KECK OBSERVATORY CALENDAR FOR 2013 -NAUTICAL (computed for altitude 4160.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) Zenith 2013 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 12 12 h h % h m d m deg TUE OCT 01 18 21 18 58 19 24 04 00 16 12 05 00 05 25 06 03 19 20 00 23 05 49 10.4 9.0 86 1033 0401 >90 WED OCT 02 18 20 18 57 19 23 04 53 16 51 05 00 05 26 06 03 19 23 00 27 05 54 10.5 9.9 94 1121-0011 >90 THU OCT 03 18 19 18 57 19 22 05 47 17 31 05 00 05 26 06 03 19 27 00 31 05 58 10.5 10.5 100 1210-0428 >90 FRI OCT 04 18 18 18 56 19 21 06 43 18 12 05 00 05 26 06 04 19 30 00 35 06 02 10.5 10.5 100 1300-0839 >90 SAT OCT 05 18 17 18 55 19 20 18 56 05 01 05 26 06 04 19 33 00 39 06 06 10.5 10.5 99 1353-1230 >90 SUN OCT 06 18 16 18 54 19 19 19 44 05 01 05 26 06 04 19 36 00 43 06 10 10.5 9.7 92 1448-1544 >90 MON OCT 07 18 16 18 53 19 19 20 35 05 01 05 27 06 04 19 39 00 47 06 15 10.6 8.9 83 1545-1808 >90 TUE OCT 08 18 15 18 52 19 18 21 31 05 01 05 27 06 05 19 42 00 51 06 19 10.6 7.9 74 1643-1929 >90 WED OCT 09 18 14 18 52 19 17 22 29 05 02 05 27 06 05 19 46 00 55 06 23 10.6 7.0 65 1743-1938 >90 THU OCT 10 18 13 18 51 19 16 23 29 05 02 05 27 06 05 19 49 00 59 06 27 10.6 6.0 56 1843-1835 >90 FRI OCT 11 18 12 18 50 19 15 00 29 05 02 05 28 06 05 19 52 01 03 06 32 10.6 5.0 46 1942-1618 87 SAT OCT 12 18 12 18 49 19 15 01 29 05 02 05 28 06 06 19 55 01 07 06 35 10.6 4.0 37 2039-1315 74 SUN OCT 13 18 11 18 48 19 14 14 11 02 28 05 03 05 28 06 06 19 58 01 11 06 39 10.7 3.0 28 2134-0919 61 MON OCT 14 18 10 18 48 19 13 14 56 03 26 05 03 05 29 06 06 20 02 01 14 06 44 10.7 2.0 19 2228-0455 48 TUE OCT 15 18 09 18 47 19 12 15 39 04 23 05 03 05 29 06 07 20 05 01 18 06 48 10.7 1.1 10 2320-0017 35 WED OCT 16 18 08 18 46 19 12 16 22 05 19 05 04 05 29 06 07 20 07 01 22 06 52 10.7 0.2 1 0012 0419 23 THU OCT 17 18 08 18 46 19 11 17 04 06 14 05 04 05 29 06 07 20 11 01 26 06 56 10.7 0.0 0 0104 0836 12 FRI OCT 18 18 07 18 45 19 10 17 46 05 04 05 30 06 08 20 14 01 30 07 01 10.8 0.0 0 0156 1223 10 SAT OCT 19 18 06 18 44 19 10 18 30 05 04 05 30 06 08 20 17 01 34 07 05 10.8 0.0 0 0249 1527 18 SUN OCT 20 18 06 18 43 19 09 19 16 05 05 05 30 06 08 20 20 01 38 07 09 10.8 0.5 5 0341 1741 29 MON OCT 21 18 05 18 43 19 08 20 02 05 05 05 31 06 09 20 24 01 42 07 14 10.8 1.3 12 0434 1900 40 TUE OCT 22 18 04 18 42 19 08 20 50 05 05 05 31 06 09 20 27 01 46 07 18 10.8 2.1 19 0526 1923 52 WED OCT 23 18 04 18 42 19 07 21 39 05 06 05 31 06 09 20 31 01 50 07 22 10.8 2.9 27 0617 1851 63 THU OCT 24 18 03 18 41 19 07 22 29 05 06 05 32 06 10 20 34 01 54 07 27 10.9 3.8 35 0706 1729 73 FRI OCT 25 18 02 18 40 19 06 23 19 05 06 05 32 06 10 20 37 01 58 07 31 10.9 4.7 42 0755 1520 84 SAT OCT 26 18 02 18 40 19 06 00 09 05 07 05 32 06 10 20 41 02 02 07 35 10.9 5.5 50 0843 1236 >90 SUN OCT 27 18 01 18 39 19 05 00 59 05 07 05 33 06 11 20 44 02 06 07 40 10.9 6.3 58 0930 0917 >90 MON OCT 28 18 00 18 39 19 05 01 49 14 06 05 07 05 33 06 11 20 48 02 10 07 44 10.9 7.2 65 1017 0530 >90 TUE OCT 29 18 00 18 38 19 04 02 41 14 45 05 08 05 33 06 12 20 51 02 14 07 48 10.9 8.1 73 1104 0125 >90 WED OCT 30 17 59 18 38 19 04 03 34 15 24 05 08 05 34 06 12 20 55 02 18 07 52 10.9 8.9 81 1152-0250 >90 THU OCT 31 17 59 18 37 19 03 04 29 16 05 05 08 05 34 06 13 20 58 02 21 07 56 10.9 9.9 90 1242-0705 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Oct 05 00:33 UT AND FOLLOWING MORNING. FIRST QUARTER Oct 11 23:03 UT All dates and times are zone HST FULL MOON Oct 18 23:38 UT in upper table (except sid time). LAST QUARTER Oct 26 23:42 UT