KECK OBSERVATORY CALENDAR FOR 2018 -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 2018 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 FRI JUN 01 19 08 19 50 20 20 21 37 04 19 04 49 05 31 12 11 16 21 21 11 9.0 1.8 19 1946-2040 64 SAT JUN 02 19 08 19 51 20 20 22 22 04 19 04 49 05 31 12 16 16 25 21 15 9.0 2.5 28 2036-1909 73 SUN JUN 03 19 09 19 51 20 21 23 05 04 19 04 49 05 31 12 20 16 29 21 19 9.0 3.2 36 2125-1646 81 MON JUN 04 19 09 19 51 20 21 23 45 04 19 04 49 05 31 12 24 16 33 21 23 9.0 3.9 43 2211-1335 90 TUE JUN 05 19 10 19 52 20 22 00 24 04 19 04 49 05 31 12 28 16 37 21 27 8.9 4.5 50 2300-1011 >90 WED JUN 06 19 10 19 52 20 22 01 03 04 19 04 49 05 31 12 32 16 41 21 31 8.9 5.2 57 2347-0607 >90 THU JUN 07 19 10 19 53 20 23 01 42 04 19 04 49 05 31 12 37 16 45 21 35 8.9 5.8 65 0035-0144 >90 FRI JUN 08 19 11 19 53 20 23 02 21 14 24 04 19 04 49 05 31 12 41 16 49 21 39 8.9 6.5 72 0123 0251 >90 SAT JUN 09 19 11 19 53 20 23 03 03 15 20 04 19 04 49 05 31 12 45 16 53 21 43 8.9 7.2 80 0214 0724 >90 SUN JUN 10 19 11 19 54 20 24 03 48 16 17 04 19 04 49 05 31 12 50 16 57 21 47 8.9 7.9 88 0307 1142 >90 MON JUN 11 19 12 19 54 20 24 04 38 17 18 04 19 04 49 05 31 12 54 17 01 21 51 8.9 8.7 97 0404 1526 >90 TUE JUN 12 19 12 19 55 20 25 05 33 18 22 04 19 04 49 05 31 12 59 17 05 21 55 8.9 8.9 100 0504 1815 >90 WED JUN 13 19 12 19 55 20 25 06 33 19 27 04 19 04 49 05 31 13 03 17 09 21 58 8.9 8.9 100 0606 1952 >90 THU JUN 14 19 13 19 55 20 25 20 31 04 19 04 49 05 31 13 07 17 13 22 02 8.9 8.3 93 0710 2005 >90 FRI JUN 15 19 13 19 56 20 26 21 32 04 19 04 49 05 32 13 12 17 17 22 06 8.9 7.3 81 0812 1851 >90 SAT JUN 16 19 13 19 56 20 26 22 27 04 19 04 49 05 32 13 16 17 21 22 10 8.9 6.4 71 0913 1620 >90 SUN JUN 17 19 13 19 56 20 26 23 17 04 19 04 49 05 32 13 20 17 24 22 14 8.9 5.5 62 1011 1250 >90 MON JUN 18 19 14 19 56 20 27 00 03 04 19 04 49 05 32 13 24 17 28 22 18 8.9 4.8 53 1111 0807 >90 TUE JUN 19 19 14 19 57 20 27 00 46 04 19 04 50 05 32 13 29 17 32 22 23 8.9 4.1 45 1158 0359 83 WED JUN 20 19 14 19 57 20 27 01 26 04 20 04 50 05 32 13 33 17 36 22 27 8.9 3.4 38 1248-0043 73 THU JUN 21 19 14 19 57 20 27 02 06 04 20 04 50 05 33 13 37 17 40 22 31 8.9 2.7 30 1337-0520 65 FRI JUN 22 19 15 19 57 20 28 14 28 02 45 04 20 04 50 05 33 13 41 17 44 22 35 8.9 2.1 23 1426-0939 57 SAT JUN 23 19 15 19 58 20 28 15 20 03 26 04 20 04 50 05 33 13 45 17 48 22 39 8.9 1.4 15 1515-1329 50 SUN JUN 24 19 15 19 58 20 28 16 12 04 08 04 21 04 51 05 33 13 49 17 52 22 44 8.9 0.7 8 1605-1642 45 MON JUN 25 19 15 19 58 20 28 17 04 04 52 04 21 04 51 05 34 13 53 17 56 22 48 8.9 0.0 0 1656-1909 42 TUE JUN 26 19 15 19 58 20 28 17 55 05 38 04 21 04 51 05 34 13 57 18 00 22 52 8.9 0.0 0 1747-2044 41 WED JUN 27 19 16 19 58 20 28 18 45 06 26 04 21 04 52 05 34 14 01 18 04 22 57 8.9 0.0 0 1839-2123 42 THU JUN 28 19 16 19 58 20 28 19 33 04 22 04 52 05 34 14 05 18 08 23 01 8.9 0.0 0 1931-2104 46 FRI JUN 29 19 16 19 58 20 29 20 19 04 22 04 52 05 35 14 09 18 12 23 05 8.9 0.4 3 2021-1951 51 SAT JUN 30 19 16 19 58 20 29 21 03 04 22 04 53 05 35 14 13 18 16 23 10 8.9 1.1 12 2111-1746 57 ONE LINE REFERS TO EVENING DATE LAST QUARTER Jun 06 18:32 UT AND FOLLOWING MORNING. NEW MOON Jun 13 19:43 UT All dates and times are zone HST FIRST QUARTER Jun 20 10:51 UT in upper table (except sid time). FULL MOON Jun 28 04:52 UT