KECK OBSERVATORY CALENDAR FOR 2015 -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 2015 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 THU OCT 01 18 21 18 58 19 24 21 27 05 00 05 25 06 03 19 18 00 21 05 47 10.4 2.5 23 0432 1639 59 FRI OCT 02 18 20 18 57 19 23 22 20 05 00 05 26 06 03 19 21 00 25 05 52 10.5 3.4 32 0530 1743 72 SAT OCT 03 18 19 18 57 19 22 23 14 05 00 05 26 06 03 19 25 00 29 05 56 10.5 4.3 40 0625 1743 83 SUN OCT 04 18 18 18 56 19 21 00 07 05 00 05 26 06 04 19 28 00 33 06 00 10.5 5.2 49 0720 1650 >90 MON OCT 05 18 17 18 55 19 20 01 00 05 01 05 26 06 04 19 31 00 37 06 04 10.5 6.1 57 0811 1506 >90 TUE OCT 06 18 16 18 54 19 19 01 51 14 29 05 01 05 26 06 04 19 34 00 41 06 08 10.5 7.0 65 0900 1242 >90 WED OCT 07 18 16 18 53 19 19 02 41 15 10 05 01 05 27 06 04 19 37 00 45 06 13 10.6 7.8 73 0948 0948 >90 THU OCT 08 18 15 18 52 19 18 03 30 15 50 05 01 05 27 06 05 19 40 00 49 06 17 10.6 8.6 81 1034 0632 >90 FRI OCT 09 18 14 18 52 19 17 04 18 16 27 05 02 05 27 06 05 19 44 00 53 06 21 10.6 9.4 89 1119 0301 >90 SAT OCT 10 18 13 18 51 19 16 05 06 17 04 05 02 05 27 06 05 19 47 00 57 06 25 10.6 10.2 96 1203-0035 >90 SUN OCT 11 18 12 18 50 19 15 05 54 17 41 05 02 05 28 06 05 19 50 01 01 06 30 10.6 10.6 100 1247-0411 >90 MON OCT 12 18 12 18 49 19 15 06 42 18 18 05 02 05 28 06 06 19 53 01 05 06 34 10.6 10.6 100 1332-0739 >90 TUE OCT 13 18 11 18 48 19 14 18 56 05 03 05 28 06 06 19 56 01 09 06 38 10.7 10.5 98 1418-1050 >90 WED OCT 14 18 10 18 48 19 13 19 37 05 03 05 29 06 06 20 00 01 13 06 42 10.7 9.9 92 1505-1338 >90 THU OCT 15 18 09 18 47 19 12 20 20 05 03 05 29 06 07 20 03 01 17 06 46 10.7 9.1 85 1554-1555 >90 FRI OCT 16 18 08 18 46 19 12 21 05 05 04 05 29 06 07 20 06 01 20 06 50 10.7 8.4 78 1645-1731 >90 SAT OCT 17 18 08 18 46 19 11 21 54 05 04 05 29 06 07 20 10 01 24 06 54 10.7 7.6 70 1737-1819 >90 SUN OCT 18 18 07 18 45 19 10 22 46 05 04 05 30 06 08 20 12 01 28 06 59 10.8 6.7 62 1830-1814 >90 MON OCT 19 18 06 18 44 19 10 23 40 05 04 05 30 06 08 20 15 01 32 07 03 10.8 5.8 54 1925-1712 >90 TUE OCT 20 18 06 18 43 19 09 00 37 05 05 05 30 06 08 20 18 01 36 07 07 10.8 4.9 45 2021-1508 85 WED OCT 21 18 05 18 43 19 08 01 35 05 05 05 31 06 09 20 22 01 40 07 12 10.8 3.9 36 2116-1219 72 THU OCT 22 18 04 18 42 19 08 14 15 02 35 05 05 05 31 06 09 20 25 01 44 07 16 10.8 2.9 27 2213-0835 59 FRI OCT 23 18 04 18 42 19 07 15 02 03 36 05 06 05 31 06 09 20 29 01 48 07 20 10.8 1.9 17 2309-0415 46 SAT OCT 24 18 03 18 41 19 07 15 50 04 38 05 06 05 32 06 10 20 32 01 52 07 25 10.9 0.9 8 0007 0027 32 SUN OCT 25 18 02 18 40 19 06 16 38 05 42 05 06 05 32 06 10 20 35 01 56 07 29 10.9 0.0 0 0105 0511 19 MON OCT 26 18 02 18 40 19 06 17 28 06 45 05 07 05 32 06 10 20 39 02 00 07 33 10.9 0.0 0 0205 0934 10 TUE OCT 27 18 01 18 39 19 05 18 19 05 07 05 33 06 11 20 42 02 04 07 38 10.9 0.0 0 0305 1317 16 WED OCT 28 18 00 18 39 19 05 19 12 05 07 05 33 06 11 20 46 02 08 07 42 10.9 0.6 5 0406 1601 28 THU OCT 29 18 00 18 38 19 04 20 06 05 08 05 33 06 12 20 49 02 12 07 46 10.9 1.5 13 0506 1738 41 FRI OCT 30 17 59 18 38 19 04 21 02 05 08 05 34 06 12 20 53 02 16 07 51 10.9 2.4 21 0605 1805 54 SAT OCT 31 17 59 18 37 19 03 21 57 05 08 05 34 06 13 20 56 02 20 07 55 10.9 3.3 30 0702 1728 66 ONE LINE REFERS TO EVENING DATE LAST QUARTER Oct 04 21:05 UT AND FOLLOWING MORNING. NEW MOON Oct 13 00:06 UT All dates and times are zone HST FIRST QUARTER Oct 20 20:31 UT in upper table (except sid time). FULL MOON Oct 27 12:06 UT