KECK OBSERVATORY CALENDAR FOR 2006 -ASTRONOMICAL (computed for altitude 4145.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC 2006 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight SAT JUL 01 19 16 19 58 20 29 23 40 04 23 04 53 05 35 14 48 18 19 22 43 7.9 4.7 59 1150+0105 SUN JUL 02 19 16 19 58 20 29 00 10 04 23 04 53 05 36 14 52 18 23 22 47 7.9 4.2 53 1232-0433 MON JUL 03 19 16 19 59 20 29 00 42 04 24 04 54 05 36 14 56 18 27 22 52 7.9 3.7 46 1315-1006 TUE JUL 04 19 16 19 59 20 28 01 16 04 24 04 54 05 36 14 59 18 31 22 56 7.9 3.1 39 1400-1523 WED JUL 05 19 16 19 58 20 28 01 54 04 24 04 54 05 37 15 03 18 35 23 00 7.9 2.5 31 1449-2010 THU JUL 06 19 16 19 58 20 28 02 38 04 25 04 55 05 37 15 06 18 39 23 05 7.9 1.8 22 1541-2409 FRI JUL 07 19 16 19 58 20 28 16 04 03 28 04 25 04 55 05 37 15 10 18 43 23 09 7.9 0.9 11 1639-2701 SAT JUL 08 19 16 19 58 20 28 17 06 04 25 04 26 04 56 05 38 15 14 18 47 23 14 8.0 0.0 0 1740-2824 SUN JUL 09 19 16 19 58 20 28 18 08 05 29 04 26 04 56 05 38 15 18 18 51 23 18 8.0 0.0 0 1844-2800 MON JUL 10 19 16 19 58 20 28 19 07 06 35 04 27 04 56 05 39 15 22 18 55 23 23 8.0 0.0 0 1947-2545 TUE JUL 11 19 16 19 58 20 28 20 01 07 42 04 27 04 57 05 39 15 26 18 59 23 26 8.0 0.0 0 2048-2147 WED JUL 12 19 16 19 58 20 27 20 49 04 28 04 57 05 39 15 29 19 03 23 31 8.0 0.4 4 2146-1627 THU JUL 13 19 16 19 58 20 27 21 32 04 28 04 58 05 40 15 33 19 07 23 35 8.0 1.1 13 2240-1011 FRI JUL 14 19 15 19 57 20 27 22 12 04 29 04 58 05 40 15 37 19 11 23 40 8.0 1.8 21 2332-0325 SAT JUL 15 19 15 19 57 20 27 22 50 04 29 04 59 05 40 15 41 19 15 23 44 8.0 2.4 29 0023+0325 SUN JUL 16 19 15 19 57 20 26 23 28 04 30 04 59 05 41 15 44 19 18 23 49 8.1 3.0 37 0113+1000 MON JUL 17 19 15 19 57 20 26 00 07 04 30 05 00 05 41 15 48 19 22 23 53 8.1 3.7 45 0205+1600 TUE JUL 18 19 15 19 56 20 26 00 49 04 31 05 00 05 42 15 52 19 26 23 58 8.1 4.4 54 0259+2106 WED JUL 19 19 14 19 56 20 25 01 35 04 31 05 00 05 42 15 55 19 30 00 02 8.1 5.2 63 0354+2501 THU JUL 20 19 14 19 56 20 25 02 25 04 32 05 01 05 42 15 59 19 34 00 07 8.1 6.0 73 0452+2732 FRI JUL 21 19 14 19 55 20 24 03 20 16 48 04 32 05 01 05 43 16 02 19 38 00 11 8.1 6.9 85 0551+2829 SAT JUL 22 19 13 19 55 20 24 04 18 17 45 04 33 05 02 05 43 16 06 19 42 00 16 8.2 7.9 96 0649+2754 SUN JUL 23 19 13 19 54 20 23 05 16 18 36 04 33 05 02 05 44 16 08 19 46 00 20 8.2 8.2 100 0745+2551 MON JUL 24 19 13 19 54 20 23 06 12 19 22 04 34 05 03 05 44 16 12 19 50 00 25 8.2 8.2 100 0837+2236 TUE JUL 25 19 12 19 54 20 23 07 06 20 02 04 34 05 03 05 44 16 16 19 54 00 29 8.2 8.2 100 0926+1824 WED JUL 26 19 12 19 53 20 22 07 57 20 37 04 35 05 04 05 45 16 19 19 58 00 34 8.2 8.0 96 1012+1332 THU JUL 27 19 12 19 53 20 21 21 10 04 35 05 04 05 45 16 22 20 02 00 38 8.2 7.4 90 1055+0812 FRI JUL 28 19 11 19 52 20 21 21 40 04 36 05 05 05 46 16 26 20 06 00 43 8.2 6.9 84 1137+0238 SAT JUL 29 19 11 19 52 20 20 22 10 04 36 05 05 05 46 16 29 20 10 00 46 8.3 6.4 77 1219-0300 SUN JUL 30 19 10 19 51 20 20 22 41 04 37 05 06 05 46 16 33 20 14 00 51 8.3 5.9 71 1301-0834 MON JUL 31 19 10 19 51 20 19 23 13 04 38 05 06 05 47 16 36 20 18 00 56 8.3 5.4 65 1345-1354 ONE LINE REFERS TO EVENING DATE FIRST QUARTER JUL 03 16:38 UT AND FOLLOWING MORNING. FULL MOON JUL 11 03:04 UT All dates and times are zone HST LAST QUARTER JUL 17 19:16 UT in upper table (except sid time). NEW MOON JUL 25 04:30 UT