4 2.1 25 1834-2844 73 FRI MAY 09 18 58 19 39 20 07 23 07 04 29 04 58 05 38 10 58 14 51 19 21 8.4 3.0 35 1933-2729 83 SAT MAY 10 18 59 19 39 20 08 23 59 04 29 04 57 05 38 11 03 14 55 19 25 8.3 3.9 46 2025-2419 >90 SUN MAY 11 18 59 19 40 20 08 00 46 04 28 04 57 05 37 11 07 14 59 19 28 8.3 4.6 55 2127-2045 >90 MON MAY 12 19 00 19 40 20 09 01 30 04 28 04 56 05 37 11 12 15 03 19 32 8.3 5.4 64 2221-1531 >90 TUE MAY 13 19 00 19 41 20 09 02 10 04 27 04 55 05 36 11 16 15 07 19 35 8.3 6.0 72 2313-0925 >90 WED MAY 14 19 00 19 41 20 10 02 48 14 33 04 26 04 55 05 36 11 21 15 11 19 38 8.3 6.6 80 0004-0246 >90 THU MAY 15 19 01 19 42 20 10 03 27 15 33 04 26 04 55 05 35 11 24 15 15 19 42 8.3 7.3 88 0055 0404 >90 FRI MAY 16 19 01 19 42 20 11 04 08 16 34 04 25 04 54 05 35 11 29 15 19 19 45 8.2 8.0 96 0148 1042 >90 SAT MAY 17 19 02 19 43 20 12 04 52 17 38 04 25 04 54 05 35 11 34 15 23 19 49 8.2 8.2 100 0242 1645 >90 SUN MAY 18 19 02 19 43 20 12 05 40 18 44 04 24 04 53 05 34 11 38 15 27 19 52 8.2 8.2 100 0340 2145 >90 MON MAY 19 19 03 19 44 20 13 06 34 19 51 04 24 04 53 05 34 11 43 15 31 19 56 8.2 8.2 100 0441 2521 >90 TUE MAY 20 19 03 19 44 20 13 20 56 04 23 04 52 05 34 11 47 15 35 19 59 8.2 7.5 91 0542 2717 >90 WED MAY 21 19 03 19 45 20 14 21 58 04 23 04 52 05 33 11 52 15 39 20 02 8.1 6.4 78 0644 2727 >90 THU MAY 22 19 04 19 45 20 14 22 53 04 23 04 52 05 33 11 56 15 43 20 06 8.1 5.5 67 0743 2559 >90 FRI MAY 23 19 04 19 46 20 15 23 41 04 22 04 51 05 33 12 01 15 47 20 09 8.1 4.7 57 0838 2309 >90 SAT MAY 24 19 05 19 46 20 15 00 22 04 22 04 51 05 33 12 05 15 51 20 13 8.1 4.0 49 0930 1909 88 SUN MAY 25 19 05 19 47 20 16 00 59 04 21 04 51 05 32 12 10 15 55 20 16 8.1 3.4 41 1017 1436 80 MON MAY 26 19 06 19 47 20 17 01 32 04 21 04 50 05 32 12 15 15 58 20 20 8.1 2.8 34 1101 0927 72 TUE MAY 27 19 06 19 48 20 17 02 03 04 21 04 50 05 32 12 19 16 02 20 24 8.1 2.3 28 1144 0359 65 WED MAY 28 19 06 19 48 20 18 02 33 04 20 04 50 05 32 12 24 16 06 20 27 8.0 1.8 22 1226-0137 58 THU MAY 29 19 07 19 49 20 18 14 43 03 04 04 20 04 50 05 32 12 28 16 10 20 31 8.0 1.3 15 1309-0714 52 FRI MAY 30 19 07 19 49 20 19 15 31 03 37 04 20 04 50 05 31 12 33 16 14 20 35 8.0 0.7 8 1352-1240 48 SAT MAY 31 19 08 19 50 20 19 16 21 04 12 04 20 04 49 05 31 12 37 16 18 20 39 8.0 0.1 1 1438-1742 45 ONE LINE REFERS TO EVENING DATE FULL MOON May 05 06:51 UT AND FOLLOWING MORNING. LAST QUARTER May 12 19:18 UT All dates and times are zone HST NEW MOON May 19 10:56 UT in upper table (except sid time). FIRST QUARTER May 26 18:19 UT