KECK OBSERVATORY CALENDAR FOR 2007 -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 2007 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight TUE MAY 01 18 55 19 35 20 03 18 21 06 04 04 35 05 03 05 42 10 20 14 18 18 54 8.5 0.0 0 1434-1942 WED MAY 02 18 56 19 35 20 03 19 13 06 45 04 34 05 02 05 42 10 24 14 22 18 57 8.5 0.0 0 1523-2331 THU MAY 03 18 56 19 36 20 04 20 07 07 30 04 34 05 01 05 41 10 29 14 26 19 01 8.5 0.0 0 1615-2622 FRI MAY 04 18 56 19 36 20 04 21 03 04 33 05 01 05 41 10 33 14 30 19 03 8.5 1.0 11 1709-2800 SAT MAY 05 18 57 19 37 20 05 21 58 04 32 05 00 05 40 10 38 14 34 19 06 8.4 1.9 22 1806-2816 SUN MAY 06 18 57 19 37 20 05 22 51 04 31 04 59 05 40 10 42 14 38 19 09 8.4 2.8 32 1902-2704 MON MAY 07 18 58 19 38 20 06 23 40 04 31 04 59 05 39 10 47 14 42 19 13 8.4 3.6 42 1958-2426 TUE MAY 08 18 58 19 38 20 06 00 26 04 30 04 58 05 39 10 51 14 45 19 16 8.4 4.3 51 2052-2029 WED MAY 09 18 58 19 39 20 07 01 08 04 29 04 58 05 38 10 56 14 49 19 19 8.4 5.0 59 2145-1524 THU MAY 10 18 59 19 39 20 08 01 47 04 29 04 57 05 38 11 01 14 53 19 23 8.3 5.7 67 2236-0924 FRI MAY 11 18 59 19 40 20 08 02 25 04 28 04 57 05 37 11 05 14 57 19 26 8.3 6.3 75 2327-0247 SAT MAY 12 19 00 19 40 20 09 03 04 04 28 04 56 05 37 11 10 15 01 19 30 8.3 6.9 83 0018+0406 SUN MAY 13 19 00 19 41 20 09 03 44 16 07 04 27 04 55 05 36 11 14 15 05 19 33 8.3 7.6 91 0111+1056 MON MAY 14 19 00 19 41 20 10 04 28 17 11 04 26 04 55 05 36 11 19 15 09 19 36 8.3 8.3 100 0208+1712 TUE MAY 15 19 01 19 42 20 10 05 18 18 19 04 26 04 54 05 35 11 22 15 13 19 40 8.3 8.3 100 0308+2227 WED MAY 16 19 01 19 42 20 11 06 13 19 28 04 25 04 54 05 35 11 27 15 17 19 43 8.2 8.2 100 0411+2611 THU MAY 17 19 02 19 43 20 11 07 15 20 37 04 25 04 54 05 35 11 31 15 21 19 47 8.2 7.8 94 0517+2804 FRI MAY 18 19 02 19 43 20 12 21 42 04 24 04 53 05 34 11 36 15 25 19 50 8.2 6.7 81 0622+2800 SAT MAY 19 19 03 19 44 20 13 22 40 04 24 04 53 05 34 11 41 15 29 19 54 8.2 5.7 70 0723+2609 SUN MAY 20 19 03 19 44 20 13 23 29 04 23 04 52 05 34 11 45 15 33 19 57 8.2 4.9 60 0821+2251 MON MAY 21 19 03 19 45 20 14 00 12 04 23 04 52 05 33 11 50 15 37 20 00 8.1 4.2 51 0913+1830 TUE MAY 22 19 04 19 45 20 14 00 49 04 22 04 52 05 33 11 54 15 41 20 03 8.1 3.6 43 1001+1329 WED MAY 23 19 04 19 46 20 15 01 22 04 22 04 51 05 33 11 59 15 45 20 07 8.1 3.0 36 1046+0803 THU MAY 24 19 05 19 46 20 15 01 54 04 22 04 51 05 33 12 03 15 49 20 11 8.1 2.5 30 1129+0226 FRI MAY 25 19 05 19 47 20 16 02 24 04 21 04 51 05 32 12 08 15 53 20 14 8.1 1.9 24 1211-0311 SAT MAY 26 19 05 19 47 20 17 02 55 04 21 04 50 05 32 12 13 15 56 20 18 8.1 1.4 17 1253-0841 SUN MAY 27 19 06 19 48 20 17 03 28 04 21 04 50 05 32 12 17 16 00 20 22 8.1 0.9 10 1336-1352 MON MAY 28 19 06 19 48 20 18 16 15 04 03 04 20 04 50 05 32 12 22 16 04 20 25 8.0 0.3 3 1422-1835 TUE MAY 29 19 07 19 49 20 18 17 07 04 43 04 20 04 50 05 32 12 26 16 08 20 29 8.0 0.0 0 1510-2236 WED MAY 30 19 07 19 49 20 19 18 01 05 27 04 20 04 49 05 31 12 31 16 12 20 33 8.0 0.0 0 1601-2542 THU MAY 31 19 08 19 50 20 19 18 57 06 16 04 20 04 49 05 31 12 35 16 16 20 37 8.0 0.0 0 1655-2738 ONE LINE REFERS TO EVENING DATE FULL MOON MAY 02 10:14 UT AND FOLLOWING MORNING. LAST QUARTER MAY 10 04:31 UT All dates and times are zone HST NEW MOON MAY 16 19:30 UT in upper table (except sid time). FIRST QUARTER MAY 23 21:06 UT