KECK OBSERVATORY CALENDAR FOR 2009 -ASTRONOMICAL (computed for altitude 4160.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2009 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg MON JUN 01 19 08 19 50 20 20 02 08 04 19 04 49 05 31 12 41 16 22 20 42 8.0 2.2 27 1227-0851 65 TUE JUN 02 19 08 19 51 20 20 14 42 02 46 04 19 04 49 05 31 12 45 16 26 20 46 8.0 1.5 19 1316-1412 58 WED JUN 03 19 09 19 51 20 21 15 36 03 25 04 19 04 49 05 31 12 50 16 30 20 50 8.0 0.9 11 1405-1852 52 THU JUN 04 19 09 19 51 20 21 16 31 04 08 04 19 04 49 05 31 12 54 16 34 20 54 8.0 0.2 2 1457-2239 49 FRI JUN 05 19 10 19 52 20 22 17 26 04 54 04 19 04 49 05 31 12 59 16 38 20 58 7.9 0.0 0 1550-2522 47 SAT JUN 06 19 10 19 52 20 22 18 20 05 44 04 19 04 49 05 31 13 03 16 42 21 02 7.9 0.0 0 1644-2652 47 SUN JUN 07 19 10 19 53 20 23 19 12 06 35 04 19 04 49 05 31 13 08 16 46 21 05 7.9 0.0 0 1739-2704 49 MON JUN 08 19 11 19 53 20 23 20 02 04 19 04 49 05 31 13 12 16 50 21 09 7.9 0.0 0 1832-2601 52 TUE JUN 09 19 11 19 53 20 23 20 47 04 19 04 49 05 31 13 16 16 54 21 13 7.9 0.4 5 1924-2348 57 WED JUN 10 19 11 19 54 20 24 21 29 04 19 04 49 05 31 13 21 16 58 21 17 7.9 1.1 13 2014-2035 63 THU JUN 11 19 12 19 54 20 24 22 07 04 19 04 49 05 31 13 25 17 02 21 21 7.9 1.7 21 2101-1633 69 FRI JUN 12 19 12 19 55 20 25 22 43 04 19 04 49 05 31 13 30 17 05 21 25 7.9 2.3 29 2147-1150 76 SAT JUN 13 19 12 19 55 20 25 23 17 04 19 04 49 05 31 13 34 17 09 21 29 7.9 2.9 36 2231-0642 83 SUN JUN 14 19 13 19 55 20 25 23 50 04 19 04 49 05 31 13 38 17 13 21 33 7.9 3.4 43 2312-0102 >90 MON JUN 15 19 13 19 56 20 26 00 24 04 19 04 49 05 32 13 43 17 17 21 37 7.9 4.0 50 2400 0416 >90 TUE JUN 16 19 13 19 56 20 26 01 00 04 19 04 49 05 32 13 47 17 21 21 41 7.9 4.6 57 0047 0947 >90 WED JUN 17 19 13 19 56 20 26 01 39 14 19 04 19 04 49 05 32 13 51 17 25 21 45 7.9 5.2 66 0137 1500 >90 THU JUN 18 19 14 19 56 20 27 02 24 15 18 04 19 04 49 05 32 13 56 17 29 21 49 7.9 5.9 75 0232 1936 >90 FRI JUN 19 19 14 19 57 20 27 03 16 16 22 04 19 04 50 05 32 13 59 17 33 21 53 7.9 6.8 86 0331 2310 >90 SAT JUN 20 19 14 19 57 20 27 04 15 17 29 04 20 04 50 05 32 14 03 17 37 21 58 7.9 7.8 98 0434 2519 >90 SUN JUN 21 19 14 19 57 20 27 05 21 18 36 04 20 04 50 05 33 14 07 17 41 22 02 7.9 7.9 100 0540 2541 >90 MON JUN 22 19 15 19 57 20 28 06 31 19 40 04 20 04 50 05 33 14 12 17 45 22 06 7.9 7.9 100 0646 2409 >90 TUE JUN 23 19 15 19 58 20 28 20 37 04 20 04 50 05 33 14 16 17 49 22 10 7.9 7.7 98 0749 2051 >90 WED JUN 24 19 15 19 58 20 28 21 28 04 21 04 51 05 33 14 20 17 53 22 14 7.9 6.9 87 0849 1611 >90 THU JUN 25 19 15 19 58 20 28 22 13 04 21 04 51 05 34 14 24 17 57 22 18 7.9 6.1 77 0944 1035 >90 FRI JUN 26 19 15 19 58 20 28 22 53 04 21 04 51 05 34 14 28 18 01 22 22 7.9 5.5 69 1036 0432 >90 SAT JUN 27 19 16 19 58 20 28 23 31 04 21 04 52 05 34 14 32 18 05 22 26 7.9 4.8 61 1126-0137 >90 SUN JUN 28 19 16 19 58 20 28 00 09 04 22 04 52 05 34 14 36 18 09 22 31 7.9 4.2 53 1218-0714 >90 MON JUN 29 19 16 19 58 20 29 00 46 04 22 04 52 05 35 14 41 18 12 22 35 7.9 3.6 45 1303-1259 83 TUE JUN 30 19 16 19 58 20 29 01 25 04 22 04 53 05 35 14 45 18 16 22 39 7.9 3.0 37 1352-1753 75 ONE LINE REFERS TO EVENING DATE FULL MOON Jun 07 18:11 UT AND FOLLOWING MORNING. LAST QUARTER Jun 15 22:15 UT All dates and times are zone HST NEW MOON Jun 22 19:34 UT in upper table (except sid time). FIRST QUARTER Jun 29 11:28 UT