KECK OBSERVATORY CALENDAR FOR 2007 -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 2007 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight TUE MAY 01 18 55 19 35 20 03 18 21 06 04 04 35 05 03 05 42 09 52 14 18 19 22 9.5 0.0 0 1434-1942 WED MAY 02 18 56 19 35 20 03 19 13 06 45 04 34 05 02 05 42 09 56 14 22 19 25 9.4 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 01 14 26 19 28 9.4 0.5 5 1615-2622 FRI MAY 04 18 56 19 36 20 04 21 03 04 33 05 01 05 41 10 05 14 30 19 32 9.4 1.4 15 1709-2800 SAT MAY 05 18 57 19 37 20 05 21 58 04 32 05 00 05 40 10 10 14 34 19 34 9.4 2.4 25 1806-2816 SUN MAY 06 18 57 19 37 20 05 22 51 04 31 04 59 05 40 10 14 14 38 19 37 9.4 3.2 34 1902-2704 MON MAY 07 18 58 19 38 20 06 23 40 04 31 04 59 05 39 10 19 14 42 19 41 9.4 4.0 43 1958-2426 TUE MAY 08 18 58 19 38 20 06 00 26 04 30 04 58 05 39 10 23 14 45 19 44 9.3 4.8 51 2052-2029 WED MAY 09 18 58 19 39 20 07 01 08 04 29 04 58 05 38 10 28 14 49 19 48 9.3 5.5 58 2145-1524 THU MAY 10 18 59 19 39 20 08 01 47 04 29 04 57 05 38 10 32 14 53 19 51 9.3 6.1 65 2236-0924 FRI MAY 11 18 59 19 40 20 08 02 25 04 28 04 57 05 37 10 37 14 57 19 55 9.3 6.8 72 2327-0247 SAT MAY 12 19 00 19 40 20 09 03 04 04 28 04 56 05 37 10 41 15 01 19 58 9.3 7.4 79 0018+0406 SUN MAY 13 19 00 19 41 20 09 03 44 16 07 04 27 04 55 05 36 10 45 15 05 20 01 9.2 8.1 87 0111+1056 MON MAY 14 19 00 19 41 20 10 04 28 17 11 04 26 04 55 05 36 10 49 15 09 20 05 9.2 8.8 95 0208+1712 TUE MAY 15 19 01 19 42 20 10 05 18 18 19 04 26 04 54 05 35 10 54 15 13 20 08 9.2 9.2 100 0308+2227 WED MAY 16 19 01 19 42 20 11 06 13 19 28 04 25 04 54 05 35 10 58 15 17 20 12 9.2 9.2 100 0411+2611 THU MAY 17 19 02 19 43 20 11 07 15 20 37 04 25 04 54 05 35 11 03 15 21 20 16 9.2 8.3 90 0517+2804 FRI MAY 18 19 02 19 43 20 12 21 42 04 24 04 53 05 34 11 07 15 25 20 19 9.2 7.2 78 0622+2800 SAT MAY 19 19 03 19 44 20 13 22 40 04 24 04 53 05 34 11 12 15 29 20 23 9.1 6.2 67 0723+2609 SUN MAY 20 19 03 19 44 20 13 23 29 04 23 04 52 05 34 11 16 15 33 20 26 9.1 5.4 58 0821+2251 MON MAY 21 19 03 19 45 20 14 00 12 04 23 04 52 05 33 11 21 15 37 20 30 9.1 4.7 51 0913+1830 TUE MAY 22 19 04 19 45 20 14 00 49 04 22 04 52 05 33 11 25 15 41 20 33 9.1 4.1 44 1001+1329 WED MAY 23 19 04 19 46 20 15 01 22 04 22 04 51 05 33 11 30 15 45 20 36 9.1 3.5 38 1046+0803 THU MAY 24 19 05 19 46 20 15 01 54 04 22 04 51 05 33 11 34 15 49 20 40 9.1 2.9 32 1129+0226 FRI MAY 25 19 05 19 47 20 16 02 24 04 21 04 51 05 32 11 39 15 53 20 44 9.1 2.4 27 1211-0311 SAT MAY 26 19 05 19 47 20 17 02 55 04 21 04 50 05 32 11 43 15 56 20 47 9.1 1.9 21 1253-0841 SUN MAY 27 19 06 19 48 20 17 03 28 04 21 04 50 05 32 11 48 16 00 20 51 9.0 1.4 15 1336-1352 MON MAY 28 19 06 19 48 20 18 16 15 04 03 04 20 04 50 05 32 11 52 16 04 20 55 9.0 0.8 8 1422-1835 TUE MAY 29 19 07 19 49 20 18 17 07 04 43 04 20 04 50 05 32 11 57 16 08 20 59 9.0 0.1 1 1510-2236 WED MAY 30 19 07 19 49 20 19 18 01 05 27 04 20 04 49 05 31 12 01 16 12 21 02 9.0 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 05 16 16 21 06 9.0 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