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 FRI OCT 01 18 52 19 36 20 05 02 24 05 01 05 30 06 14 20 03 23 58 05 00 8.9 6.3 70 0725+2006 SAT OCT 02 18 53 19 37 20 05 03 14 05 00 05 28 06 12 20 07 00 02 05 03 8.9 7.1 80 0823+1838 SUN OCT 03 18 53 19 37 20 06 04 00 04 58 05 27 06 11 20 12 00 06 05 05 8.9 7.9 89 0919+1608 MON OCT 04 18 54 19 38 20 07 04 41 04 57 05 26 06 10 20 17 00 10 05 08 8.8 8.6 96 1013+1247 TUE OCT 05 18 54 19 39 20 08 05 19 16 30 04 56 05 24 06 09 20 22 00 14 05 11 8.8 8.8 100 1104+0851 WED OCT 06 18 55 19 39 20 08 05 54 17 28 04 54 05 23 06 08 20 26 00 18 05 13 8.8 8.8 100 1154+0434 THU OCT 07 18 56 19 40 20 09 06 28 18 25 04 53 05 22 06 06 20 31 00 22 05 16 8.7 8.7 100 1242+0008 FRI OCT 08 18 56 19 41 20 10 07 02 19 20 04 52 05 21 06 05 20 35 00 26 05 19 8.7 8.7 100 1329-0413 SAT OCT 09 18 57 19 42 20 11 07 36 20 15 04 50 05 19 06 04 20 40 00 30 05 21 8.7 8.6 99 1416-0820 SUN OCT 10 18 58 19 42 20 11 21 09 04 49 05 18 06 03 20 44 00 34 05 24 8.6 7.7 88 1503-1203 MON OCT 11 18 58 19 43 20 12 22 03 04 48 05 17 06 02 20 49 00 38 05 27 8.6 6.8 78 1550-1514 TUE OCT 12 18 59 19 44 20 13 22 56 04 46 05 16 06 00 20 54 00 42 05 29 8.5 5.8 68 1639-1746 WED OCT 13 19 00 19 44 20 14 23 48 04 45 05 14 05 59 20 59 00 46 05 32 8.5 5.0 58 1728-1931 THU OCT 14 19 00 19 45 20 15 00 38 04 44 05 13 05 58 21 04 00 50 05 35 8.5 4.1 48 1818-2026 FRI OCT 15 19 01 19 46 20 15 01 26 04 43 05 12 05 57 21 08 00 54 05 37 8.5 3.3 38 1909-2026 SAT OCT 16 19 02 19 47 20 16 02 11 04 41 05 11 05 56 21 13 00 58 05 39 8.4 2.5 29 2000-1930 SUN OCT 17 19 02 19 48 20 17 02 54 04 40 05 10 05 55 21 18 01 02 05 42 8.4 1.8 21 2052-1738 MON OCT 18 19 03 19 48 20 18 03 35 04 39 05 08 05 54 21 23 01 06 05 45 8.4 1.1 12 2143-1452 TUE OCT 19 19 04 19 49 20 19 04 15 04 37 05 07 05 53 21 28 01 09 05 47 8.3 0.4 4 2235-1118 WED OCT 20 19 04 19 50 20 20 04 53 04 36 05 06 05 52 21 33 01 13 05 50 8.3 0.0 0 2327-0701 THU OCT 21 19 05 19 51 20 21 16 43 05 31 04 35 05 05 05 51 21 38 01 17 05 53 8.2 0.0 0 0020-0215 FRI OCT 22 19 06 19 52 20 22 17 47 06 11 04 34 05 04 05 50 21 43 01 21 05 56 8.2 0.0 0 0113+0247 SAT OCT 23 19 06 19 52 20 23 18 53 06 53 04 32 05 03 05 49 21 48 01 25 05 58 8.2 0.0 0 0209+0746 SUN OCT 24 19 07 19 53 20 24 20 01 07 39 04 31 05 02 05 47 21 53 01 29 06 01 8.1 0.0 0 0306+1222 MON OCT 25 19 08 19 54 20 24 21 09 04 30 05 00 05 47 21 57 01 33 06 04 8.1 0.8 9 0406+1612 TUE OCT 26 19 09 19 55 20 25 22 16 04 29 04 59 05 46 22 01 01 37 06 07 8.1 1.9 22 0507+1857 WED OCT 27 19 09 19 56 20 26 23 20 04 28 04 58 05 45 22 06 01 41 06 10 8.0 2.9 36 0609+2025 THU OCT 28 19 10 19 57 20 27 00 20 04 26 04 57 05 44 22 11 01 45 06 12 8.0 3.9 48 0711+2031 FRI OCT 29 19 11 19 58 20 28 01 13 04 25 04 56 05 43 22 16 01 49 06 15 7.9 4.7 59 0810+1919 SAT OCT 30 19 12 19 59 20 29 02 01 04 24 04 55 05 42 22 21 01 53 06 18 7.9 5.5 69 0907+1700 SUN OCT 31 19 13 19 59 20 30 02 43 04 23 04 54 05 41 22 26 01 57 06 20 7.9 6.2 78 1002+1349 ONE LINE REFERS TO EVENING DATE LAST QUARTER OCT 02 04:05 UT AND FOLLOWING MORNING. NEW MOON OCT 09 11:35 UT All dates and times are zone CST FIRST QUARTER OCT 17 15:03 UT in upper table (except sid time). FULL MOON OCT 24 21:06 UT LAST QUARTER OCT 31 12:06 UT