KECK OBSERVATORY CALENDAR FOR 2010 -NAUTICAL (computed for altitude 4160.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) Zenith 2010 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 12 12 h h % h m d m deg SUN AUG 01 19 10 19 50 20 19 22 50 04 38 05 06 05 47 16 11 20 22 01 28 9.3 3.0 32 0151 1607 78 MON AUG 02 19 09 19 50 20 18 23 31 04 39 05 07 05 47 16 15 20 26 01 33 9.3 3.7 39 0241 1942 87 TUE AUG 03 19 09 19 49 20 17 00 17 04 39 05 07 05 48 16 18 20 30 01 37 9.3 4.5 48 0336 2233 >90 WED AUG 04 19 08 19 48 20 17 01 09 14 21 04 40 05 08 05 48 16 21 20 33 01 42 9.3 5.4 57 0433 2409 >90 THU AUG 05 19 07 19 48 20 16 02 08 15 20 04 40 05 08 05 48 16 25 20 37 01 46 9.3 6.3 67 0532 2423 >90 FRI AUG 06 19 07 19 47 20 15 03 11 16 19 04 41 05 09 05 49 16 28 20 41 01 51 9.4 7.4 79 0633 2303 >90 SAT AUG 07 19 06 19 46 20 14 04 18 17 14 04 41 05 09 05 49 16 31 20 45 01 55 9.4 8.5 90 0734 2011 >90 SUN AUG 08 19 06 19 46 20 14 05 24 18 07 04 42 05 09 05 50 16 35 20 49 01 59 9.4 9.4 100 0834 1556 >90 MON AUG 09 19 05 19 45 20 13 06 30 18 55 04 42 05 10 05 50 16 37 20 53 02 04 9.4 9.4 100 0931 1037 >90 TUE AUG 10 19 05 19 44 20 12 19 40 04 43 05 10 05 50 16 40 20 57 02 08 9.4 9.4 100 1027 0437 >90 WED AUG 11 19 04 19 44 20 11 20 23 04 43 05 11 05 51 16 44 21 01 02 13 9.4 8.8 93 1121-0138 >90 THU AUG 12 19 03 19 43 20 11 21 05 04 44 05 11 05 51 16 47 21 05 02 17 9.5 8.1 85 1215-0743 >90 FRI AUG 13 19 03 19 42 20 10 21 49 04 44 05 12 05 51 16 50 21 09 02 22 9.5 7.4 77 1308-1318 >90 SAT AUG 14 19 02 19 41 20 09 22 34 04 44 05 12 05 51 16 53 21 13 02 26 9.5 6.6 69 1403-1802 >90 SUN AUG 15 19 01 19 41 20 08 23 21 04 45 05 12 05 52 16 57 21 17 02 30 9.5 5.8 61 1458-2143 >90 MON AUG 16 19 01 19 40 20 07 00 12 04 45 05 13 05 52 17 00 21 21 02 35 9.6 5.0 52 1558-2353 >90 TUE AUG 17 19 00 19 39 20 06 01 04 04 46 05 13 05 52 17 03 21 25 02 39 9.6 4.1 43 1651-2515 80 WED AUG 18 18 59 19 38 20 06 14 29 01 58 04 46 05 13 05 53 17 06 21 29 02 43 9.6 3.2 33 1747-2509 70 THU AUG 19 18 58 19 38 20 05 15 19 02 52 04 47 05 14 05 53 17 10 21 33 02 47 9.6 2.4 24 1841-2344 60 FRI AUG 20 18 58 19 37 20 04 16 05 03 45 04 47 05 14 05 53 17 13 21 37 02 51 9.6 1.5 15 1933-2114 51 SAT AUG 21 18 57 19 36 20 03 16 47 04 37 04 48 05 15 05 54 17 16 21 40 02 56 9.6 0.6 6 2023-1750 42 SUN AUG 22 18 56 19 35 20 02 17 26 05 27 04 48 05 15 05 54 17 19 21 44 03 00 9.7 0.0 0 2110-1344 35 MON AUG 23 18 55 19 34 20 01 18 01 06 16 04 48 05 15 05 54 17 22 21 48 03 04 9.7 0.0 0 2155-0908 29 TUE AUG 24 18 54 19 33 20 00 18 35 04 49 05 16 05 54 17 25 21 52 03 09 9.7 0.0 0 2239-0414 27 WED AUG 25 18 54 19 32 19 59 19 07 04 49 05 16 05 55 17 28 21 56 03 13 9.7 0.0 0 2323 0048 28 THU AUG 26 18 53 19 32 19 58 19 40 04 49 05 16 05 55 17 31 22 00 03 17 9.7 0.1 1 0007 0548 34 FRI AUG 27 18 52 19 31 19 57 20 14 04 50 05 16 05 55 17 34 22 04 03 21 9.8 0.7 7 0052 1035 41 SAT AUG 28 18 51 19 30 19 56 20 50 04 50 05 17 05 55 17 37 22 08 03 26 9.8 1.3 13 0138 1459 50 SUN AUG 29 18 50 19 29 19 55 21 29 04 51 05 17 05 56 17 40 22 12 03 30 9.8 2.0 20 0227 1848 60 MON AUG 30 18 50 19 28 19 54 22 12 04 51 05 17 05 56 17 43 22 16 03 34 9.8 2.7 27 0319 2148 70 TUE AUG 31 18 49 19 27 19 53 23 01 04 51 05 18 05 56 17 46 22 20 03 39 9.8 3.6 36 0414 2344 81 ONE LINE REFERS TO EVENING DATE LAST QUARTER Aug 03 04:58 UT AND FOLLOWING MORNING. NEW MOON Aug 10 03:07 UT All dates and times are zone HST FIRST QUARTER Aug 16 18:13 UT in upper table (except sid time). FULL MOON Aug 24 17:04 UT