KECK OBSERVATORY CALENDAR FOR 2008 -NAUTICAL (computed for altitude 4145.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) RA DEC 2008 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SUN JUN 01 19 08 19 50 20 20 04 15 17 19 04 19 04 49 05 31 12 12 16 23 21 13 9.0 8.4 93 0319+2332 MON JUN 02 19 09 19 51 20 21 05 14 18 29 04 19 04 49 05 31 12 17 16 27 21 17 9.0 9.0 100 0425+2630 TUE JUN 03 19 09 19 51 20 21 06 20 19 39 04 19 04 49 05 31 12 21 16 31 21 21 9.0 9.0 100 0533+2731 WED JUN 04 19 09 19 52 20 22 07 30 20 45 04 19 04 49 05 31 12 26 16 35 21 25 8.9 8.1 90 0641+2628 THU JUN 05 19 10 19 52 20 22 21 44 04 19 04 49 05 31 12 30 16 39 21 29 8.9 7.1 79 0745+2333 FRI JUN 06 19 10 19 53 20 23 22 34 04 19 04 49 05 31 12 35 16 43 21 33 8.9 6.2 69 0843+1914 SAT JUN 07 19 11 19 53 20 23 23 17 04 19 04 49 05 31 12 39 16 47 21 37 8.9 5.5 61 0937+1359 SUN JUN 08 19 11 19 53 20 23 23 55 04 19 04 49 05 31 12 43 16 51 21 40 8.9 4.9 54 1027+0815 MON JUN 09 19 11 19 54 20 24 00 30 04 19 04 49 05 31 12 48 16 55 21 44 8.9 4.3 48 1113+0221 TUE JUN 10 19 12 19 54 20 24 01 03 04 19 04 49 05 31 12 52 16 59 21 48 8.9 3.8 42 1158-0328 WED JUN 11 19 12 19 55 20 25 01 37 04 19 04 49 05 31 12 57 17 03 21 52 8.9 3.2 35 1242-0901 THU JUN 12 19 12 19 55 20 25 02 11 04 19 04 49 05 31 13 01 17 06 21 56 8.9 2.6 29 1327-1409 FRI JUN 13 19 13 19 55 20 25 02 47 04 19 04 49 05 31 13 05 17 10 22 00 8.9 2.0 22 1413-1842 SAT JUN 14 19 13 19 56 20 26 03 26 04 19 04 49 05 32 13 10 17 14 22 04 8.9 1.4 15 1501-2228 SUN JUN 15 19 13 19 56 20 26 16 43 04 10 04 19 04 49 05 32 13 14 17 18 22 08 8.9 0.7 7 1552-2518 MON JUN 16 19 13 19 56 20 26 17 36 04 57 04 19 04 49 05 32 13 18 17 22 22 12 8.9 0.0 0 1644-2701 TUE JUN 17 19 14 19 56 20 27 18 28 05 47 04 19 04 49 05 32 13 22 17 26 22 16 8.9 0.0 0 1737-2730 WED JUN 18 19 14 19 57 20 27 19 19 06 41 04 19 04 50 05 32 13 26 17 30 22 21 8.9 0.0 0 1831-2642 THU JUN 19 19 14 19 57 20 27 20 07 07 35 04 20 04 50 05 32 13 30 17 34 22 25 8.9 0.2 1 1924-2439 FRI JUN 20 19 14 19 57 20 27 20 51 04 20 04 50 05 33 13 34 17 38 22 29 8.9 0.9 10 2015-2127 SAT JUN 21 19 15 19 57 20 28 21 32 04 20 04 50 05 33 13 38 17 42 22 33 8.9 1.6 17 2104-1716 SUN JUN 22 19 15 19 58 20 28 22 09 04 20 04 50 05 33 13 43 17 46 22 37 8.9 2.2 24 2152-1217 MON JUN 23 19 15 19 58 20 28 22 45 04 21 04 51 05 33 13 47 17 50 22 42 8.9 2.8 31 2238-0642 TUE JUN 24 19 15 19 58 20 28 23 20 04 21 04 51 05 34 13 51 17 54 22 46 8.9 3.4 37 2325-0043 WED JUN 25 19 15 19 58 20 28 23 55 04 21 04 51 05 34 13 55 17 58 22 50 8.9 3.9 44 0012+0526 THU JUN 26 19 16 19 58 20 28 00 33 04 21 04 52 05 34 13 59 18 02 22 54 8.9 4.6 51 0102+1130 FRI JUN 27 19 16 19 58 20 28 01 14 04 22 04 52 05 34 14 03 18 06 22 58 8.9 5.3 59 0156+1710 SAT JUN 28 19 16 19 58 20 28 02 01 04 22 04 52 05 35 14 07 18 10 23 02 8.9 6.0 67 0254+2201 SUN JUN 29 19 16 19 58 20 29 02 56 16 07 04 22 04 53 05 35 14 11 18 13 23 07 8.9 7.0 78 0357+2534 MON JUN 30 19 16 19 58 20 29 03 58 17 16 04 23 04 53 05 35 14 15 18 17 23 11 8.9 8.0 89 0503+2722 ONE LINE REFERS TO EVENING DATE NEW MOON JUN 03 19:25 UT AND FOLLOWING MORNING. FIRST QUARTER JUN 10 15:07 UT All dates and times are zone HST FULL MOON JUN 18 17:35 UT in upper table (except sid time). LAST QUARTER JUN 26 12:13 UT