KECK OBSERVATORY CALENDAR FOR 2007 -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 2007 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight FRI JUN 01 19 08 19 50 20 20 19 53 07 10 04 19 04 49 05 31 12 39 16 20 20 40 8.0 0.0 0 1752-2812 SAT JUN 02 19 08 19 50 20 20 20 47 04 19 04 49 05 31 12 43 16 24 20 44 8.0 0.4 5 1849-2718 SUN JUN 03 19 09 19 51 20 21 21 38 04 19 04 49 05 31 12 48 16 28 20 48 8.0 1.3 16 1945-2457 MON JUN 04 19 09 19 51 20 21 22 24 04 19 04 49 05 31 12 52 16 32 20 52 8.0 2.0 25 2040-2115 TUE JUN 05 19 09 19 52 20 22 23 07 04 19 04 49 05 31 12 57 16 36 20 56 7.9 2.8 34 2132-1626 WED JUN 06 19 10 19 52 20 22 23 47 04 19 04 49 05 31 13 01 16 40 21 00 7.9 3.4 42 2223-1044 THU JUN 07 19 10 19 53 20 23 00 24 04 19 04 49 05 31 13 06 16 44 21 03 7.9 4.0 50 2313-0425 FRI JUN 08 19 11 19 53 20 23 01 01 04 19 04 49 05 31 13 10 16 48 21 07 7.9 4.6 58 0002+0213 SAT JUN 09 19 11 19 53 20 23 01 39 04 19 04 49 05 31 13 14 16 52 21 11 7.9 5.3 66 0053+0852 SUN JUN 10 19 11 19 54 20 24 02 20 04 19 04 49 05 31 13 19 16 56 21 15 7.9 5.9 74 0147+1509 MON JUN 11 19 12 19 54 20 24 03 06 04 19 04 49 05 31 13 23 17 00 21 19 7.9 6.7 84 0244+2039 TUE JUN 12 19 12 19 55 20 25 03 58 17 07 04 19 04 49 05 31 13 28 17 03 21 23 7.9 7.6 95 0345+2454 WED JUN 13 19 12 19 55 20 25 04 56 18 16 04 19 04 49 05 31 13 32 17 07 21 27 7.9 7.9 100 0449+2729 THU JUN 14 19 13 19 55 20 25 05 59 19 22 04 19 04 49 05 31 13 36 17 11 21 31 7.9 7.9 100 0555+2811 FRI JUN 15 19 13 19 56 20 26 07 04 20 24 04 19 04 49 05 32 13 41 17 15 21 35 7.9 7.9 100 0658+2659 SAT JUN 16 19 13 19 56 20 26 21 18 04 19 04 49 05 32 13 45 17 19 21 39 7.9 7.0 89 0758+2408 SUN JUN 17 19 13 19 56 20 26 22 04 04 19 04 49 05 32 13 49 17 23 21 43 7.9 6.2 79 0853+2003 MON JUN 18 19 14 19 56 20 27 22 45 04 19 04 49 05 32 13 54 17 27 21 47 7.9 5.6 70 0944+1507 TUE JUN 19 19 14 19 57 20 27 23 20 04 19 04 50 05 32 13 57 17 31 21 51 7.9 5.0 63 1030+0941 WED JUN 20 19 14 19 57 20 27 23 53 04 20 04 50 05 32 14 01 17 35 21 56 7.9 4.5 56 1114+0401 THU JUN 21 19 14 19 57 20 27 00 24 04 20 04 50 05 33 14 05 17 39 22 00 7.9 3.9 49 1157-0140 FRI JUN 22 19 15 19 57 20 28 00 55 04 20 04 50 05 33 14 10 17 43 22 04 7.9 3.4 43 1239-0714 SAT JUN 23 19 15 19 58 20 28 01 27 04 20 04 50 05 33 14 14 17 47 22 08 7.9 2.9 36 1322-1232 SUN JUN 24 19 15 19 58 20 28 02 01 04 21 04 51 05 33 14 18 17 51 22 12 7.9 2.3 29 1407-1723 MON JUN 25 19 15 19 58 20 28 02 39 04 21 04 51 05 34 14 22 17 55 22 16 7.9 1.7 21 1455-2136 TUE JUN 26 19 15 19 58 20 28 03 22 04 21 04 51 05 34 14 26 17 59 22 20 7.9 1.0 12 1545-2458 WED JUN 27 19 16 19 58 20 28 16 48 04 09 04 21 04 52 05 34 14 30 18 03 22 24 7.9 0.2 2 1639-2714 THU JUN 28 19 16 19 58 20 28 17 44 05 02 04 22 04 52 05 34 14 34 18 07 22 29 7.9 0.0 0 1735-2811 FRI JUN 29 19 16 19 58 20 28 18 40 06 00 04 22 04 52 05 35 14 38 18 10 22 33 7.9 0.0 0 1833-2740 SAT JUN 30 19 16 19 58 20 29 19 33 06 59 04 22 04 53 05 35 14 43 18 14 22 37 7.9 0.0 0 1930-2537 ONE LINE REFERS TO EVENING DATE FULL MOON JUN 01 01:09 UT AND FOLLOWING MORNING. LAST QUARTER JUN 08 11:46 UT All dates and times are zone HST NEW MOON JUN 15 03:16 UT in upper table (except sid time). FIRST QUARTER JUN 22 13:19 UT FULL MOON JUN 30 13:52 UT