KECK OBSERVATORY CALENDAR FOR 2047 -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 2047 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 FRI FEB 01 18 24 19 03 19 29 00 16 05 42 06 08 06 47 03 30 08 28 14 37 11.1 5.9 52 0204 1745 90 SAT FEB 02 18 25 19 04 19 30 01 08 05 41 06 08 06 46 03 35 08 32 14 41 11.1 5.0 45 0251 2126 79 SUN FEB 03 18 25 19 04 19 30 02 02 05 41 06 07 06 46 03 39 08 36 14 44 11.0 4.1 36 0342 2407 68 MON FEB 04 18 26 19 05 19 31 02 57 05 41 06 07 06 46 03 44 08 40 14 48 11.0 3.2 28 0437 2541 56 TUE FEB 05 18 26 19 05 19 31 03 51 05 41 06 07 06 45 03 48 08 44 14 52 11.0 2.3 20 0533 2558 44 WED FEB 06 18 27 19 06 19 32 14 34 04 44 05 40 06 06 06 45 03 53 08 48 14 55 11.0 1.4 12 0631 2449 32 THU FEB 07 18 27 19 06 19 32 15 34 05 34 05 40 06 06 06 45 03 57 08 52 14 59 11.0 0.5 4 0730 2211 19 FRI FEB 08 18 28 19 07 19 32 16 36 06 21 05 40 06 06 06 44 04 02 08 56 15 03 11.0 0.0 0 0827 1810 07 SAT FEB 09 18 28 19 07 19 33 17 38 05 39 06 05 06 44 04 06 09 00 15 06 11.0 0.0 0 0923 1300 09 SUN FEB 10 18 29 19 07 19 33 18 40 05 39 06 05 06 43 04 10 09 04 15 10 11.0 0.0 0 1018 0700 22 MON FEB 11 18 29 19 08 19 34 19 41 05 39 06 04 06 43 04 15 09 08 15 13 10.9 0.5 5 1111 0034 36 TUE FEB 12 18 30 19 08 19 34 20 41 05 38 06 04 06 42 04 19 09 12 15 17 10.9 1.5 14 1205-0556 50 WED FEB 13 18 30 19 09 19 35 21 42 05 38 06 03 06 42 04 24 09 15 15 19 10.9 2.6 23 1259-1203 64 THU FEB 14 18 31 19 09 19 35 22 45 05 37 06 03 06 41 04 28 09 19 15 23 10.9 3.6 33 1355-1723 77 FRI FEB 15 18 31 19 10 19 35 23 48 05 37 06 03 06 41 04 33 09 23 15 27 10.9 4.6 42 1450-2126 >90 SAT FEB 16 18 32 19 10 19 36 00 51 05 36 06 02 06 40 04 37 09 27 15 30 10.9 5.7 52 1553-2438 >90 SUN FEB 17 18 32 19 10 19 36 01 52 05 36 06 01 06 40 04 40 09 31 15 33 10.9 6.7 61 1653-2601 >90 MON FEB 18 18 33 19 11 19 36 02 50 05 35 06 01 06 39 04 45 09 35 15 37 10.8 7.7 70 1753-2552 >90 TUE FEB 19 18 33 19 11 19 37 03 43 14 18 05 35 06 00 06 38 04 49 09 39 15 40 10.8 8.5 78 1850-2416 >90 WED FEB 20 18 33 19 11 19 37 04 30 15 17 05 34 06 00 06 38 04 53 09 43 15 44 10.8 9.3 86 1945-2126 >90 THU FEB 21 18 34 19 12 19 38 05 12 16 14 05 34 05 59 06 37 04 58 09 47 15 47 10.8 10.0 92 2036-1738 >90 FRI FEB 22 18 34 19 12 19 38 05 51 17 09 05 33 05 59 06 36 05 02 09 51 15 51 10.8 10.6 98 2124-1307 >90 SAT FEB 23 18 35 19 13 19 38 06 26 18 01 05 32 05 58 06 36 05 07 09 55 15 54 10.7 10.7 100 2210-0809 >90 SUN FEB 24 18 35 19 13 19 39 18 51 05 32 05 57 06 35 05 11 09 59 15 57 10.7 10.7 100 2254-0258 >90 MON FEB 25 18 35 19 13 19 39 19 40 05 31 05 57 06 34 05 15 10 03 16 01 10.7 10.3 95 2337 0216 >90 TUE FEB 26 18 36 19 14 19 39 20 29 05 30 05 56 06 34 05 20 10 07 16 04 10.7 9.4 88 0020 0721 >90 WED FEB 27 18 36 19 14 19 40 21 18 05 30 05 55 06 33 05 24 10 11 16 07 10.7 8.6 80 0104 1207 >90 THU FEB 28 18 37 19 14 19 40 22 08 05 29 05 55 06 32 05 28 10 15 16 11 10.7 7.8 72 0149 1626 >90 ONE LINE REFERS TO EVENING DATE FIRST QUARTER Feb 03 03:10 UT AND FOLLOWING MORNING. FULL MOON Feb 10 14:39 UT All dates and times are zone HST LAST QUARTER Feb 17 06:44 UT in upper table (except sid time). NEW MOON Feb 24 18:25 UT