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 WED JUN 01 19 08 19 50 20 20 02 32 04 19 04 49 05 31 12 41 16 22 20 42 8.0 6.2 77 0114+0739 THU JUN 02 19 08 19 50 20 20 03 08 04 19 04 49 05 31 12 45 16 26 20 46 8.0 6.8 85 0201+1328 FRI JUN 03 19 09 19 51 20 21 03 46 16 38 04 19 04 49 05 31 12 50 16 30 20 50 8.0 7.4 93 0251+1836 SAT JUN 04 19 09 19 51 20 21 04 28 17 35 04 19 04 49 05 31 12 54 16 34 20 54 8.0 8.0 100 0342+2250 SUN JUN 05 19 09 19 52 20 22 05 13 18 32 04 19 04 49 05 31 12 59 16 38 20 57 7.9 7.9 100 0435+2557 MON JUN 06 19 10 19 52 20 22 06 02 19 29 04 19 04 49 05 31 13 03 16 42 21 01 7.9 7.9 100 0530+2746 TUE JUN 07 19 10 19 53 20 23 06 55 20 24 04 19 04 49 05 31 13 08 16 46 21 05 7.9 7.9 99 0625+2812 WED JUN 08 19 11 19 53 20 23 07 49 21 15 04 19 04 49 05 31 13 12 16 50 21 09 7.9 7.1 89 0719+2717 THU JUN 09 19 11 19 53 20 23 22 01 04 19 04 49 05 31 13 16 16 54 21 13 7.9 6.3 79 0811+2507 FRI JUN 10 19 11 19 54 20 24 22 43 04 19 04 49 05 31 13 21 16 57 21 17 7.9 5.6 70 0901+2152 SAT JUN 11 19 12 19 54 20 24 23 20 04 19 04 49 05 31 13 25 17 01 21 21 7.9 5.0 62 0948+1745 SUN JUN 12 19 12 19 55 20 25 23 55 04 19 04 49 05 31 13 30 17 05 21 25 7.9 4.4 55 1033+1256 MON JUN 13 19 12 19 55 20 25 00 27 04 19 04 49 05 31 13 34 17 09 21 29 7.9 3.9 48 1117+0735 TUE JUN 14 19 13 19 55 20 25 00 59 04 19 04 49 05 31 13 38 17 13 21 33 7.9 3.3 42 1201+0153 WED JUN 15 19 13 19 56 20 26 01 31 04 19 04 49 05 32 13 43 17 17 21 37 7.9 2.8 35 1245-0402 THU JUN 16 19 13 19 56 20 26 02 06 04 19 04 49 05 32 13 47 17 21 21 41 7.9 2.2 28 1331-0958 FRI JUN 17 19 13 19 56 20 26 02 44 04 19 04 49 05 32 13 51 17 25 21 45 7.9 1.6 20 1420-1540 SAT JUN 18 19 14 19 56 20 27 03 27 04 19 04 49 05 32 13 55 17 29 21 49 7.9 0.9 11 1514-2048 SUN JUN 19 19 14 19 57 20 27 16 45 04 18 04 19 04 50 05 32 13 59 17 33 21 53 7.9 0.0 0 1614-2454 MON JUN 20 19 14 19 57 20 27 17 52 05 17 04 20 04 50 05 32 14 03 17 37 21 58 7.9 0.0 0 1718-2729 TUE JUN 21 19 14 19 57 20 27 19 00 06 23 04 20 04 50 05 33 14 07 17 41 22 02 7.9 0.0 0 1825-2811 WED JUN 22 19 15 19 57 20 28 20 06 07 33 04 20 04 50 05 33 14 12 17 45 22 06 7.9 0.0 0 1933-2647 THU JUN 23 19 15 19 58 20 28 21 05 04 20 04 50 05 33 14 16 17 49 22 09 7.9 0.6 7 2038-2329 FRI JUN 24 19 15 19 58 20 28 21 56 04 21 04 51 05 33 14 20 17 53 22 14 7.9 1.5 18 2138-1839 SAT JUN 25 19 15 19 58 20 28 22 41 04 21 04 51 05 34 14 24 17 57 22 18 7.9 2.2 28 2234-1248 SUN JUN 26 19 15 19 58 20 28 23 21 04 21 04 51 05 34 14 28 18 01 22 22 7.9 2.9 36 2325-0625 MON JUN 27 19 16 19 58 20 28 23 58 04 21 04 52 05 34 14 32 18 05 22 26 7.9 3.5 44 0015+0006 TUE JUN 28 19 16 19 58 20 28 00 34 04 22 04 52 05 34 14 36 18 08 22 31 7.9 4.1 51 0102+0628 WED JUN 29 19 16 19 58 20 28 01 09 04 22 04 52 05 35 14 40 18 12 22 35 7.9 4.7 59 0150+1223 THU JUN 30 19 16 19 58 20 29 01 47 04 22 04 53 05 35 14 45 18 16 22 39 7.9 5.3 67 0239+1739 ONE LINE REFERS TO EVENING DATE NEW MOON JUN 06 21:56 UT AND FOLLOWING MORNING. FIRST QUARTER JUN 15 01:25 UT All dates and times are zone HST FULL MOON JUN 22 04:16 UT in upper table (except sid time). LAST QUARTER JUN 28 18:27 UT