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 TUE JUL 01 19 16 19 58 20 29 05 06 18 24 04 23 04 53 05 36 14 19 18 21 23 15 8.9 8.9 100 0611+2710 WED JUL 02 19 16 19 59 20 29 06 15 19 26 04 24 04 54 05 36 14 24 18 25 23 20 8.9 8.9 100 0717+2458 THU JUL 03 19 16 19 59 20 28 07 22 20 21 04 24 04 54 05 36 14 28 18 29 23 24 8.9 8.5 95 0819+2107 FRI JUL 04 19 16 19 58 20 28 21 09 04 24 04 54 05 37 14 31 18 33 23 28 8.9 7.8 86 0916+1603 SAT JUL 05 19 16 19 58 20 28 21 50 04 25 04 55 05 37 14 34 18 37 23 33 8.9 7.1 79 1008+1018 SUN JUL 06 19 16 19 58 20 28 22 27 04 25 04 55 05 37 14 38 18 41 23 37 8.9 6.5 72 1057+0414 MON JUL 07 19 16 19 58 20 28 23 02 04 26 04 56 05 38 14 42 18 45 23 42 9.0 5.9 65 1143-0147 TUE JUL 08 19 16 19 58 20 28 23 36 04 26 04 56 05 38 14 46 18 49 23 46 9.0 5.3 59 1229-0734 WED JUL 09 19 16 19 58 20 28 00 10 04 27 04 56 05 39 14 50 18 53 23 50 9.0 4.8 53 1314-1254 THU JUL 10 19 16 19 58 20 28 00 46 04 27 04 57 05 39 14 54 18 57 23 55 9.0 4.2 46 1400-1739 FRI JUL 11 19 16 19 58 20 27 01 24 04 28 04 57 05 39 14 58 19 01 23 59 9.0 3.5 39 1448-2139 SAT JUL 12 19 16 19 58 20 27 02 06 04 28 04 58 05 40 15 02 19 05 00 04 9.0 2.9 31 1538-2444 SUN JUL 13 19 15 19 57 20 27 02 52 04 29 04 58 05 40 15 05 19 09 00 07 9.0 2.1 23 1630-2645 MON JUL 14 19 15 19 57 20 27 16 23 03 42 04 29 04 59 05 40 15 09 19 13 00 12 9.0 1.3 14 1723-2733 TUE JUL 15 19 15 19 57 20 26 17 15 04 35 04 30 04 59 05 41 15 13 19 17 00 16 9.0 0.4 4 1817-2704 WED JUL 16 19 15 19 57 20 26 18 04 05 29 04 30 05 00 05 41 15 17 19 21 00 21 9.0 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 20 19 24 00 25 9.1 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 24 19 28 00 29 9.1 0.0 0 2052-1819 SAT JUL 19 19 14 19 56 20 25 20 10 04 32 05 01 05 42 15 28 19 32 00 34 9.1 0.2 2 2140-1326 SUN JUL 20 19 14 19 55 20 24 20 46 04 32 05 01 05 43 15 31 19 36 00 38 9.1 0.9 9 2227-0756 MON JUL 21 19 13 19 55 20 24 21 21 04 33 05 02 05 43 15 35 19 40 00 43 9.1 1.4 15 2314-0200 TUE JUL 22 19 13 19 54 20 23 21 56 04 33 05 02 05 44 15 37 19 44 00 47 9.1 2.0 22 0001+0406 WED JUL 23 19 13 19 54 20 23 22 33 04 34 05 03 05 44 15 41 19 48 00 52 9.2 2.6 28 0050+1009 THU JUL 24 19 12 19 54 20 23 23 12 04 34 05 03 05 44 15 45 19 52 00 56 9.2 3.3 36 0141+1551 FRI JUL 25 19 12 19 53 20 22 23 55 04 35 05 04 05 45 15 48 19 56 01 01 9.2 4.0 43 0236+2049 SAT JUL 26 19 12 19 53 20 21 00 45 04 35 05 04 05 45 15 52 20 00 01 05 9.2 4.9 52 0336+2441 SUN JUL 27 19 11 19 52 20 21 01 42 04 36 05 05 05 46 15 55 20 04 01 10 9.2 5.8 63 0439+2701 MON JUL 28 19 11 19 52 20 20 02 46 16 06 04 36 05 05 05 46 15 59 20 08 01 14 9.2 6.9 74 0545+2732 TUE JUL 29 19 10 19 51 20 20 03 54 17 10 04 37 05 06 05 46 16 02 20 12 01 19 9.2 8.0 87 0651+2606 WED JUL 30 19 10 19 51 20 19 05 01 18 07 04 38 05 06 05 47 16 06 20 16 01 23 9.2 9.2 99 0754+2254 THU JUL 31 19 10 19 50 20 18 06 07 18 58 04 38 05 06 05 47 16 09 20 20 01 26 9.3 9.3 100 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