YALO OBSERVATORY CALENDAR FOR 2000 (computed for altitude 2210.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC 2000 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC DATE(CST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC FRI DEC 01 19 40 20 31 21 05 00 58 04 00 04 34 05 25 01 06 04 02 08 03 6.9 3.0 43 2206-1521 SAT DEC 02 19 41 20 32 21 07 01 32 03 59 04 34 05 25 01 12 04 06 08 06 6.9 2.5 35 2253-1137 SUN DEC 03 19 41 20 32 21 08 02 04 03 59 04 34 05 25 01 17 04 10 08 10 6.9 1.9 27 2340-0721 MON DEC 04 19 42 20 33 21 08 02 37 03 59 04 34 05 25 01 21 04 14 08 13 6.9 1.4 19 0026-0240 TUE DEC 05 19 43 20 34 21 09 03 10 03 59 04 34 05 25 01 26 04 18 08 17 6.8 0.8 11 0114+0214 WED DEC 06 19 44 20 35 21 10 03 46 03 59 04 34 05 25 01 31 04 22 08 21 6.8 0.2 3 0204+0714 THU DEC 07 19 44 20 36 21 11 16 45 04 25 03 59 04 34 05 25 01 36 04 26 08 25 6.8 0.0 0 0256+1202 FRI DEC 08 19 45 20 37 21 12 17 50 05 10 03 59 04 34 05 26 01 41 04 30 08 29 6.8 0.0 0 0352+1620 SAT DEC 09 19 46 20 38 21 13 18 57 06 01 03 59 04 34 05 26 01 46 04 34 08 33 6.8 0.0 0 0452+1944 SUN DEC 10 19 47 20 38 21 14 20 05 06 59 03 59 04 34 05 26 01 51 04 37 08 37 6.7 0.0 0 0555+2154 MON DEC 11 19 47 20 39 21 15 21 10 03 59 04 35 05 26 01 56 04 41 08 41 6.7 0.0 0 0659+2232 TUE DEC 12 19 48 20 40 21 16 22 10 03 59 04 35 05 26 02 01 04 45 08 45 6.7 0.9 13 0804+2134 WED DEC 13 19 49 20 41 21 16 23 03 03 59 04 35 05 27 02 05 04 49 08 49 6.7 1.8 26 0906+1908 THU DEC 14 19 49 20 41 21 17 23 50 04 00 04 35 05 27 02 10 04 53 08 54 6.7 2.6 37 1005+1531 FRI DEC 15 19 50 20 42 21 18 00 31 04 00 04 36 05 27 02 15 04 57 08 58 6.7 3.2 48 1100+1105 SAT DEC 16 19 51 20 43 21 18 01 08 04 00 04 36 05 28 02 19 05 01 09 02 6.7 3.8 57 1153+0609 SUN DEC 17 19 51 20 43 21 19 01 42 04 00 04 36 05 28 02 24 05 05 09 06 6.7 4.4 65 1243+0102 MON DEC 18 19 52 20 44 21 20 02 16 04 01 04 37 05 29 02 29 05 09 09 11 6.7 4.9 73 1332-0400 TUE DEC 19 19 52 20 44 21 20 02 50 04 01 04 37 05 29 02 33 05 13 09 15 6.7 5.5 82 1420-0846 WED DEC 20 19 53 20 45 21 21 03 26 16 24 04 02 04 38 05 30 02 37 05 17 09 20 6.7 6.1 91 1509-1304 THU DEC 21 19 53 20 45 21 21 04 04 17 21 04 02 04 38 05 30 02 41 05 21 09 23 6.7 6.7 100 1558-1644 FRI DEC 22 19 54 20 46 21 22 04 45 18 18 04 03 04 39 05 31 02 46 05 25 09 28 6.7 6.7 100 1649-1936 SAT DEC 23 19 54 20 46 21 22 05 29 19 13 04 03 04 39 05 31 02 50 05 29 09 32 6.7 6.7 100 1740-2132 SUN DEC 24 19 55 20 47 21 23 06 17 20 06 04 04 04 40 05 32 02 55 05 33 09 37 6.7 6.7 100 1832-2229 MON DEC 25 19 55 20 47 21 23 07 08 20 55 04 04 04 40 05 32 02 59 05 37 09 41 6.7 6.7 100 1924-2223 TUE DEC 26 19 56 20 48 21 23 21 40 04 05 04 41 05 33 03 03 05 41 09 46 6.7 6.4 95 2015-2117 WED DEC 27 19 56 20 48 21 24 22 21 04 06 04 42 05 33 03 08 05 44 09 51 6.7 5.7 85 2104-1916 THU DEC 28 19 56 20 48 21 24 22 58 04 07 04 42 05 34 03 12 05 48 09 56 6.7 5.1 76 2153-1625 FRI DEC 29 19 57 20 48 21 24 23 32 04 07 04 43 05 35 03 16 05 52 10 00 6.7 4.6 68 2240-1253 SAT DEC 30 19 57 20 49 21 24 00 04 04 08 04 44 05 35 03 20 05 56 10 05 6.7 4.1 60 2325-0849 SUN DEC 31 19 57 20 49 21 24 00 36 04 09 04 45 05 36 03 24 06 00 10 10 6.8 3.6 52 0011-0421 ONE LINE REFERS TO EVENING DATE FIRST QUARTER DEC 04 03:59 UT AND FOLLOWING MORNING. FULL MOON DEC 11 09:07 UT All dates and times are zone CST LAST QUARTER DEC 18 00:45 UT in upper table (except sid time). NEW MOON DEC 25 17:23 UT