YALO OBSERVATORY CALENDAR FOR 1999 (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 1999 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 WED DEC 01 19 39 20 30 21 04 03 06 04 00 04 35 05 25 01 03 03 59 08 00 6.9 6.0 87 1305-0148 THU DEC 02 19 40 20 31 21 06 03 39 16 03 04 00 04 34 05 25 01 08 04 03 08 04 6.9 6.5 94 1351-0606 FRI DEC 03 19 41 20 32 21 07 04 12 16 57 03 59 04 34 05 25 01 13 04 07 08 07 6.9 6.9 100 1438-1005 SAT DEC 04 19 41 20 32 21 08 04 48 17 51 03 59 04 34 05 25 01 18 04 11 08 10 6.9 6.9 100 1524-1338 SUN DEC 05 19 42 20 33 21 08 05 26 18 44 03 59 04 34 05 25 01 22 04 15 08 14 6.9 6.9 100 1612-1636 MON DEC 06 19 43 20 34 21 09 06 07 19 37 03 59 04 34 05 25 01 27 04 19 08 18 6.8 6.8 100 1701-1853 TUE DEC 07 19 44 20 35 21 10 06 51 20 29 03 59 04 34 05 25 01 32 04 23 08 22 6.8 6.8 100 1751-2021 WED DEC 08 19 44 20 36 21 11 07 39 21 19 03 59 04 34 05 25 01 37 04 27 08 26 6.8 6.7 98 1841-2056 THU DEC 09 19 45 20 37 21 12 22 06 03 59 04 34 05 26 01 42 04 31 08 30 6.8 5.9 86 1932-2035 FRI DEC 10 19 46 20 38 21 13 22 50 03 59 04 34 05 26 01 47 04 34 08 34 6.8 5.1 76 2023-1918 SAT DEC 11 19 47 20 38 21 14 23 31 03 59 04 34 05 26 01 52 04 38 08 38 6.7 4.5 66 2113-1708 SUN DEC 12 19 47 20 39 21 15 00 10 03 59 04 35 05 26 01 57 04 42 08 42 6.7 3.8 56 2202-1411 MON DEC 13 19 48 20 40 21 16 00 46 03 59 04 35 05 26 02 02 04 46 08 46 6.7 3.2 47 2251-1032 TUE DEC 14 19 49 20 41 21 16 01 22 03 59 04 35 05 27 02 06 04 50 08 50 6.7 2.6 38 2340-0619 WED DEC 15 19 49 20 41 21 17 01 58 04 00 04 35 05 27 02 11 04 54 08 55 6.7 2.0 30 0030-0140 THU DEC 16 19 50 20 42 21 18 02 35 04 00 04 36 05 27 02 16 04 58 08 59 6.7 1.4 21 0121+0312 FRI DEC 17 19 51 20 43 21 18 03 15 04 00 04 36 05 28 02 20 05 02 09 03 6.7 0.8 11 0215+0804 SAT DEC 18 19 51 20 43 21 19 16 20 03 59 04 00 04 36 05 28 02 25 05 06 09 07 6.7 0.0 0 0311+1238 SUN DEC 19 19 52 20 44 21 20 17 28 04 49 04 01 04 37 05 29 02 30 05 10 09 12 6.7 0.0 0 0411+1631 MON DEC 20 19 52 20 44 21 20 18 37 05 45 04 01 04 37 05 29 02 33 05 14 09 16 6.7 0.0 0 0514+1920 TUE DEC 21 19 53 20 45 21 21 19 45 06 47 04 02 04 38 05 30 02 38 05 18 09 21 6.7 0.0 0 0619+2047 WED DEC 22 19 53 20 45 21 21 20 49 07 52 04 02 04 38 05 30 02 42 05 22 09 24 6.7 0.0 0 0724+2042 THU DEC 23 19 54 20 46 21 22 21 46 04 03 04 39 05 31 02 47 05 26 09 29 6.7 0.4 5 0827+1909 FRI DEC 24 19 54 20 46 21 22 22 36 04 03 04 39 05 31 02 51 05 30 09 33 6.7 1.2 18 0927+1623 SAT DEC 25 19 55 20 47 21 23 23 20 04 04 04 40 05 32 02 56 05 34 09 38 6.7 2.0 29 1024+1244 SUN DEC 26 19 55 20 47 21 23 23 59 04 04 04 40 05 32 03 00 05 38 09 42 6.7 2.6 38 1116+0831 MON DEC 27 19 56 20 48 21 23 00 35 04 05 04 41 05 33 03 04 05 41 09 47 6.7 3.2 47 1206+0402 TUE DEC 28 19 56 20 48 21 24 01 08 04 06 04 42 05 33 03 09 05 45 09 52 6.7 3.7 55 1254-0029 WED DEC 29 19 56 20 48 21 24 01 41 04 07 04 42 05 34 03 13 05 49 09 57 6.7 4.3 63 1340-0452 THU DEC 30 19 57 20 48 21 24 02 14 04 07 04 43 05 35 03 17 05 53 10 01 6.7 4.8 71 1426-0859 FRI DEC 31 19 57 20 49 21 24 02 49 04 08 04 44 05 35 03 21 05 57 10 06 6.7 5.4 80 1513-1241 ONE LINE REFERS TO EVENING DATE NEW MOON DEC 07 22:34 UT AND FOLLOWING MORNING. FIRST QUARTER DEC 16 00:54 UT All dates and times are zone CST FULL MOON DEC 22 17:35 UT in upper table (except sid time). LAST QUARTER DEC 29 14:07 UT