KECK OBSERVATORY CALENDAR FOR 2008 -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 2008 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight THU MAY 01 18 56 19 35 20 03 03 25 04 34 05 02 05 42 09 55 14 21 19 24 9.4 7.8 82 2357+0300 FRI MAY 02 18 56 19 36 20 04 04 05 16 25 04 34 05 01 05 41 10 00 14 25 19 27 9.4 8.5 90 0049+0933 SAT MAY 03 18 56 19 36 20 04 04 49 17 27 04 33 05 01 05 41 10 04 14 29 19 31 9.4 9.2 97 0144+1545 SUN MAY 04 18 57 19 37 20 05 05 38 18 34 04 32 05 00 05 40 10 09 14 33 19 34 9.4 9.4 100 0244+2106 MON MAY 05 18 57 19 37 20 05 06 33 19 44 04 31 04 59 05 40 10 13 14 37 19 36 9.4 9.2 98 0348+2505 TUE MAY 06 18 58 19 38 20 06 07 36 20 54 04 31 04 59 05 39 10 18 14 41 19 40 9.4 8.1 86 0455+2716 WED MAY 07 18 58 19 38 20 06 22 02 04 30 04 58 05 39 10 22 14 45 19 43 9.3 6.9 74 0602+2726 THU MAY 08 18 58 19 39 20 07 23 03 04 29 04 58 05 38 10 27 14 48 19 47 9.3 5.9 63 0707+2540 FRI MAY 09 18 59 19 39 20 08 23 56 04 29 04 57 05 38 10 31 14 52 19 50 9.3 5.0 53 0807+2218 SAT MAY 10 18 59 19 40 20 08 00 41 04 28 04 57 05 37 10 36 14 56 19 54 9.3 4.3 45 0902+1746 SUN MAY 11 19 00 19 40 20 09 01 21 04 28 04 56 05 37 10 40 15 00 19 57 9.3 3.6 38 0953+1230 MON MAY 12 19 00 19 41 20 09 01 56 04 27 04 55 05 36 10 45 15 04 20 00 9.2 3.0 32 1041+0650 TUE MAY 13 19 00 19 41 20 10 02 30 04 26 04 55 05 36 10 48 15 08 20 04 9.2 2.4 26 1126+0101 WED MAY 14 19 01 19 42 20 10 03 02 04 26 04 54 05 35 10 53 15 12 20 07 9.2 1.9 20 1210-0441 THU MAY 15 19 01 19 42 20 11 03 35 04 25 04 54 05 35 10 57 15 16 20 11 9.2 1.3 14 1254-1009 FRI MAY 16 19 02 19 43 20 11 16 12 04 10 04 25 04 54 05 35 11 02 15 20 20 15 9.2 0.7 7 1339-1511 SAT MAY 17 19 02 19 43 20 12 17 03 04 47 04 24 04 53 05 34 11 06 15 24 20 18 9.2 0.1 1 1425-1936 SUN MAY 18 19 03 19 44 20 13 17 55 05 28 04 24 04 53 05 34 11 11 15 28 20 22 9.1 0.0 0 1514-2312 MON MAY 19 19 03 19 44 20 13 18 47 06 12 04 23 04 52 05 34 11 15 15 32 20 25 9.1 0.0 0 1605-2548 TUE MAY 20 19 03 19 45 20 14 19 41 07 00 04 23 04 52 05 33 11 20 15 36 20 29 9.1 0.0 0 1657-2716 WED MAY 21 19 04 19 45 20 14 20 33 07 52 04 22 04 52 05 33 11 24 15 40 20 33 9.1 0.8 8 1751-2728 THU MAY 22 19 04 19 46 20 15 21 22 04 22 04 51 05 33 11 29 15 44 20 35 9.1 1.6 17 1844-2624 FRI MAY 23 19 05 19 46 20 15 22 09 04 22 04 51 05 33 11 33 15 48 20 39 9.1 2.4 26 1936-2406 SAT MAY 24 19 05 19 47 20 16 22 52 04 21 04 51 05 32 11 38 15 52 20 43 9.1 3.1 34 2027-2042 SUN MAY 25 19 05 19 47 20 17 23 32 04 21 04 50 05 32 11 42 15 55 20 46 9.1 3.8 41 2116-1620 MON MAY 26 19 06 19 48 20 17 00 09 04 21 04 50 05 32 11 47 15 59 20 50 9.0 4.4 48 2204-1110 TUE MAY 27 19 06 19 48 20 18 00 45 04 20 04 50 05 32 11 51 16 03 20 54 9.0 5.0 54 2251-0523 WED MAY 28 19 07 19 49 20 18 01 20 04 20 04 50 05 32 11 56 16 07 20 58 9.0 5.5 61 2338+0047 THU MAY 29 19 07 19 49 20 19 01 57 04 20 04 49 05 31 12 00 16 11 21 01 9.0 6.1 68 0028+0708 FRI MAY 30 19 08 19 50 20 19 02 38 04 20 04 49 05 31 12 05 16 15 21 05 9.0 6.8 75 0120+1320 SAT MAY 31 19 08 19 50 20 20 03 23 16 11 04 19 04 49 05 31 12 08 16 19 21 09 9.0 7.5 84 0217+1858 ONE LINE REFERS TO EVENING DATE NEW MOON MAY 05 12:20 UT AND FOLLOWING MORNING. FIRST QUARTER MAY 12 03:49 UT All dates and times are zone HST FULL MOON MAY 20 02:14 UT in upper table (except sid time). LAST QUARTER MAY 28 03:01 UT