KECK OBSERVATORY CALENDAR FOR 2005 -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 2005 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight FRI JUL 01 19 16 19 58 20 29 02 27 04 23 04 53 05 35 14 18 18 20 23 14 8.9 6.5 72 0330+2202 SAT JUL 02 19 16 19 58 20 29 03 10 16 27 04 23 04 53 05 36 14 22 18 24 23 18 8.9 7.2 80 0422+2522 SUN JUL 03 19 16 19 59 20 29 03 58 17 23 04 24 04 54 05 36 14 27 18 28 23 23 8.9 8.0 89 0516+2727 MON JUL 04 19 16 19 59 20 28 04 49 18 19 04 24 04 54 05 36 14 30 18 32 23 27 8.9 8.8 99 0611+2812 TUE JUL 05 19 16 19 58 20 28 05 43 19 11 04 24 04 54 05 37 14 33 18 36 23 31 8.9 8.9 100 0705+2736 WED JUL 06 19 16 19 58 20 28 06 37 19 58 04 25 04 55 05 37 14 37 18 40 23 36 8.9 8.9 100 0757+2543 THU JUL 07 19 16 19 58 20 28 07 31 20 41 04 25 04 55 05 37 14 41 18 44 23 40 8.9 8.2 91 0848+2243 FRI JUL 08 19 16 19 58 20 28 21 20 04 26 04 56 05 38 14 45 18 48 23 45 9.0 7.6 84 0935+1847 SAT JUL 09 19 16 19 58 20 28 21 55 04 26 04 56 05 38 14 49 18 52 23 49 9.0 7.0 78 1021+1408 SUN JUL 10 19 16 19 58 20 28 22 27 04 27 04 56 05 39 14 53 18 56 23 53 9.0 6.5 72 1104+0856 MON JUL 11 19 16 19 58 20 28 22 59 04 27 04 57 05 39 14 57 19 00 23 58 9.0 6.0 66 1147+0321 TUE JUL 12 19 16 19 58 20 27 23 30 04 28 04 57 05 39 15 01 19 04 00 01 9.0 5.4 60 1230-0224 WED JUL 13 19 16 19 58 20 27 00 03 04 28 04 58 05 40 15 05 19 08 00 06 9.0 4.9 54 1315-0814 THU JUL 14 19 15 19 57 20 27 00 38 04 29 04 58 05 40 15 08 19 12 00 10 9.0 4.3 48 1402-1353 FRI JUL 15 19 15 19 57 20 27 01 18 04 29 04 59 05 40 15 12 19 15 00 15 9.0 3.7 40 1453-1906 SAT JUL 16 19 15 19 57 20 26 02 04 04 30 04 59 05 41 15 16 19 19 00 19 9.0 2.9 32 1549-2332 SUN JUL 17 19 15 19 57 20 26 02 58 04 30 05 00 05 41 15 20 19 23 00 24 9.0 2.0 22 1650-2643 MON JUL 18 19 15 19 56 20 26 16 38 04 00 04 31 05 00 05 42 15 23 19 27 00 28 9.1 1.0 11 1755-2812 TUE JUL 19 19 14 19 56 20 25 17 44 05 08 04 31 05 00 05 42 15 27 19 31 00 32 9.1 0.0 0 1903-2740 WED JUL 20 19 14 19 56 20 25 18 47 06 19 04 32 05 01 05 42 15 31 19 35 00 37 9.1 0.0 0 2010-2504 THU JUL 21 19 14 19 55 20 24 19 43 07 29 04 32 05 01 05 43 15 33 19 39 00 41 9.1 0.0 0 2114-2040 FRI JUL 22 19 13 19 55 20 24 20 33 04 33 05 02 05 43 15 37 19 43 00 46 9.1 0.6 6 2213-1458 SAT JUL 23 19 13 19 54 20 23 21 16 04 33 05 02 05 44 15 40 19 47 00 50 9.1 1.4 14 2307-0829 SUN JUL 24 19 13 19 54 20 23 21 56 04 34 05 03 05 44 15 44 19 51 00 55 9.2 2.0 22 2359-0143 MON JUL 25 19 12 19 54 20 23 22 33 04 34 05 03 05 44 15 48 19 55 00 59 9.2 2.6 28 0048+0455 TUE JUL 26 19 12 19 53 20 22 23 09 04 35 05 04 05 45 15 51 19 59 01 04 9.2 3.3 35 0137+1108 WED JUL 27 19 12 19 53 20 21 23 46 04 35 05 04 05 45 15 55 20 03 01 08 9.2 3.9 42 0227+1640 THU JUL 28 19 11 19 52 20 21 00 26 04 36 05 05 05 46 15 58 20 07 01 13 9.2 4.6 49 0317+2119 FRI JUL 29 19 11 19 52 20 20 01 09 04 36 05 05 05 46 16 02 20 11 01 17 9.2 5.3 57 0409+2453 SAT JUL 30 19 10 19 51 20 20 01 55 04 37 05 06 05 46 16 05 20 15 01 21 9.2 6.1 65 0503+2714 SUN JUL 31 19 10 19 51 20 19 02 45 16 14 04 38 05 06 05 47 16 09 20 19 01 25 9.2 6.9 74 0558+2816 ONE LINE REFERS TO EVENING DATE NEW MOON JUL 06 12:03 UT AND FOLLOWING MORNING. FIRST QUARTER JUL 14 15:23 UT All dates and times are zone HST FULL MOON JUL 21 11:03 UT in upper table (except sid time). LAST QUARTER JUL 28 03:22 UT