YALO OBSERVATORY CALENDAR FOR 2001 (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 2001 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight SAT DEC 01 19 39 20 30 21 04 21 30 04 00 04 35 05 25 01 05 04 01 08 02 6.9 0.4 6 0633+2410 SUN DEC 02 19 40 20 31 21 05 22 28 04 00 04 34 05 25 01 09 04 05 08 06 6.9 1.4 20 0735+2351 MON DEC 03 19 41 20 32 21 07 23 21 03 59 04 34 05 25 01 15 04 09 08 09 6.9 2.2 32 0835+2201 TUE DEC 04 19 41 20 32 21 08 00 08 03 59 04 34 05 25 01 20 04 13 08 13 6.9 3.0 43 0934+1850 WED DEC 05 19 42 20 33 21 08 00 50 03 59 04 34 05 25 01 24 04 17 08 16 6.9 3.7 54 1030+1433 THU DEC 06 19 43 20 34 21 09 01 28 03 59 04 34 05 25 01 29 04 21 08 20 6.8 4.3 63 1124+0927 FRI DEC 07 19 44 20 35 21 10 02 04 03 59 04 34 05 25 01 34 04 25 08 24 6.8 4.9 71 1217+0352 SAT DEC 08 19 44 20 36 21 11 02 39 03 59 04 34 05 25 01 39 04 29 08 28 6.8 5.5 80 1308-0152 SUN DEC 09 19 45 20 37 21 12 03 14 03 59 04 34 05 26 01 44 04 33 08 32 6.8 6.0 88 1359-0730 MON DEC 10 19 46 20 38 21 13 03 51 16 46 03 59 04 34 05 26 01 49 04 37 08 36 6.8 6.6 98 1451-1242 TUE DEC 11 19 47 20 38 21 14 04 31 17 50 03 59 04 34 05 26 01 54 04 40 08 40 6.7 6.7 100 1545-1712 WED DEC 12 19 47 20 39 21 15 05 15 18 54 03 59 04 35 05 26 01 59 04 44 08 44 6.7 6.7 100 1640-2044 THU DEC 13 19 48 20 40 21 16 06 04 19 55 03 59 04 35 05 27 02 04 04 48 08 48 6.7 6.7 100 1736-2306 FRI DEC 14 19 49 20 41 21 16 06 57 20 53 03 59 04 35 05 27 02 08 04 52 08 52 6.7 6.7 100 1833-2410 SAT DEC 15 19 49 20 41 21 17 07 52 21 46 04 00 04 35 05 27 02 13 04 56 08 57 6.7 6.2 92 1929-2358 SUN DEC 16 19 50 20 42 21 18 22 33 04 00 04 36 05 27 02 18 05 00 09 01 6.7 5.5 81 2023-2233 MON DEC 17 19 51 20 43 21 18 23 14 04 00 04 36 05 28 02 22 05 04 09 05 6.7 4.8 71 2114-2006 TUE DEC 18 19 51 20 43 21 19 23 50 04 00 04 36 05 28 02 27 05 08 09 09 6.7 4.2 62 2203-1649 WED DEC 19 19 52 20 44 21 20 00 23 04 01 04 37 05 29 02 32 05 12 09 14 6.7 3.6 54 2249-1254 THU DEC 20 19 52 20 44 21 20 00 53 04 01 04 37 05 29 02 35 05 16 09 18 6.7 3.1 46 2334-0830 FRI DEC 21 19 53 20 45 21 21 01 22 04 02 04 38 05 30 02 40 05 20 09 23 6.7 2.7 39 0017-0347 SAT DEC 22 19 53 20 45 21 21 01 51 04 02 04 38 05 30 02 44 05 24 09 26 6.7 2.2 32 0101+0106 SUN DEC 23 19 54 20 46 21 22 02 21 04 03 04 39 05 31 02 49 05 28 09 31 6.7 1.7 25 0146+0602 MON DEC 24 19 54 20 46 21 22 02 54 04 03 04 39 05 31 02 53 05 32 09 35 6.7 1.2 17 0232+1050 TUE DEC 25 19 55 20 47 21 23 16 07 03 30 04 04 04 40 05 32 02 58 05 36 09 40 6.7 0.6 8 0321+1519 WED DEC 26 19 55 20 47 21 23 17 07 04 12 04 04 04 40 05 32 03 02 05 40 09 44 6.7 0.0 0 0414+1911 THU DEC 27 19 56 20 48 21 23 18 11 05 00 04 05 04 41 05 33 03 06 05 44 09 49 6.7 0.0 0 0510+2209 FRI DEC 28 19 56 20 48 21 24 19 14 05 56 04 06 04 42 05 33 03 11 05 47 09 54 6.7 0.0 0 0611+2353 SAT DEC 29 19 56 20 48 21 24 20 16 06 59 04 07 04 42 05 34 03 15 05 51 09 59 6.7 0.0 0 0713+2408 SUN DEC 30 19 57 20 48 21 24 21 13 04 07 04 43 05 35 03 19 05 55 10 03 6.7 0.0 0 0816+2246 MON DEC 31 19 57 20 49 21 24 22 04 04 08 04 44 05 35 03 23 05 59 10 08 6.7 0.7 9 0917+1954 ONE LINE REFERS TO EVENING DATE LAST QUARTER DEC 07 19:55 UT AND FOLLOWING MORNING. NEW MOON DEC 14 20:50 UT All dates and times are zone CST FIRST QUARTER DEC 22 21:00 UT in upper table (except sid time). FULL MOON DEC 30 10:43 UT