KECK OBSERVATORY CALENDAR FOR 2003 -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 2003 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight TUE JUL 01 19 16 19 58 20 29 21 22 04 23 04 53 05 35 14 16 18 18 23 12 8.9 7.5 84 0904+2151 WED JUL 02 19 16 19 58 20 29 22 06 04 23 04 53 05 36 14 20 18 22 23 16 8.9 6.8 76 0957+1753 THU JUL 03 19 16 19 59 20 29 22 47 04 24 04 54 05 36 14 24 18 26 23 21 8.9 6.1 68 1049+1258 FRI JUL 04 19 16 19 59 20 28 23 26 04 24 04 54 05 36 14 28 18 30 23 25 8.9 5.5 61 1139+0721 SAT JUL 05 19 16 19 58 20 28 00 03 04 24 04 54 05 37 14 31 18 34 23 29 8.9 4.9 54 1229+0118 SUN JUL 06 19 16 19 58 20 28 00 42 04 25 04 55 05 37 14 35 18 38 23 34 8.9 4.2 47 1319-0454 MON JUL 07 19 16 19 58 20 28 01 22 04 25 04 55 05 37 14 39 18 42 23 38 8.9 3.5 39 1411-1058 TUE JUL 08 19 16 19 58 20 28 02 05 04 26 04 56 05 38 14 43 18 46 23 43 9.0 2.9 31 1505-1631 WED JUL 09 19 16 19 58 20 28 02 54 04 26 04 56 05 38 14 47 18 50 23 47 9.0 2.0 22 1604-2111 THU JUL 10 19 16 19 58 20 28 16 14 03 49 04 27 04 56 05 39 14 51 18 54 23 51 9.0 1.1 12 1705-2433 FRI JUL 11 19 16 19 58 20 28 17 20 04 49 04 27 04 57 05 39 14 55 18 58 23 55 9.0 0.1 1 1809-2616 SAT JUL 12 19 16 19 58 20 27 18 24 05 52 04 28 04 57 05 39 14 59 19 02 23 59 9.0 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 03 19 06 00 04 9.0 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 06 19 10 00 08 9.0 0.3 3 2114-2110 TUE JUL 15 19 15 19 57 20 27 21 02 04 29 04 59 05 40 15 10 19 13 00 13 9.0 1.1 11 2208-1652 WED JUL 16 19 15 19 57 20 26 21 43 04 30 04 59 05 41 15 14 19 17 00 17 9.0 1.8 19 2258-1153 THU JUL 17 19 15 19 57 20 26 22 19 04 30 05 00 05 41 15 18 19 21 00 22 9.0 2.4 26 2345-0632 FRI JUL 18 19 15 19 56 20 26 22 53 04 31 05 00 05 42 15 21 19 25 00 26 9.1 3.0 32 0030-0103 SAT JUL 19 19 14 19 56 20 25 23 25 04 31 05 00 05 42 15 25 19 29 00 30 9.1 3.5 38 0113+0420 SUN JUL 20 19 14 19 56 20 25 23 58 04 32 05 01 05 42 15 28 19 33 00 35 9.1 4.0 44 0157+0930 MON JUL 21 19 14 19 55 20 24 00 31 04 32 05 01 05 43 15 31 19 37 00 39 9.1 4.6 50 0241+1417 TUE JUL 22 19 13 19 55 20 24 01 07 04 33 05 02 05 43 15 35 19 41 00 44 9.1 5.2 57 0327+1832 WED JUL 23 19 13 19 54 20 23 01 47 04 33 05 02 05 44 15 38 19 45 00 48 9.1 5.9 64 0416+2204 THU JUL 24 19 13 19 54 20 23 02 31 04 34 05 03 05 44 15 42 19 49 00 53 9.2 6.6 72 0507+2441 FRI JUL 25 19 12 19 54 20 23 03 20 16 40 04 34 05 03 05 44 15 46 19 53 00 57 9.2 7.4 81 0601+2611 SAT JUL 26 19 12 19 53 20 22 04 13 17 34 04 35 05 04 05 45 15 49 19 57 01 02 9.2 8.3 90 0657+2625 SUN JUL 27 19 12 19 53 20 21 05 10 18 27 04 35 05 04 05 45 15 53 20 01 01 06 9.2 9.2 100 0753+2515 MON JUL 28 19 11 19 52 20 21 06 10 19 17 04 36 05 05 05 46 15 56 20 05 01 11 9.2 9.2 100 0849+2243 TUE JUL 29 19 11 19 52 20 20 07 09 20 03 04 36 05 05 05 46 16 00 20 09 01 14 9.2 9.0 98 0943+1857 WED JUL 30 19 10 19 51 20 20 20 46 04 37 05 06 05 46 16 03 20 13 01 19 9.2 8.3 90 1036+1408 THU JUL 31 19 10 19 51 20 19 21 26 04 38 05 06 05 47 16 07 20 17 01 23 9.2 7.7 82 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