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 SAT AUG 01 19 21 20 18 20 56 18 06 04 08 03 30 04 08 05 05 17 34 20 39 00 10 6.6 0.0 0 1946-2418 63 SUN AUG 02 19 20 20 17 20 55 18 54 05 09 03 31 04 09 05 05 17 37 20 43 00 14 6.6 0.0 0 2043-2222 60 MON AUG 03 19 19 20 16 20 53 19 35 06 12 03 33 04 10 05 06 17 39 20 47 00 20 6.7 0.0 0 2137-1922 58 TUE AUG 04 19 18 20 14 20 52 20 10 07 13 03 34 04 11 05 07 17 42 20 51 00 25 6.7 0.0 0 2228-1531 58 WED AUG 05 19 17 20 13 20 50 20 41 08 12 03 35 04 12 05 08 17 44 20 55 00 30 6.7 0.0 0 2315-1107 59 THU AUG 06 19 16 20 12 20 49 21 08 03 36 04 13 05 09 17 47 20 59 00 35 6.8 0.3 4 2401-0622 61 FRI AUG 07 19 15 20 11 20 47 21 33 03 38 04 14 05 10 17 49 21 03 00 41 6.9 0.8 11 0045-0128 64 SAT AUG 08 19 14 20 09 20 46 21 59 03 39 04 15 05 11 17 52 21 07 00 46 6.9 1.2 17 0129 0324 69 SUN AUG 09 19 13 20 08 20 44 22 24 03 40 04 16 05 11 17 54 21 10 00 51 6.9 1.7 24 0213 0805 74 MON AUG 10 19 12 20 07 20 43 22 51 03 41 04 17 05 12 17 57 21 14 00 56 7.0 2.1 30 0258 1227 79 TUE AUG 11 19 10 20 05 20 41 23 22 03 42 04 18 05 13 17 59 21 18 01 01 7.0 2.7 38 0344 1617 85 WED AUG 12 19 09 20 04 20 40 23 56 03 44 04 19 05 14 18 02 21 22 01 07 7.1 3.3 46 0431 1852 >90 THU AUG 13 19 08 20 02 20 38 00 37 03 45 04 20 05 15 18 04 21 26 01 12 7.1 4.0 55 0527 2158 >90 FRI AUG 14 19 07 20 01 20 36 01 26 03 46 04 22 05 16 18 06 21 30 01 17 7.2 4.8 67 0622 2314 >90 SAT AUG 15 19 06 20 00 20 35 02 23 16 54 03 47 04 23 05 17 18 09 21 34 01 22 7.2 5.8 80 0720 2313 >90 SUN AUG 16 19 04 19 58 20 33 03 27 17 47 03 49 04 24 05 17 18 11 21 38 01 28 7.3 6.9 94 0818 2149 >90 MON AUG 17 19 03 19 57 20 32 04 36 18 35 03 50 04 25 05 18 18 13 21 42 01 33 7.3 7.3 100 0917 1901 >90 TUE AUG 18 19 02 19 55 20 30 05 49 19 16 03 51 04 26 05 19 18 15 21 46 01 38 7.3 7.3 100 1014 1459 >90 WED AUG 19 19 00 19 54 20 28 07 01 19 53 03 52 04 27 05 20 18 17 21 50 01 43 7.4 7.4 100 1109 0959 >90 THU AUG 20 18 59 19 52 20 27 08 13 20 27 03 53 04 28 05 21 18 20 21 54 01 47 7.4 7.4 100 1204 0420 >90 FRI AUG 21 18 58 19 51 20 25 20 59 03 54 04 29 05 22 18 22 21 58 01 52 7.5 6.9 92 1257-0136 >90 SAT AUG 22 18 56 19 49 20 23 21 32 03 56 04 30 05 23 18 24 22 02 01 58 7.6 6.4 84 1350-0728 >90 SUN AUG 23 18 55 19 48 20 22 22 05 03 57 04 31 05 23 18 27 22 06 02 03 7.6 5.9 77 1444-1254 >90 MON AUG 24 18 54 19 46 20 20 22 42 03 58 04 32 05 24 18 29 22 10 02 08 7.6 5.3 68 1539-1736 >90 TUE AUG 25 18 52 19 45 20 18 23 23 03 59 04 33 05 25 18 31 22 14 02 13 7.7 4.6 59 1636-2118 >90 WED AUG 26 18 51 19 43 20 17 00 10 04 00 04 34 05 26 18 34 22 17 02 18 7.7 3.8 49 1736-2319 90 THU AUG 27 18 49 19 41 20 15 01 02 04 01 04 35 05 27 18 36 22 21 02 23 7.8 3.0 38 1832-2448 82 FRI AUG 28 18 48 19 40 20 13 16 02 02 00 04 02 04 36 05 28 18 38 22 25 02 28 7.8 2.0 26 1930-2439 74 SAT AUG 29 18 46 19 38 20 11 16 51 03 00 04 04 04 37 05 29 18 40 22 29 02 34 7.9 1.1 13 2027-2303 67 SUN AUG 30 18 45 19 37 20 10 17 34 04 02 04 05 04 38 05 29 18 43 22 33 02 39 7.9 0.1 0 2120-2020 60 MON AUG 31 18 44 19 35 20 08 18 10 05 03 04 06 04 39 05 30 18 45 22 37 02 44 8.0 0.0 0 2211-1643 54 ONE LINE REFERS TO EVENING DATE FULL MOON Aug 03 15:58 UT AND FOLLOWING MORNING. LAST QUARTER Aug 11 16:44 UT All dates and times are zone PST NEW MOON Aug 19 02:39 UT in upper table (except sid time). FIRST QUARTER Aug 25 17:57 UT