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 SAT MAY 01 18 17 19 02 19 30 19 45 05 51 06 19 07 04 09 25 13 55 19 47 10.3 0.2 2 1628-1701 SUN MAY 02 18 16 19 01 19 29 20 26 05 52 06 20 07 05 09 27 13 59 19 52 10.4 0.9 9 1717-1849 MON MAY 03 18 15 19 00 19 28 21 12 05 52 06 20 07 05 09 30 14 03 19 56 10.4 1.7 16 1808-1949 TUE MAY 04 18 15 19 00 19 28 22 00 05 53 06 21 07 06 09 34 14 07 20 01 10.4 2.5 24 1859-1956 WED MAY 05 18 14 18 59 19 27 22 52 05 53 06 21 07 07 09 37 14 11 20 05 10.4 3.4 32 1950-1906 THU MAY 06 18 13 18 58 19 26 23 47 05 54 06 22 07 07 09 40 14 15 20 10 10.5 4.4 41 2042-1722 FRI MAY 07 18 12 18 57 19 26 00 45 05 54 06 22 07 08 09 44 14 19 20 14 10.5 5.3 50 2134-1445 SAT MAY 08 18 11 18 57 19 25 01 44 05 55 06 23 07 08 09 47 14 23 20 19 10.5 6.3 60 2226-1118 SUN MAY 09 18 11 18 56 19 24 02 46 05 55 06 24 07 09 09 50 14 27 20 23 10.5 7.4 70 2319-0711 MON MAY 10 18 10 18 55 19 24 03 50 05 56 06 24 07 10 09 54 14 31 20 28 10.5 8.4 80 0012-0231 TUE MAY 11 18 09 18 55 19 23 04 55 16 29 05 56 06 25 07 10 09 57 14 35 20 32 10.6 9.5 90 0106+0226 WED MAY 12 18 09 18 54 19 23 06 03 17 11 05 57 06 25 07 11 10 01 14 39 20 37 10.6 10.6 100 0203+0723 THU MAY 13 18 08 18 54 19 22 07 12 17 56 05 57 06 26 07 12 10 04 14 43 20 41 10.6 10.6 100 0302+1158 FRI MAY 14 18 07 18 53 19 22 18 45 05 58 06 26 07 12 10 08 14 47 20 46 10.6 10.6 100 0402+1547 SAT MAY 15 18 07 18 53 19 21 19 38 05 58 06 27 07 13 10 11 14 50 20 49 10.6 10.3 97 0505+1830 SUN MAY 16 18 06 18 52 19 21 20 36 05 59 06 27 07 13 10 15 14 54 20 54 10.6 9.4 88 0608+1954 MON MAY 17 18 06 18 51 19 20 21 37 05 59 06 28 07 14 10 18 14 58 20 58 10.6 8.4 78 0710+1955 TUE MAY 18 18 05 18 51 19 20 22 39 06 00 06 28 07 15 10 22 15 02 21 03 10.7 7.4 68 0810+1839 WED MAY 19 18 04 18 51 19 19 23 40 06 00 06 29 07 15 10 24 15 06 21 07 10.7 6.3 59 0907+1620 THU MAY 20 18 04 18 50 19 19 00 39 06 01 06 30 07 16 10 28 15 10 21 12 10.7 5.4 50 1000+1313 FRI MAY 21 18 03 18 50 19 18 01 36 06 01 06 30 07 16 10 31 15 14 21 16 10.7 4.4 41 1051+0933 SAT MAY 22 18 03 18 49 19 18 02 31 06 02 06 31 07 17 10 35 15 18 21 21 10.7 3.5 32 1139+0532 SUN MAY 23 18 03 18 49 19 18 03 25 06 02 06 31 07 18 10 39 15 22 21 25 10.7 2.6 24 1225+0123 MON MAY 24 18 02 18 49 19 17 04 18 06 03 06 32 07 18 10 42 15 26 21 30 10.8 1.8 16 1311-0246 TUE MAY 25 18 02 18 48 19 17 05 11 06 03 06 32 07 19 10 46 15 30 21 34 10.8 0.9 8 1356-0645 WED MAY 26 18 01 18 48 19 17 16 32 06 03 06 04 06 33 07 19 10 50 15 34 21 39 10.8 0.0 0 1442-1028 THU MAY 27 18 01 18 48 19 17 17 07 06 56 06 04 06 33 07 20 10 54 15 38 21 43 10.8 0.0 0 1528-1345 FRI MAY 28 18 01 18 47 19 16 17 44 07 48 06 05 06 34 07 20 10 57 15 42 21 48 10.8 0.0 0 1616-1629 SAT MAY 29 18 00 18 47 19 16 18 25 06 05 06 34 07 21 11 01 15 46 21 52 10.8 0.0 0 1705-1832 SUN MAY 30 18 00 18 47 19 16 19 09 06 06 06 35 07 21 11 05 15 50 21 57 10.8 0.0 0 1755-1947 MON MAY 31 18 00 18 47 19 16 19 56 06 06 06 35 07 22 11 09 15 54 22 01 10.8 0.7 6 1846-2010 ONE LINE REFERS TO EVENING DATE LAST QUARTER MAY 08 17:33 UT AND FOLLOWING MORNING. NEW MOON MAY 15 12:07 UT All dates and times are zone CST FIRST QUARTER MAY 22 05:36 UT in upper table (except sid time). FULL MOON MAY 30 06:44 UT