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 MON DEC 01 17 52 18 32 18 59 01 51 05 23 05 50 06 30 22 53 04 21 10 12 11.3 4.0 35 0008-0329 TUE DEC 02 17 52 18 33 18 59 02 41 05 23 05 50 06 30 22 58 04 25 10 16 11.3 3.2 27 0051+0203 WED DEC 03 17 53 18 33 19 00 03 29 05 24 05 51 06 31 23 01 04 29 10 21 11.3 2.4 20 0135+0727 THU DEC 04 17 53 18 33 19 00 04 19 05 24 05 51 06 32 23 05 04 33 10 25 11.3 1.5 13 0219+1232 FRI DEC 05 17 53 18 33 19 00 05 09 05 25 05 52 06 32 23 09 04 37 10 30 11.3 0.7 6 0304+1708 SAT DEC 06 17 53 18 33 19 00 16 13 06 02 05 25 05 52 06 33 23 13 04 41 10 34 11.3 0.0 0 0351+2105 SUN DEC 07 17 53 18 34 19 01 16 53 06 55 05 26 05 53 06 33 23 18 04 45 10 39 11.3 0.0 0 0441+2409 MON DEC 08 17 54 18 34 19 01 17 36 07 48 05 27 05 54 06 34 23 22 04 49 10 44 11.3 0.0 0 0532+2612 TUE DEC 09 17 54 18 34 19 01 18 25 05 27 05 54 06 35 23 26 04 53 10 48 11.3 0.0 0 0626+2702 WED DEC 10 17 54 18 35 19 02 19 16 05 28 05 55 06 35 23 31 04 57 10 53 11.3 0.7 6 0720+2636 THU DEC 11 17 55 18 35 19 02 20 11 05 28 05 55 06 36 23 35 05 01 10 57 11.3 1.6 14 0813+2454 FRI DEC 12 17 55 18 35 19 02 21 07 05 29 05 56 06 36 23 39 05 05 11 02 11.3 2.5 22 0906+2159 SAT DEC 13 17 55 18 36 19 03 22 03 05 29 05 56 06 37 23 44 05 09 11 06 11.3 3.4 30 0957+1801 SUN DEC 14 17 56 18 36 19 03 22 58 05 30 05 57 06 38 23 48 05 13 11 11 11.3 4.4 38 1046+1310 MON DEC 15 17 56 18 37 19 04 23 53 05 30 05 58 06 38 23 53 05 17 11 16 11.3 5.3 46 1134+0736 TUE DEC 16 17 56 18 37 19 04 00 48 05 31 05 58 06 39 23 57 05 21 11 20 11.3 6.2 54 1222+0133 WED DEC 17 17 57 18 37 19 05 01 45 05 31 05 59 06 39 00 01 05 25 11 25 11.4 7.1 62 1312-0444 THU DEC 18 17 57 18 38 19 05 02 45 05 32 05 59 06 40 00 06 05 28 11 28 11.4 8.1 71 1404-1100 FRI DEC 19 17 58 18 38 19 05 03 48 05 33 06 00 06 40 00 10 05 32 11 33 11.4 9.2 80 1500-1649 SAT DEC 20 17 58 18 39 19 06 04 55 05 33 06 00 06 41 00 15 05 36 11 37 11.4 10.3 90 1600-2143 SUN DEC 21 17 59 18 39 19 06 06 04 16 33 05 34 06 01 06 41 00 18 05 40 11 42 11.4 11.4 100 1704-2514 MON DEC 22 17 59 18 40 19 07 07 13 17 34 05 34 06 01 06 42 00 23 05 44 11 46 11.4 11.4 100 1811-2655 TUE DEC 23 18 00 18 40 19 07 18 40 05 35 06 02 06 42 00 27 05 48 11 51 11.4 11.4 100 1918-2636 WED DEC 24 18 00 18 41 19 08 19 47 05 35 06 02 06 43 00 32 05 52 11 55 11.4 10.3 90 2023-2426 THU DEC 25 18 01 18 41 19 08 20 53 05 35 06 03 06 43 00 36 05 56 12 00 11.4 9.2 80 2122-2045 FRI DEC 26 18 01 18 42 19 09 21 54 05 36 06 03 06 44 00 41 06 00 12 04 11.3 8.2 71 2217-1602 SAT DEC 27 18 02 18 42 19 10 22 51 05 36 06 04 06 44 00 45 06 04 12 09 11.4 7.2 63 2307-1040 SUN DEC 28 18 02 18 43 19 10 23 44 05 37 06 04 06 44 00 50 06 08 12 13 11.3 6.3 55 2354-0502 MON DEC 29 18 03 18 43 19 11 00 35 05 37 06 04 06 45 00 54 06 12 12 17 11.3 5.5 48 0039+0037 TUE DEC 30 18 04 18 44 19 11 01 25 05 38 06 05 06 45 00 59 06 16 12 22 11.3 4.7 41 0123+0608 WED DEC 31 18 04 18 45 19 12 02 14 05 38 06 05 06 46 01 04 06 20 12 26 11.3 3.9 33 0206+1120 ONE LINE REFERS TO EVENING DATE FULL MOON DEC 08 20:40 UT AND FOLLOWING MORNING. LAST QUARTER DEC 16 17:46 UT All dates and times are zone HST NEW MOON DEC 23 09:46 UT in upper table (except sid time). FIRST QUARTER DEC 30 10:05 UT