LICK OBSERVATORY CALENDAR FOR 1999 -ASTRONOMICAL (computed for altitude 1283.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(PST) 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 WED SEP 01 18 44 19 35 20 08 22 26 04 06 04 39 05 30 18 45 22 38 02 44 8.0 2.3 28 0401+1537 THU SEP 02 18 42 19 34 20 06 23 13 04 07 04 40 05 31 18 47 22 41 02 49 8.0 3.1 38 0459+1818 FRI SEP 03 18 41 19 32 20 05 00 04 04 08 04 41 05 32 18 50 22 45 02 54 8.0 4.0 49 0559+1952 SAT SEP 04 18 39 19 30 20 03 01 01 04 09 04 41 05 33 18 52 22 49 02 59 8.1 5.0 61 0659+2011 SUN SEP 05 18 38 19 29 20 01 02 03 04 10 04 42 05 34 18 54 22 53 03 04 8.2 6.0 74 0759+1915 MON SEP 06 18 36 19 27 19 59 03 07 16 48 04 11 04 43 05 34 18 56 22 57 03 09 8.2 7.1 86 0856+1709 TUE SEP 07 18 35 19 26 19 58 04 12 17 32 04 12 04 44 05 35 18 59 23 01 03 14 8.2 8.2 100 0952+1405 WED SEP 08 18 33 19 24 19 56 05 16 18 11 04 13 04 45 05 36 19 00 23 05 03 19 8.3 8.3 100 1045+1019 THU SEP 09 18 32 19 22 19 54 06 19 18 46 04 14 04 46 05 37 19 02 23 09 03 24 8.3 8.3 100 1136+0606 FRI SEP 10 18 30 19 21 19 53 07 19 19 19 04 15 04 47 05 38 19 05 23 13 03 29 8.4 8.4 100 1225+0141 SAT SEP 11 18 29 19 19 19 51 19 50 04 16 04 48 05 39 19 07 23 17 03 34 8.4 8.4 100 1313-0241 SUN SEP 12 18 27 19 17 19 49 20 21 04 17 04 49 05 39 19 09 23 21 03 39 8.5 7.9 93 1400-0653 MON SEP 13 18 25 19 16 19 47 20 52 04 18 04 50 05 40 19 11 23 25 03 44 8.5 7.4 87 1447-1043 TUE SEP 14 18 24 19 14 19 46 21 25 04 19 04 51 05 41 19 14 23 29 03 49 8.6 6.9 80 1534-1403 WED SEP 15 18 22 19 13 19 44 22 01 04 20 04 52 05 42 19 16 23 33 03 53 8.6 6.3 73 1622-1647 THU SEP 16 18 21 19 11 19 42 22 40 04 21 04 53 05 43 19 18 23 37 03 58 8.6 5.7 65 1711-1848 FRI SEP 17 18 19 19 09 19 41 23 23 04 22 04 53 05 44 19 21 23 41 04 03 8.7 5.0 57 1801-2000 SAT SEP 18 18 18 19 08 19 39 00 10 04 23 04 54 05 44 19 23 23 45 04 08 8.7 4.2 48 1852-2018 SUN SEP 19 18 16 19 06 19 37 01 02 04 24 04 55 05 45 19 25 23 49 04 13 8.8 3.4 38 1944-1940 MON SEP 20 18 15 19 05 19 36 01 59 04 25 04 56 05 46 19 28 23 52 04 18 8.8 2.4 27 2036-1804 TUE SEP 21 18 13 19 03 19 34 16 03 02 58 04 26 04 57 05 47 19 30 23 56 04 23 8.9 1.5 16 2129-1532 WED SEP 22 18 12 19 01 19 32 16 42 04 01 04 27 04 58 05 48 19 32 00 00 04 28 8.9 0.4 4 2221-1208 THU SEP 23 18 10 19 00 19 31 17 19 05 05 04 28 04 59 05 49 19 35 00 04 04 33 9.0 0.0 0 2314-0802 FRI SEP 24 18 09 18 58 19 29 17 55 06 11 04 29 05 00 05 49 19 36 00 08 04 38 9.0 0.0 0 0007-0323 SAT SEP 25 18 07 18 57 19 27 18 30 07 19 04 30 05 01 05 50 19 38 00 12 04 43 9.0 0.0 0 0100+0131 SUN SEP 26 18 05 18 55 19 26 19 06 04 31 05 01 05 51 19 41 00 16 04 48 9.1 0.0 0 0154+0626 MON SEP 27 18 04 18 54 19 24 19 43 04 32 05 02 05 52 19 43 00 20 04 53 9.1 0.3 3 0250+1100 TUE SEP 28 18 02 18 52 19 23 20 24 04 33 05 03 05 53 19 46 00 24 04 58 9.2 1.0 11 0347+1456 WED SEP 29 18 01 18 50 19 21 21 10 04 33 05 04 05 54 19 48 00 28 05 02 9.2 1.8 19 0446+1756 THU SEP 30 17 59 18 49 19 19 22 00 04 34 05 05 05 55 19 50 00 32 05 07 9.2 2.7 29 0546+1948 ONE LINE REFERS TO EVENING DATE LAST QUARTER SEP 02 22:21 UT AND FOLLOWING MORNING. NEW MOON SEP 09 22:04 UT All dates and times are zone PST FIRST QUARTER SEP 17 20:09 UT in upper table (except sid time). FULL MOON SEP 25 10:52 UT