KECK OBSERVATORY CALENDAR FOR 2007 -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 2007 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SUN JUL 01 19 16 19 58 20 29 20 22 07 59 04 23 04 53 05 35 14 16 18 18 23 12 8.9 0.4 4 2026-2210 MON JUL 02 19 16 19 58 20 29 21 06 04 23 04 53 05 36 14 20 18 22 23 16 8.9 1.1 12 2120-1729 TUE JUL 03 19 16 19 59 20 29 21 47 04 24 04 54 05 36 14 25 18 26 23 21 8.9 1.8 20 2211-1153 WED JUL 04 19 16 19 59 20 28 22 25 04 24 04 54 05 36 14 29 18 30 23 25 8.9 2.4 27 2301-0539 THU JUL 05 19 16 19 58 20 28 23 02 04 24 04 54 05 37 14 31 18 34 23 29 8.9 3.1 34 2350+0054 FRI JUL 06 19 16 19 58 20 28 23 39 04 25 04 55 05 37 14 35 18 38 23 34 8.9 3.7 41 0040+0729 SAT JUL 07 19 16 19 58 20 28 00 18 04 25 04 55 05 37 14 39 18 42 23 38 8.9 4.3 48 0132+1345 SUN JUL 08 19 16 19 58 20 28 01 01 04 26 04 56 05 38 14 43 18 46 23 43 9.0 5.0 56 0227+1920 MON JUL 09 19 16 19 58 20 28 01 49 04 26 04 56 05 38 14 47 18 50 23 47 9.0 5.8 65 0325+2351 TUE JUL 10 19 16 19 58 20 28 02 43 04 27 04 56 05 39 14 51 18 54 23 51 9.0 6.7 75 0427+2654 WED JUL 11 19 16 19 58 20 28 03 43 17 06 04 27 04 57 05 39 14 55 18 58 23 56 9.0 7.7 86 0531+2812 THU JUL 12 19 16 19 58 20 27 04 46 18 09 04 28 04 57 05 39 14 59 19 02 00 00 9.0 8.8 97 0635+2738 FRI JUL 13 19 16 19 58 20 27 05 50 19 06 04 28 04 58 05 40 15 03 19 06 00 05 9.0 9.0 100 0736+2521 SAT JUL 14 19 15 19 57 20 27 06 52 19 56 04 29 04 58 05 40 15 06 19 10 00 08 9.0 9.0 100 0833+2140 SUN JUL 15 19 15 19 57 20 27 07 50 20 39 04 29 04 59 05 40 15 10 19 14 00 13 9.0 8.3 92 0925+1657 MON JUL 16 19 15 19 57 20 26 21 16 04 30 04 59 05 41 15 14 19 18 00 17 9.0 7.7 85 1013+1135 TUE JUL 17 19 15 19 57 20 26 21 51 04 30 05 00 05 41 15 18 19 21 00 22 9.0 7.1 79 1059+0553 WED JUL 18 19 15 19 56 20 26 22 23 04 31 05 00 05 42 15 21 19 25 00 26 9.1 6.6 72 1142+0005 THU JUL 19 19 14 19 56 20 25 22 54 04 31 05 00 05 42 15 25 19 29 00 30 9.1 6.1 67 1225-0535 FRI JUL 20 19 14 19 56 20 25 23 26 04 32 05 01 05 42 15 29 19 33 00 35 9.1 5.6 61 1308-1101 SAT JUL 21 19 14 19 55 20 24 23 59 04 32 05 01 05 43 15 32 19 37 00 39 9.1 5.0 55 1352-1602 SUN JUL 22 19 13 19 55 20 24 00 35 04 33 05 02 05 43 15 36 19 41 00 44 9.1 4.4 48 1438-2027 MON JUL 23 19 13 19 54 20 23 01 16 04 33 05 02 05 44 15 38 19 45 00 48 9.1 3.8 41 1528-2405 TUE JUL 24 19 13 19 54 20 23 02 01 04 34 05 03 05 44 15 42 19 49 00 53 9.2 3.0 33 1620-2643 WED JUL 25 19 12 19 54 20 23 02 52 04 34 05 03 05 44 15 46 19 53 00 57 9.2 2.2 23 1716-2807 THU JUL 26 19 12 19 53 20 22 16 29 03 47 04 35 05 04 05 45 15 49 19 57 01 02 9.2 1.3 13 1813-2805 FRI JUL 27 19 12 19 53 20 21 17 23 04 47 04 35 05 04 05 45 15 53 20 01 01 06 9.2 0.3 3 1911-2631 SAT JUL 28 19 11 19 52 20 21 18 15 05 48 04 36 05 05 05 46 15 56 20 05 01 11 9.2 0.0 0 2008-2326 SUN JUL 29 19 11 19 52 20 20 19 01 06 48 04 36 05 05 05 46 16 00 20 09 01 15 9.2 0.0 0 2103-1900 MON JUL 30 19 10 19 51 20 20 19 44 07 48 04 37 05 06 05 46 16 03 20 13 01 20 9.2 0.0 0 2157-1331 TUE JUL 31 19 10 19 51 20 19 20 24 04 38 05 06 05 47 16 07 20 17 01 23 9.2 0.5 5 2248-0715 ONE LINE REFERS TO EVENING DATE LAST QUARTER JUL 07 16:57 UT AND FOLLOWING MORNING. NEW MOON JUL 14 12:06 UT All dates and times are zone HST FIRST QUARTER JUL 22 06:32 UT in upper table (except sid time). FULL MOON JUL 30 00:49 UT