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 FRI SEP 01 18 36 19 20 19 48 23 13 05 38 06 06 06 49 17 51 22 03 03 42 9.8 6.4 65 1436-1005 SAT SEP 02 18 37 19 21 19 48 00 11 05 37 06 04 06 48 17 54 22 07 03 45 9.8 5.4 55 1525-1405 SUN SEP 03 18 37 19 21 19 49 01 07 05 36 06 03 06 47 17 59 22 11 03 48 9.8 4.5 45 1615-1721 MON SEP 04 18 38 19 22 19 49 02 01 05 34 06 02 06 46 18 03 22 15 03 50 9.7 3.5 36 1705-1947 TUE SEP 05 18 38 19 22 19 50 02 53 05 33 06 01 06 45 18 08 22 19 03 53 9.7 2.7 27 1756-2119 WED SEP 06 18 39 19 23 19 50 03 43 05 32 06 00 06 44 18 12 22 23 03 56 9.7 1.8 18 1847-2153 THU SEP 07 18 39 19 23 19 51 04 29 05 31 05 59 06 42 18 17 22 27 03 59 9.7 1.0 10 1938-2128 FRI SEP 08 18 40 19 24 19 51 05 12 05 30 05 57 06 41 18 21 22 31 04 02 9.6 0.3 3 2028-2005 SAT SEP 09 18 40 19 24 19 52 05 52 05 28 05 56 06 40 18 26 22 35 04 04 9.6 0.0 0 2118-1748 SUN SEP 10 18 41 19 25 19 53 16 39 06 29 05 27 05 55 06 39 18 31 22 39 04 07 9.6 0.0 0 2207-1442 MON SEP 11 18 41 19 25 19 53 17 35 07 03 05 26 05 54 06 37 18 35 22 43 04 10 9.6 0.0 0 2255-1055 TUE SEP 12 18 42 19 26 19 54 18 32 07 37 05 25 05 52 06 36 18 40 22 47 04 12 9.5 0.0 0 2343-0635 WED SEP 13 18 43 19 26 19 54 19 29 05 23 05 51 06 35 18 44 22 51 04 14 9.5 0.0 0 0031-0154 THU SEP 14 18 43 19 27 19 55 20 27 05 22 05 50 06 34 18 49 22 54 04 17 9.5 0.5 5 0119+0256 FRI SEP 15 18 44 19 27 19 55 21 26 05 21 05 49 06 32 18 53 22 58 04 20 9.4 1.5 16 0208+0744 SAT SEP 16 18 44 19 28 19 56 22 26 05 20 05 47 06 31 18 58 23 02 04 23 9.4 2.5 26 0300+1214 SUN SEP 17 18 45 19 28 19 56 23 29 05 18 05 46 06 30 19 02 23 06 04 25 9.4 3.6 37 0353+1610 MON SEP 18 18 45 19 29 19 57 00 32 05 17 05 45 06 29 19 07 23 10 04 28 9.3 4.6 49 0450+1916 TUE SEP 19 18 46 19 30 19 58 01 35 05 16 05 44 06 27 19 12 23 14 04 31 9.3 5.6 60 0549+2117 WED SEP 20 18 46 19 30 19 58 02 35 05 14 05 42 06 26 19 15 23 18 04 33 9.3 6.6 71 0650+2159 THU SEP 21 18 47 19 31 19 59 03 32 05 13 05 41 06 25 19 20 23 22 04 36 9.2 7.5 81 0751+2117 FRI SEP 22 18 47 19 31 19 59 04 23 05 12 05 40 06 24 19 24 23 26 04 39 9.2 8.4 91 0852+1912 SAT SEP 23 18 48 19 32 20 00 05 09 05 10 05 39 06 22 19 29 23 30 04 41 9.2 9.2 99 0951+1553 SUN SEP 24 18 49 19 32 20 01 05 51 16 47 05 09 05 37 06 21 19 34 23 34 04 44 9.1 9.1 100 1047+1137 MON SEP 25 18 49 19 33 20 01 06 30 17 52 05 08 05 36 06 20 19 38 23 38 04 47 9.1 9.1 100 1142+0643 TUE SEP 26 18 50 19 34 20 02 07 07 18 55 05 06 05 35 06 19 19 43 23 42 04 49 9.1 9.1 100 1234+0132 WED SEP 27 18 50 19 34 20 03 07 43 19 57 05 05 05 33 06 17 19 48 23 46 04 52 9.0 9.0 100 1326-0337 THU SEP 28 18 51 19 35 20 03 20 58 05 04 05 32 06 16 19 52 23 50 04 54 9.0 8.1 89 1416-0829 FRI SEP 29 18 51 19 36 20 04 21 57 05 02 05 31 06 15 19 57 23 54 04 56 9.0 7.1 78 1506-1250 SAT SEP 30 18 52 19 36 20 05 22 55 05 01 05 30 06 14 20 02 23 58 04 59 8.9 6.1 68 1557-1628 ONE LINE REFERS TO EVENING DATE FIRST QUARTER SEP 05 16:31 UT AND FOLLOWING MORNING. FULL MOON SEP 13 19:40 UT All dates and times are zone CST LAST QUARTER SEP 21 01:32 UT in upper table (except sid time). NEW MOON SEP 27 19:56 UT