KECK OBSERVATORY CALENDAR FOR 2006 -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 2006 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight TUE AUG 01 19 10 19 50 20 18 23 49 04 38 05 06 05 47 16 11 20 22 01 28 9.3 5.3 57 1431-1847 WED AUG 02 19 09 19 50 20 18 00 29 04 39 05 07 05 47 16 15 20 25 01 33 9.3 4.6 49 1522-2300 THU AUG 03 19 09 19 49 20 17 01 15 04 39 05 07 05 48 16 18 20 29 01 37 9.3 3.9 41 1616-2615 FRI AUG 04 19 08 19 48 20 16 02 09 04 40 05 08 05 48 16 21 20 33 01 42 9.3 3.0 31 1715-2811 SAT AUG 05 19 07 19 48 20 16 03 09 04 40 05 08 05 48 16 25 20 37 01 46 9.3 2.0 21 1817-2830 SUN AUG 06 19 07 19 47 20 15 16 50 04 14 04 41 05 09 05 49 16 28 20 41 01 51 9.4 0.9 9 1920-2658 MON AUG 07 19 06 19 46 20 14 17 47 05 21 04 41 05 09 05 49 16 31 20 45 01 55 9.4 0.0 0 2023-2338 TUE AUG 08 19 06 19 46 20 14 18 38 06 28 04 42 05 09 05 49 16 34 20 49 01 59 9.4 0.0 0 2123-1842 WED AUG 09 19 05 19 45 20 13 19 25 07 33 04 42 05 10 05 50 16 37 20 53 02 04 9.4 0.0 0 2220-1234 THU AUG 10 19 04 19 44 20 12 20 07 04 43 05 10 05 50 16 40 20 57 02 08 9.4 0.4 4 2314-0542 FRI AUG 11 19 04 19 44 20 11 20 47 04 43 05 11 05 50 16 44 21 01 02 13 9.4 1.0 11 0007+0124 SAT AUG 12 19 03 19 43 20 11 21 26 04 44 05 11 05 51 16 47 21 05 02 17 9.5 1.7 18 0059+0820 SUN AUG 13 19 03 19 42 20 10 22 05 04 44 05 12 05 51 16 50 21 09 02 22 9.5 2.4 25 0151+1442 MON AUG 14 19 02 19 41 20 09 22 47 04 44 05 12 05 51 16 53 21 13 02 26 9.5 3.1 32 0245+2010 TUE AUG 15 19 01 19 41 20 08 23 32 04 45 05 12 05 52 16 57 21 17 02 30 9.5 3.9 40 0341+2425 WED AUG 16 19 00 19 40 20 07 00 22 04 45 05 13 05 52 17 00 21 21 02 35 9.6 4.7 49 0439+2716 THU AUG 17 19 00 19 39 20 06 01 16 04 46 05 13 05 52 17 03 21 25 02 38 9.6 5.6 58 0537+2833 FRI AUG 18 18 59 19 38 20 05 02 12 04 46 05 13 05 53 17 06 21 29 02 42 9.6 6.6 68 0635+2817 SAT AUG 19 18 58 19 37 20 05 03 10 16 33 04 47 05 14 05 53 17 09 21 33 02 47 9.6 7.5 78 0731+2633 SUN AUG 20 18 58 19 37 20 04 04 06 17 20 04 47 05 14 05 53 17 13 21 36 02 51 9.6 8.5 88 0824+2335 MON AUG 21 18 57 19 36 20 03 05 00 18 01 04 47 05 14 05 54 17 16 21 40 02 55 9.6 9.4 97 0913+1936 TUE AUG 22 18 56 19 35 20 02 05 52 18 38 04 48 05 15 05 54 17 19 21 44 03 00 9.7 9.7 100 1000+1453 WED AUG 23 18 55 19 34 20 01 06 41 19 11 04 48 05 15 05 54 17 22 21 48 03 04 9.7 9.7 100 1044+0938 THU AUG 24 18 54 19 33 20 00 07 29 19 42 04 49 05 15 05 54 17 25 21 52 03 08 9.7 9.5 98 1126+0406 FRI AUG 25 18 54 19 32 19 59 20 12 04 49 05 16 05 55 17 27 21 56 03 13 9.7 9.1 93 1207-0133 SAT AUG 26 18 53 19 32 19 58 20 42 04 49 05 16 05 55 17 31 22 00 03 17 9.7 8.6 88 1249-0710 SUN AUG 27 18 52 19 31 19 57 21 14 04 50 05 16 05 55 17 34 22 04 03 21 9.8 8.0 82 1332-1233 MON AUG 28 18 51 19 30 19 56 21 48 04 50 05 17 05 55 17 37 22 08 03 26 9.8 7.5 76 1417-1733 TUE AUG 29 18 50 19 29 19 55 22 25 04 51 05 17 05 56 17 40 22 12 03 30 9.8 6.9 70 1505-2156 WED AUG 30 18 49 19 28 19 54 23 08 04 51 05 17 05 56 17 43 22 16 03 34 9.8 6.2 62 1557-2526 THU AUG 31 18 49 19 27 19 53 23 57 04 51 05 18 05 56 17 46 22 20 03 39 9.8 5.3 54 1653-2748 ONE LINE REFERS TO EVENING DATE FIRST QUARTER AUG 02 08:47 UT AND FOLLOWING MORNING. FULL MOON AUG 09 10:56 UT All dates and times are zone HST LAST QUARTER AUG 16 01:53 UT in upper table (except sid time). NEW MOON AUG 23 19:10 UT FIRST QUARTER AUG 31 22:59 UT