LICK OBSERVATORY CALENDAR FOR 2020 -ASTRONOMICAL (computed for altitude 1283.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(PST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2020 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg TUE SEP 01 18 42 19 34 20 06 18 41 06 02 04 07 04 40 05 31 18 47 22 41 02 49 8.0 0.0 0 2300-1227 50 WED SEP 02 18 41 19 32 20 05 19 10 07 00 04 08 04 41 05 32 18 49 22 45 02 54 8.0 0.0 0 2346-0745 47 THU SEP 03 18 39 19 30 20 03 19 36 07 57 04 09 04 41 05 33 18 51 22 49 02 59 8.1 0.0 0 0031-0250 47 FRI SEP 04 18 38 19 29 20 01 20 01 08 54 04 10 04 42 05 34 18 53 22 53 03 04 8.2 0.0 0 0114 0207 48 SAT SEP 05 18 36 19 27 19 59 20 26 04 11 04 43 05 34 18 55 22 57 03 09 8.2 0.4 5 0158 0656 51 SUN SEP 06 18 35 19 26 19 58 20 52 04 12 04 44 05 35 18 58 23 01 03 14 8.2 0.9 10 0243 1128 56 MON SEP 07 18 33 19 24 19 56 21 21 04 13 04 45 05 36 19 00 23 05 03 18 8.3 1.4 17 0329 1532 62 TUE SEP 08 18 32 19 22 19 54 21 53 04 14 04 46 05 37 19 02 23 09 03 23 8.3 2.0 23 0418 1858 69 WED SEP 09 18 30 19 21 19 53 22 31 04 15 04 47 05 38 19 05 23 13 03 28 8.4 2.6 31 0509 2135 76 THU SEP 10 18 29 19 19 19 51 23 15 04 16 04 48 05 39 19 07 23 17 03 33 8.4 3.4 40 0602 2309 85 FRI SEP 11 18 27 19 17 19 49 00 07 04 17 04 49 05 39 19 09 23 21 03 38 8.5 4.3 50 0658 2341 >90 SAT SEP 12 18 25 19 16 19 47 01 06 04 18 04 50 05 40 19 11 23 25 03 43 8.5 5.3 62 0756 2248 >90 SUN SEP 13 18 24 19 14 19 46 02 13 16 25 04 19 04 51 05 41 19 14 23 28 03 48 8.6 6.5 75 0853 2032 >90 MON SEP 14 18 22 19 13 19 44 03 24 17 08 04 20 04 52 05 42 19 16 23 32 03 53 8.6 7.7 89 0951 1657 >90 TUE SEP 15 18 21 19 11 19 42 04 37 17 47 04 21 04 53 05 43 19 18 23 36 03 58 8.6 8.6 100 1047 1214 >90 WED SEP 16 18 19 19 09 19 41 05 51 18 23 04 22 04 53 05 44 19 21 23 40 04 03 8.7 8.7 100 1143 0640 >90 THU SEP 17 18 18 19 08 19 39 07 05 18 56 04 23 04 54 05 44 19 23 23 44 04 08 8.7 8.7 100 1237 0038 >90 FRI SEP 18 18 16 19 06 19 37 08 18 19 29 04 24 04 55 05 45 19 24 23 48 04 13 8.8 8.8 100 1332-0530 >90 SAT SEP 19 18 15 19 05 19 36 20 03 04 25 04 56 05 46 19 27 23 52 04 18 8.8 8.4 94 1427-1119 >90 SUN SEP 20 18 13 19 03 19 34 20 39 04 26 04 57 05 47 19 29 23 56 04 23 8.9 7.8 87 1523-1626 >90 MON SEP 21 18 12 19 01 19 32 21 20 04 27 04 58 05 48 19 31 00 00 04 28 8.9 7.1 79 1620-2033 >90 TUE SEP 22 18 10 19 00 19 31 22 06 04 28 04 59 05 49 19 34 00 04 04 33 9.0 6.4 71 1719-2324 >90 WED SEP 23 18 09 18 58 19 29 22 57 04 29 05 00 05 49 19 36 00 08 04 38 9.0 5.5 61 1818-2451 >90 THU SEP 24 18 07 18 57 19 27 23 53 04 30 05 01 05 50 19 38 00 12 04 43 9.0 4.6 51 1916-2453 >90 FRI SEP 25 18 05 18 55 19 26 00 53 04 31 05 01 05 51 19 41 00 16 04 48 9.1 3.6 39 2013-2330 83 SAT SEP 26 18 04 18 54 19 24 01 54 04 32 05 02 05 52 19 43 00 20 04 52 9.1 2.6 28 2107-2111 74 SUN SEP 27 18 02 18 52 19 23 16 12 02 55 04 33 05 03 05 53 19 46 00 24 04 57 9.2 1.6 17 2158-1746 65 MON SEP 28 18 01 18 50 19 21 16 45 03 55 04 33 05 04 05 54 19 48 00 28 05 01 9.2 0.6 6 2246-1339 56 TUE SEP 29 17 59 18 49 19 19 17 13 04 54 04 34 05 05 05 55 19 50 00 32 05 06 9.2 0.0 0 2333-0902 48 WED SEP 30 17 58 18 47 19 18 17 39 05 51 04 35 05 06 05 55 19 53 00 35 05 11 9.3 0.0 0 0017-0408 42 ONE LINE REFERS TO EVENING DATE FULL MOON Sep 02 05:20 UT AND FOLLOWING MORNING. LAST QUARTER Sep 10 09:26 UT All dates and times are zone PST NEW MOON Sep 17 11:00 UT in upper table (except sid time). FIRST QUARTER Sep 24 01:53 UT