KECK OBSERVATORY CALENDAR FOR 2003 -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 2003 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight THU MAY 01 18 55 19 35 20 03 06 33 19 26 04 35 05 03 05 42 09 52 14 18 19 22 9.5 9.5 100 0320+1744 FRI MAY 02 18 56 19 35 20 03 07 13 20 18 04 34 05 02 05 42 09 56 14 22 19 25 9.4 8.7 92 0408+2125 SAT MAY 03 18 56 19 36 20 04 07 56 21 11 04 34 05 01 05 41 10 01 14 26 19 27 9.4 7.8 83 0458+2413 SUN MAY 04 18 56 19 36 20 04 22 05 04 33 05 01 05 41 10 05 14 30 19 31 9.4 6.9 73 0551+2557 MON MAY 05 18 57 19 37 20 05 22 59 04 32 05 00 05 40 10 10 14 34 19 34 9.4 6.0 64 0646+2629 TUE MAY 06 18 57 19 37 20 05 23 50 04 31 04 59 05 40 10 14 14 37 19 37 9.4 5.1 54 0741+2541 WED MAY 07 18 58 19 38 20 06 00 39 04 31 04 59 05 39 10 19 14 41 19 41 9.4 4.3 46 0836+2335 THU MAY 08 18 58 19 38 20 06 01 25 04 30 04 58 05 39 10 23 14 45 19 44 9.3 3.6 38 0930+2013 FRI MAY 09 18 58 19 39 20 07 02 08 04 29 04 58 05 38 10 28 14 49 19 48 9.3 2.8 30 1023+1542 SAT MAY 10 18 59 19 39 20 08 02 49 04 29 04 57 05 38 10 32 14 53 19 51 9.3 2.1 22 1115+1015 SUN MAY 11 18 59 19 40 20 08 03 28 04 28 04 57 05 37 10 36 14 57 19 55 9.3 1.5 15 1207+0406 MON MAY 12 19 00 19 40 20 09 04 09 04 28 04 56 05 37 10 40 15 01 19 58 9.3 0.8 8 1300-0226 TUE MAY 13 19 00 19 41 20 09 16 30 04 51 04 27 04 55 05 36 10 45 15 05 20 01 9.2 0.1 0 1354-0858 WED MAY 14 19 00 19 41 20 10 17 34 05 37 04 26 04 55 05 36 10 49 15 09 20 05 9.2 0.0 0 1451-1505 THU MAY 15 19 01 19 42 20 10 18 40 06 28 04 26 04 54 05 35 10 54 15 13 20 08 9.2 0.0 0 1551-2015 FRI MAY 16 19 01 19 42 20 11 19 48 07 24 04 25 04 54 05 35 10 58 15 17 20 12 9.2 0.1 1 1655-2403 SAT MAY 17 19 02 19 43 20 11 20 56 04 25 04 54 05 35 11 03 15 21 20 16 9.2 1.2 13 1759-2608 SUN MAY 18 19 02 19 43 20 12 22 00 04 24 04 53 05 34 11 07 15 25 20 19 9.2 2.3 24 1904-2623 MON MAY 19 19 03 19 44 20 13 22 59 04 24 04 53 05 34 11 12 15 29 20 23 9.1 3.2 35 2005-2457 TUE MAY 20 19 03 19 44 20 13 23 50 04 23 04 52 05 34 11 16 15 33 20 25 9.1 4.1 44 2102-2206 WED MAY 21 19 03 19 45 20 14 00 34 04 23 04 52 05 33 11 21 15 37 20 29 9.1 4.8 52 2155-1812 THU MAY 22 19 04 19 45 20 14 01 13 04 22 04 52 05 33 11 25 15 41 20 33 9.1 5.5 59 2244-1336 FRI MAY 23 19 04 19 46 20 15 01 49 04 22 04 51 05 33 11 30 15 44 20 36 9.1 6.1 66 2330-0833 SAT MAY 24 19 05 19 46 20 15 02 22 04 22 04 51 05 33 11 34 15 48 20 40 9.1 6.6 72 0014-0317 SUN MAY 25 19 05 19 47 20 16 02 54 04 21 04 51 05 32 11 39 15 52 20 44 9.1 7.1 78 0057+0201 MON MAY 26 19 05 19 47 20 17 03 26 04 21 04 50 05 32 11 43 15 56 20 47 9.1 7.7 84 0140+0713 TUE MAY 27 19 06 19 48 20 17 03 58 16 33 04 21 04 50 05 32 11 48 16 00 20 51 9.0 8.2 90 0223+1209 WED MAY 28 19 06 19 48 20 18 04 34 17 22 04 20 04 50 05 32 11 52 16 04 20 55 9.0 8.8 97 0308+1640 THU MAY 29 19 07 19 49 20 18 05 12 18 13 04 20 04 50 05 32 11 56 16 08 20 59 9.0 9.0 100 0356+2033 FRI MAY 30 19 07 19 49 20 19 05 54 19 06 04 20 04 49 05 31 12 00 16 12 21 02 9.0 9.0 100 0446+2337 SAT MAY 31 19 08 19 50 20 19 06 41 20 00 04 20 04 49 05 31 12 05 16 16 21 06 9.0 8.8 98 0538+2539 ONE LINE REFERS TO EVENING DATE NEW MOON MAY 01 12:17 UT AND FOLLOWING MORNING. FIRST QUARTER MAY 09 11:57 UT All dates and times are zone HST FULL MOON MAY 16 03:38 UT in upper table (except sid time). LAST QUARTER MAY 23 00:34 UT NEW MOON MAY 31 04:24 UT