KECK OBSERVATORY CALENDAR FOR 2005 -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 2005 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight FRI JUL 01 19 16 19 58 20 29 02 27 04 23 04 53 05 35 14 49 18 20 22 44 7.9 6.0 75 0330+2202 SAT JUL 02 19 16 19 58 20 29 03 10 16 27 04 23 04 53 05 36 14 53 18 24 22 48 7.9 6.7 84 0422+2522 SUN JUL 03 19 16 19 59 20 29 03 58 17 23 04 24 04 54 05 36 14 57 18 28 22 53 7.9 7.5 94 0516+2727 MON JUL 04 19 16 19 59 20 28 04 49 18 19 04 24 04 54 05 36 15 00 18 32 22 57 7.9 7.9 100 0611+2812 TUE JUL 05 19 16 19 58 20 28 05 43 19 11 04 24 04 54 05 37 15 03 18 36 23 01 7.9 7.9 100 0705+2736 WED JUL 06 19 16 19 58 20 28 06 37 19 58 04 25 04 55 05 37 15 07 18 40 23 06 7.9 7.9 100 0757+2543 THU JUL 07 19 16 19 58 20 28 07 31 20 41 04 25 04 55 05 37 15 11 18 44 23 10 7.9 7.7 97 0848+2243 FRI JUL 08 19 16 19 58 20 28 21 20 04 26 04 56 05 38 15 15 18 48 23 15 8.0 7.1 89 0935+1847 SAT JUL 09 19 16 19 58 20 28 21 55 04 26 04 56 05 38 15 19 18 52 23 19 8.0 6.5 81 1021+1408 SUN JUL 10 19 16 19 58 20 28 22 27 04 27 04 56 05 39 15 23 18 56 23 24 8.0 6.0 75 1104+0856 MON JUL 11 19 16 19 58 20 28 22 59 04 27 04 57 05 39 15 27 19 00 23 27 8.0 5.5 68 1147+0321 TUE JUL 12 19 16 19 58 20 27 23 30 04 28 04 57 05 39 15 30 19 04 23 32 8.0 5.0 61 1230-0224 WED JUL 13 19 16 19 58 20 27 00 03 04 28 04 58 05 40 15 34 19 08 23 36 8.0 4.4 55 1315-0814 THU JUL 14 19 15 19 57 20 27 00 38 04 29 04 58 05 40 15 38 19 12 23 41 8.0 3.8 47 1402-1353 FRI JUL 15 19 15 19 57 20 27 01 18 04 29 04 59 05 40 15 42 19 15 23 45 8.0 3.2 39 1453-1906 SAT JUL 16 19 15 19 57 20 26 02 04 04 30 04 59 05 41 15 45 19 19 23 50 8.1 2.4 30 1549-2332 SUN JUL 17 19 15 19 57 20 26 02 58 04 30 05 00 05 41 15 49 19 23 23 54 8.1 1.5 19 1650-2643 MON JUL 18 19 15 19 56 20 26 16 38 04 00 04 31 05 00 05 42 15 53 19 27 23 59 8.1 0.5 6 1755-2812 TUE JUL 19 19 14 19 56 20 25 17 44 05 08 04 31 05 00 05 42 15 56 19 31 00 03 8.1 0.0 0 1903-2740 WED JUL 20 19 14 19 56 20 25 18 47 06 19 04 32 05 01 05 42 16 00 19 35 00 08 8.1 0.0 0 2010-2504 THU JUL 21 19 14 19 55 20 24 19 43 07 29 04 32 05 01 05 43 16 03 19 39 00 12 8.1 0.0 0 2114-2040 FRI JUL 22 19 13 19 55 20 24 20 33 04 33 05 02 05 43 16 06 19 43 00 17 8.2 0.1 1 2213-1458 SAT JUL 23 19 13 19 54 20 23 21 16 04 33 05 02 05 44 16 09 19 47 00 21 8.2 0.9 10 2307-0829 SUN JUL 24 19 13 19 54 20 23 21 56 04 34 05 03 05 44 16 13 19 51 00 26 8.2 1.5 18 2359-0143 MON JUL 25 19 12 19 54 20 23 22 33 04 34 05 03 05 44 16 17 19 55 00 30 8.2 2.2 26 0048+0455 TUE JUL 26 19 12 19 53 20 22 23 09 04 35 05 04 05 45 16 20 19 59 00 35 8.2 2.8 33 0137+1108 WED JUL 27 19 12 19 53 20 21 23 46 04 35 05 04 05 45 16 23 20 03 00 39 8.2 3.4 41 0227+1640 THU JUL 28 19 11 19 52 20 21 00 26 04 36 05 05 05 46 16 27 20 07 00 43 8.2 4.1 49 0317+2119 FRI JUL 29 19 11 19 52 20 20 01 09 04 36 05 05 05 46 16 30 20 11 00 47 8.3 4.8 58 0409+2453 SAT JUL 30 19 10 19 51 20 20 01 55 04 37 05 06 05 46 16 34 20 15 00 52 8.3 5.6 67 0503+2714 SUN JUL 31 19 10 19 51 20 19 02 45 16 14 04 38 05 06 05 47 16 37 20 19 00 57 8.3 6.4 77 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