KECK OBSERVATORY CALENDAR FOR 2005 -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 2005 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight THU DEC 01 17 52 18 32 18 59 07 48 18 08 05 23 05 50 06 30 22 55 04 24 10 14 11.3 11.3 100 1723-2755 FRI DEC 02 17 52 18 33 18 59 19 09 05 23 05 50 06 30 23 00 04 27 10 18 11.3 10.7 94 1827-2819 SAT DEC 03 17 53 18 33 19 00 20 14 05 24 05 51 06 31 23 03 04 31 10 23 11.3 9.6 85 1932-2647 SUN DEC 04 17 53 18 33 19 00 21 21 05 24 05 51 06 32 23 07 04 35 10 27 11.3 8.5 75 2034-2330 MON DEC 05 17 53 18 33 19 00 22 26 05 25 05 52 06 32 23 11 04 39 10 32 11.3 7.4 65 2132-1847 TUE DEC 06 17 53 18 33 19 00 23 28 05 25 05 52 06 33 23 15 04 43 10 36 11.3 6.4 56 2227-1303 WED DEC 07 17 53 18 34 19 01 00 27 05 26 05 53 06 33 23 20 04 47 10 41 11.3 5.4 48 2318-0642 THU DEC 08 17 54 18 34 19 01 01 24 05 27 05 54 06 34 23 24 04 51 10 46 11.3 4.5 39 0007-0006 FRI DEC 09 17 54 18 34 19 01 02 21 05 27 05 54 06 35 23 28 04 55 10 50 11.3 3.6 31 0056+0624 SAT DEC 10 17 54 18 35 19 02 03 18 05 28 05 55 06 35 23 33 04 59 10 55 11.3 2.6 23 0145+1233 SUN DEC 11 17 55 18 35 19 02 04 16 05 28 05 55 06 36 23 37 05 03 10 59 11.3 1.6 14 0236+1802 MON DEC 12 17 55 18 35 19 02 05 15 05 29 05 56 06 36 23 41 05 07 11 04 11.3 0.7 6 0329+2235 TUE DEC 13 17 55 18 36 19 03 16 04 06 16 05 29 05 56 06 37 23 46 05 11 11 08 11.3 0.0 0 0424+2556 WED DEC 14 17 56 18 36 19 03 16 53 07 14 05 30 05 57 06 38 23 50 05 15 11 13 11.3 0.0 0 0521+2753 THU DEC 15 17 56 18 37 19 04 17 46 05 30 05 58 06 38 23 55 05 19 11 18 11.3 0.0 0 0618+2820 FRI DEC 16 17 56 18 37 19 04 18 42 05 31 05 58 06 39 23 59 05 23 11 22 11.3 0.1 0 0714+2720 SAT DEC 17 17 57 18 37 19 05 19 38 05 31 05 59 06 39 00 03 05 27 11 27 11.4 1.0 8 0808+2502 SUN DEC 18 17 57 18 38 19 05 20 33 05 32 05 59 06 40 00 08 05 31 11 31 11.4 1.9 16 0858+2138 MON DEC 19 17 58 18 38 19 05 21 26 05 33 06 00 06 40 00 12 05 34 11 35 11.4 2.8 24 0945+1724 TUE DEC 20 17 58 18 39 19 06 22 16 05 33 06 00 06 41 00 17 05 38 11 39 11.4 3.6 31 1030+1231 WED DEC 21 17 59 18 39 19 06 23 05 05 34 06 01 06 41 00 20 05 42 11 44 11.4 4.4 39 1113+0712 THU DEC 22 17 59 18 40 19 07 23 53 05 34 06 01 06 42 00 25 05 46 11 48 11.4 5.2 45 1155+0136 FRI DEC 23 18 00 18 40 19 07 00 42 05 35 06 02 06 42 00 29 05 50 11 53 11.4 6.0 53 1237-0407 SAT DEC 24 18 00 18 41 19 08 01 32 05 35 06 02 06 43 00 34 05 54 11 57 11.4 6.9 60 1321-0950 SUN DEC 25 18 01 18 41 19 08 02 25 05 35 06 03 06 43 00 38 05 58 12 02 11.4 7.7 68 1408-1519 MON DEC 26 18 01 18 42 19 09 03 22 05 36 06 03 06 44 00 43 06 02 12 06 11.3 8.7 76 1459-2018 TUE DEC 27 18 02 18 42 19 10 04 23 05 36 06 04 06 44 00 47 06 06 12 11 11.4 9.7 85 1555-2425 WED DEC 28 18 02 18 43 19 10 05 28 05 37 06 04 06 44 00 52 06 10 12 15 11.3 10.7 94 1656-2715 THU DEC 29 18 03 18 43 19 11 06 33 16 50 05 37 06 04 06 45 00 56 06 14 12 19 11.3 11.3 100 1801-2822 FRI DEC 30 18 04 18 44 19 11 07 36 17 55 05 38 06 05 06 45 01 01 06 18 12 24 11.3 11.3 100 1907-2732 SAT DEC 31 18 04 18 45 19 12 19 04 05 38 06 05 06 46 01 06 06 22 12 28 11.3 11.0 97 2012-2444 ONE LINE REFERS TO EVENING DATE NEW MOON DEC 01 15:03 UT AND FOLLOWING MORNING. FIRST QUARTER DEC 08 09:38 UT All dates and times are zone HST FULL MOON DEC 15 16:18 UT in upper table (except sid time). LAST QUARTER DEC 23 19:39 UT NEW MOON DEC 31 03:14 UT