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 TUE JUL 01 19 16 19 58 20 29 05 06 18 24 04 23 04 53 05 36 14 50 18 21 22 45 7.9 7.9 100 0611+2710 WED JUL 02 19 16 19 59 20 29 06 15 19 26 04 24 04 54 05 36 14 54 18 25 22 50 7.9 7.9 100 0717+2458 THU JUL 03 19 16 19 59 20 28 07 22 20 21 04 24 04 54 05 36 14 57 18 29 22 54 7.9 7.9 100 0819+2107 FRI JUL 04 19 16 19 58 20 28 21 09 04 24 04 54 05 37 15 01 18 33 22 58 7.9 7.3 91 0916+1603 SAT JUL 05 19 16 19 58 20 28 21 50 04 25 04 55 05 37 15 05 18 37 23 03 7.9 6.6 82 1008+1018 SUN JUL 06 19 16 19 58 20 28 22 27 04 25 04 55 05 37 15 08 18 41 23 07 7.9 6.0 75 1057+0414 MON JUL 07 19 16 19 58 20 28 23 02 04 26 04 56 05 38 15 12 18 45 23 12 8.0 5.4 67 1143-0147 TUE JUL 08 19 16 19 58 20 28 23 36 04 26 04 56 05 38 15 16 18 49 23 16 8.0 4.8 60 1229-0734 WED JUL 09 19 16 19 58 20 28 00 10 04 27 04 56 05 39 15 20 18 53 23 21 8.0 4.3 53 1314-1254 THU JUL 10 19 16 19 58 20 28 00 46 04 27 04 57 05 39 15 24 18 57 23 25 8.0 3.7 46 1400-1739 FRI JUL 11 19 16 19 58 20 27 01 24 04 28 04 57 05 39 15 27 19 01 23 30 8.0 3.1 38 1448-2139 SAT JUL 12 19 16 19 58 20 27 02 06 04 28 04 58 05 40 15 31 19 05 23 33 8.0 2.4 29 1538-2444 SUN JUL 13 19 15 19 57 20 27 02 52 04 29 04 58 05 40 15 35 19 09 23 38 8.0 1.6 20 1630-2645 MON JUL 14 19 15 19 57 20 27 16 23 03 42 04 29 04 59 05 40 15 39 19 13 23 42 8.0 0.8 9 1723-2733 TUE JUL 15 19 15 19 57 20 26 17 15 04 35 04 30 04 59 05 41 15 42 19 17 23 47 8.1 0.0 0 1817-2704 WED JUL 16 19 15 19 57 20 26 18 04 05 29 04 30 05 00 05 41 15 46 19 21 23 51 8.1 0.0 0 1910-2518 THU JUL 17 19 15 19 56 20 26 18 49 06 24 04 31 05 00 05 42 15 50 19 24 23 56 8.1 0.0 0 2002-2220 FRI JUL 18 19 14 19 56 20 25 19 31 07 18 04 31 05 00 05 42 15 53 19 28 00 00 8.1 0.0 0 2052-1819 SAT JUL 19 19 14 19 56 20 25 20 10 04 32 05 01 05 42 15 57 19 32 00 05 8.1 0.0 0 2140-1326 SUN JUL 20 19 14 19 55 20 24 20 46 04 32 05 01 05 43 16 00 19 36 00 09 8.1 0.4 4 2227-0756 MON JUL 21 19 13 19 55 20 24 21 21 04 33 05 02 05 43 16 04 19 40 00 14 8.2 1.0 11 2314-0200 TUE JUL 22 19 13 19 54 20 23 21 56 04 33 05 02 05 44 16 07 19 44 00 18 8.2 1.5 18 0001+0406 WED JUL 23 19 13 19 54 20 23 22 33 04 34 05 03 05 44 16 11 19 48 00 23 8.2 2.2 26 0050+1009 THU JUL 24 19 12 19 54 20 23 23 12 04 34 05 03 05 44 16 14 19 52 00 27 8.2 2.8 34 0141+1551 FRI JUL 25 19 12 19 53 20 22 23 55 04 35 05 04 05 45 16 17 19 56 00 32 8.2 3.5 43 0236+2049 SAT JUL 26 19 12 19 53 20 21 00 45 04 35 05 04 05 45 16 20 20 00 00 36 8.2 4.4 53 0336+2441 SUN JUL 27 19 11 19 52 20 21 01 42 04 36 05 05 05 46 16 24 20 04 00 41 8.2 5.3 64 0439+2701 MON JUL 28 19 11 19 52 20 20 02 46 16 06 04 36 05 05 05 46 16 27 20 08 00 45 8.3 6.4 77 0545+2732 TUE JUL 29 19 10 19 51 20 20 03 54 17 10 04 37 05 06 05 46 16 31 20 12 00 50 8.3 7.6 91 0651+2606 WED JUL 30 19 10 19 51 20 19 05 01 18 07 04 38 05 06 05 47 16 34 20 16 00 54 8.3 8.3 100 0754+2254 THU JUL 31 19 10 19 50 20 18 06 07 18 58 04 38 05 06 05 47 16 37 20 20 00 58 8.3 8.3 100 0852+1817 ONE LINE REFERS TO EVENING DATE NEW MOON JUL 03 02:22 UT AND FOLLOWING MORNING. FIRST QUARTER JUL 10 04:39 UT All dates and times are zone HST FULL MOON JUL 18 08:04 UT in upper table (except sid time). LAST QUARTER JUL 25 18:44 UT