KECK OBSERVATORY CALENDAR FOR 2003 -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 2003 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight TUE JUL 01 19 16 19 58 20 29 21 22 04 23 04 53 05 35 14 47 18 18 22 42 7.9 7.0 88 0904+2151 WED JUL 02 19 16 19 58 20 29 22 06 04 23 04 53 05 36 14 51 18 22 22 46 7.9 6.3 79 0957+1753 THU JUL 03 19 16 19 59 20 29 22 47 04 24 04 54 05 36 14 55 18 26 22 51 7.9 5.6 70 1049+1258 FRI JUL 04 19 16 19 59 20 28 23 26 04 24 04 54 05 36 14 58 18 30 22 55 7.9 5.0 62 1139+0721 SAT JUL 05 19 16 19 58 20 28 00 03 04 24 04 54 05 37 15 01 18 34 22 59 7.9 4.4 54 1229+0118 SUN JUL 06 19 16 19 58 20 28 00 42 04 25 04 55 05 37 15 05 18 38 23 04 7.9 3.7 46 1319-0454 MON JUL 07 19 16 19 58 20 28 01 22 04 25 04 55 05 37 15 09 18 42 23 08 7.9 3.0 38 1411-1058 TUE JUL 08 19 16 19 58 20 28 02 05 04 26 04 56 05 38 15 13 18 46 23 13 8.0 2.4 29 1505-1631 WED JUL 09 19 16 19 58 20 28 02 54 04 26 04 56 05 38 15 17 18 50 23 17 8.0 1.5 19 1604-2111 THU JUL 10 19 16 19 58 20 28 16 14 03 49 04 27 04 56 05 39 15 21 18 54 23 21 8.0 0.6 7 1705-2433 FRI JUL 11 19 16 19 58 20 28 17 20 04 49 04 27 04 57 05 39 15 25 18 58 23 25 8.0 0.0 0 1809-2616 SAT JUL 12 19 16 19 58 20 27 18 24 05 52 04 28 04 57 05 39 15 28 19 02 23 30 8.0 0.0 0 1914-2612 SUN JUL 13 19 16 19 58 20 27 19 24 06 56 04 28 04 58 05 40 15 32 19 06 23 34 8.0 0.0 0 2016-2424 MON JUL 14 19 15 19 57 20 27 20 16 07 58 04 29 04 58 05 40 15 36 19 10 23 39 8.0 0.0 0 2114-2110 TUE JUL 15 19 15 19 57 20 27 21 02 04 29 04 59 05 40 15 40 19 13 23 43 8.0 0.6 7 2208-1652 WED JUL 16 19 15 19 57 20 26 21 43 04 30 04 59 05 41 15 43 19 17 23 48 8.1 1.3 15 2258-1153 THU JUL 17 19 15 19 57 20 26 22 19 04 30 05 00 05 41 15 47 19 21 23 52 8.1 1.9 23 2345-0632 FRI JUL 18 19 15 19 56 20 26 22 53 04 31 05 00 05 42 15 51 19 25 23 57 8.1 2.5 30 0030-0103 SAT JUL 19 19 14 19 56 20 25 23 25 04 31 05 00 05 42 15 54 19 29 00 01 8.1 3.0 37 0113+0420 SUN JUL 20 19 14 19 56 20 25 23 58 04 32 05 01 05 42 15 58 19 33 00 06 8.1 3.6 43 0157+0930 MON JUL 21 19 14 19 55 20 24 00 31 04 32 05 01 05 43 16 01 19 37 00 10 8.1 4.1 50 0241+1417 TUE JUL 22 19 13 19 55 20 24 01 07 04 33 05 02 05 43 16 04 19 41 00 15 8.2 4.7 57 0327+1832 WED JUL 23 19 13 19 54 20 23 01 47 04 33 05 02 05 44 16 07 19 45 00 19 8.2 5.4 66 0416+2204 THU JUL 24 19 13 19 54 20 23 02 31 04 34 05 03 05 44 16 11 19 49 00 24 8.2 6.1 74 0507+2441 FRI JUL 25 19 12 19 54 20 23 03 20 16 40 04 34 05 03 05 44 16 15 19 53 00 28 8.2 7.0 84 0601+2611 SAT JUL 26 19 12 19 53 20 22 04 13 17 34 04 35 05 04 05 45 16 18 19 57 00 33 8.2 7.8 95 0657+2625 SUN JUL 27 19 12 19 53 20 21 05 10 18 27 04 35 05 04 05 45 16 21 20 01 00 37 8.2 8.2 100 0753+2515 MON JUL 28 19 11 19 52 20 21 06 10 19 17 04 36 05 05 05 46 16 25 20 05 00 41 8.2 8.2 100 0849+2243 TUE JUL 29 19 11 19 52 20 20 07 09 20 03 04 36 05 05 05 46 16 28 20 09 00 45 8.3 8.3 100 0943+1857 WED JUL 30 19 10 19 51 20 20 20 46 04 37 05 06 05 46 16 32 20 13 00 50 8.3 7.9 94 1036+1408 THU JUL 31 19 10 19 51 20 19 21 26 04 38 05 06 05 47 16 35 20 17 00 55 8.3 7.2 86 1127+0834 ONE LINE REFERS TO EVENING DATE FIRST QUARTER JUL 07 02:34 UT AND FOLLOWING MORNING. FULL MOON JUL 13 19:24 UT All dates and times are zone HST LAST QUARTER JUL 21 07:05 UT in upper table (except sid time). NEW MOON JUL 29 06:55 UT