KECK OBSERVATORY CALENDAR FOR 2008 -ASTRONOMICAL (computed for altitude 4145.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC 2008 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight SUN JUN 01 19 08 19 50 20 20 04 15 17 19 04 19 04 49 05 31 12 42 16 23 20 43 8.0 7.9 99 0319+2332 MON JUN 02 19 09 19 51 20 21 05 14 18 29 04 19 04 49 05 31 12 47 16 27 20 47 8.0 8.0 100 0425+2630 TUE JUN 03 19 09 19 51 20 21 06 20 19 39 04 19 04 49 05 31 12 51 16 31 20 51 8.0 8.0 100 0533+2731 WED JUN 04 19 09 19 52 20 22 07 30 20 45 04 19 04 49 05 31 12 56 16 35 20 55 7.9 7.6 95 0641+2628 THU JUN 05 19 10 19 52 20 22 21 44 04 19 04 49 05 31 13 00 16 39 20 59 7.9 6.6 82 0745+2333 FRI JUN 06 19 10 19 53 20 23 22 34 04 19 04 49 05 31 13 05 16 43 21 03 7.9 5.7 72 0843+1914 SAT JUN 07 19 11 19 53 20 23 23 17 04 19 04 49 05 31 13 09 16 47 21 06 7.9 5.0 63 0937+1359 SUN JUN 08 19 11 19 53 20 23 23 55 04 19 04 49 05 31 13 13 16 51 21 10 7.9 4.4 55 1027+0815 MON JUN 09 19 11 19 54 20 24 00 30 04 19 04 49 05 31 13 18 16 55 21 14 7.9 3.8 48 1113+0221 TUE JUN 10 19 12 19 54 20 24 01 03 04 19 04 49 05 31 13 22 16 59 21 18 7.9 3.3 41 1158-0328 WED JUN 11 19 12 19 55 20 25 01 37 04 19 04 49 05 31 13 27 17 03 21 22 7.9 2.7 34 1242-0901 THU JUN 12 19 12 19 55 20 25 02 11 04 19 04 49 05 31 13 31 17 06 21 26 7.9 2.1 27 1327-1409 FRI JUN 13 19 13 19 55 20 25 02 47 04 19 04 49 05 31 13 35 17 10 21 30 7.9 1.5 19 1413-1842 SAT JUN 14 19 13 19 56 20 26 03 26 04 19 04 49 05 32 13 40 17 14 21 34 7.9 0.9 11 1501-2228 SUN JUN 15 19 13 19 56 20 26 16 43 04 10 04 19 04 49 05 32 13 44 17 18 21 38 7.9 0.2 1 1552-2518 MON JUN 16 19 13 19 56 20 26 17 36 04 57 04 19 04 49 05 32 13 48 17 22 21 42 7.9 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 53 17 26 21 46 7.9 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 57 17 30 21 50 7.9 0.0 0 1831-2642 THU JUN 19 19 14 19 57 20 27 20 07 07 35 04 20 04 50 05 32 14 00 17 34 21 55 7.9 0.0 0 1924-2439 FRI JUN 20 19 14 19 57 20 27 20 51 04 20 04 50 05 33 14 04 17 38 21 59 7.9 0.4 5 2015-2127 SAT JUN 21 19 15 19 57 20 28 21 32 04 20 04 50 05 33 14 09 17 42 22 03 7.9 1.1 13 2104-1716 SUN JUN 22 19 15 19 58 20 28 22 09 04 20 04 50 05 33 14 13 17 46 22 07 7.9 1.7 21 2152-1217 MON JUN 23 19 15 19 58 20 28 22 45 04 21 04 51 05 33 14 17 17 50 22 12 7.9 2.3 28 2238-0642 TUE JUN 24 19 15 19 58 20 28 23 20 04 21 04 51 05 34 14 21 17 54 22 15 7.9 2.9 36 2325-0043 WED JUN 25 19 15 19 58 20 28 23 55 04 21 04 51 05 34 14 25 17 58 22 19 7.9 3.4 43 0012+0526 THU JUN 26 19 16 19 58 20 28 00 33 04 21 04 52 05 34 14 29 18 02 22 23 7.9 4.1 51 0102+1130 FRI JUN 27 19 16 19 58 20 28 01 14 04 22 04 52 05 34 14 33 18 06 22 28 7.9 4.8 60 0156+1710 SAT JUN 28 19 16 19 58 20 28 02 01 04 22 04 52 05 35 14 37 18 10 22 32 7.9 5.5 70 0254+2201 SUN JUN 29 19 16 19 58 20 29 02 56 16 07 04 22 04 53 05 35 14 42 18 13 22 36 7.9 6.4 81 0357+2534 MON JUN 30 19 16 19 58 20 29 03 58 17 16 04 23 04 53 05 35 14 46 18 17 22 41 7.9 7.5 94 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