KECK OBSERVATORY CALENDAR FOR 2004 -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 2004 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight THU JUL 01 19 16 19 58 20 29 18 43 06 09 04 23 04 53 05 36 14 19 18 21 23 15 8.9 0.0 0 1851-2725 FRI JUL 02 19 16 19 59 20 29 19 48 07 19 04 24 04 54 05 36 14 24 18 25 23 20 8.9 0.0 0 1958-2541 SAT JUL 03 19 16 19 59 20 28 20 46 04 24 04 54 05 36 14 27 18 29 23 24 8.9 0.8 8 2102-2210 SUN JUL 04 19 16 19 58 20 28 21 35 04 24 04 54 05 37 14 30 18 33 23 28 8.9 1.6 18 2200-1721 MON JUL 05 19 16 19 58 20 28 22 19 04 25 04 55 05 37 14 34 18 37 23 33 8.9 2.4 26 2253-1143 TUE JUL 06 19 16 19 58 20 28 22 57 04 25 04 55 05 37 14 38 18 41 23 37 8.9 3.0 33 2343-0543 WED JUL 07 19 16 19 58 20 28 23 32 04 26 04 56 05 38 14 42 18 45 23 42 9.0 3.6 39 0030+0020 THU JUL 08 19 16 19 58 20 28 00 06 04 26 04 56 05 38 14 46 18 49 23 46 9.0 4.1 46 0115+0611 FRI JUL 09 19 16 19 58 20 28 00 39 04 27 04 56 05 39 14 50 18 53 23 50 9.0 4.7 52 0200+1139 SAT JUL 10 19 16 19 58 20 28 01 14 04 27 04 57 05 39 14 54 18 57 23 55 9.0 5.3 58 0246+1634 SUN JUL 11 19 16 19 58 20 27 01 51 04 28 04 57 05 39 14 58 19 01 23 58 9.0 5.9 65 0333+2046 MON JUL 12 19 16 19 58 20 27 02 32 04 28 04 58 05 40 15 02 19 05 00 03 9.0 6.6 72 0423+2405 TUE JUL 13 19 15 19 57 20 27 03 16 16 38 04 29 04 58 05 40 15 05 19 09 00 07 9.0 7.3 81 0514+2622 WED JUL 14 19 15 19 57 20 27 04 05 17 31 04 29 04 59 05 40 15 09 19 12 00 12 9.0 8.1 90 0607+2728 THU JUL 15 19 15 19 57 20 26 04 57 18 23 04 30 04 59 05 41 15 13 19 16 00 16 9.0 9.0 99 0700+2717 FRI JUL 16 19 15 19 57 20 26 05 51 19 12 04 30 05 00 05 41 15 17 19 20 00 21 9.0 9.0 100 0753+2551 SAT JUL 17 19 15 19 56 20 26 06 46 19 57 04 31 05 00 05 42 15 20 19 24 00 25 9.1 9.0 99 0845+2312 SUN JUL 18 19 14 19 56 20 25 07 40 20 38 04 31 05 00 05 42 15 24 19 28 00 29 9.1 8.4 92 0935+1930 MON JUL 19 19 14 19 56 20 25 21 16 04 32 05 01 05 42 15 28 19 32 00 34 9.1 7.8 85 1023+1456 TUE JUL 20 19 14 19 55 20 24 21 52 04 32 05 01 05 43 15 30 19 36 00 38 9.1 7.2 78 1110+0940 WED JUL 21 19 13 19 55 20 24 22 26 04 33 05 02 05 43 15 34 19 40 00 43 9.1 6.6 72 1155+0356 THU JUL 22 19 13 19 54 20 23 23 00 04 33 05 02 05 44 15 37 19 44 00 47 9.1 6.0 66 1242-0204 FRI JUL 23 19 13 19 54 20 23 23 36 04 34 05 03 05 44 15 41 19 48 00 52 9.2 5.4 59 1329-0807 SAT JUL 24 19 12 19 54 20 23 00 14 04 34 05 03 05 44 15 45 19 52 00 56 9.2 4.8 52 1419-1358 SUN JUL 25 19 12 19 53 20 22 00 57 04 35 05 04 05 45 15 48 19 56 01 01 9.2 4.1 44 1513-1915 MON JUL 26 19 12 19 53 20 21 01 46 04 35 05 04 05 45 15 52 20 00 01 05 9.2 3.3 35 1612-2335 TUE JUL 27 19 11 19 52 20 21 02 43 04 36 05 05 05 46 15 55 20 04 01 10 9.2 2.4 25 1715-2630 WED JUL 28 19 11 19 52 20 20 16 22 03 47 04 36 05 05 05 46 15 59 20 08 01 14 9.2 1.3 14 1822-2736 THU JUL 29 19 10 19 51 20 20 17 28 04 55 04 37 05 06 05 46 16 02 20 12 01 18 9.2 0.2 1 1929-2641 FRI JUL 30 19 10 19 51 20 19 18 29 06 04 04 38 05 06 05 47 16 06 20 16 01 22 9.2 0.0 0 2034-2351 SAT JUL 31 19 10 19 50 20 18 19 23 07 10 04 38 05 06 05 47 16 09 20 20 01 26 9.3 0.0 0 2135-1927 ONE LINE REFERS TO EVENING DATE FULL MOON JUL 02 11:12 UT AND FOLLOWING MORNING. LAST QUARTER JUL 09 07:37 UT All dates and times are zone HST NEW MOON JUL 17 11:29 UT in upper table (except sid time). FIRST QUARTER JUL 25 03:40 UT FULL MOON JUL 31 18:08 UT