LICK OBSERVATORY CALENDAR FOR 2021 -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 2021 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 SUN AUG 01 19 22 20 19 20 57 00 03 03 29 04 07 05 04 17 34 20 38 00 08 6.5 3.1 47 0353 1838 >90 MON AUG 02 19 21 20 18 20 56 00 38 03 30 04 08 05 05 17 37 20 42 00 12 6.6 3.7 56 0442 2142 >90 TUE AUG 03 19 20 20 17 20 55 01 18 03 31 04 09 05 05 17 40 20 46 00 17 6.6 4.4 66 0533 2349 >90 WED AUG 04 19 19 20 16 20 53 02 05 16 51 03 33 04 10 05 06 17 42 20 50 00 23 6.7 5.2 77 0626 2450 >90 THU AUG 05 19 18 20 14 20 52 02 59 17 44 03 34 04 11 05 07 17 45 20 54 00 28 6.7 6.1 91 0720 2437 >90 FRI AUG 06 19 17 20 13 20 50 03 59 18 32 03 35 04 12 05 08 17 47 20 58 00 33 6.7 6.7 100 0814 2309 >90 SAT AUG 07 19 16 20 12 20 49 05 03 19 14 03 36 04 13 05 09 17 50 21 02 00 38 6.8 6.8 100 0908 2028 >90 SUN AUG 08 19 15 20 11 20 47 06 09 19 51 03 38 04 14 05 10 17 52 21 06 00 44 6.9 6.9 100 1000 1640 >90 MON AUG 09 19 14 20 09 20 46 07 16 20 23 03 39 04 15 05 11 17 55 21 10 00 49 6.9 6.9 100 1051 1157 >90 TUE AUG 10 19 13 20 08 20 44 08 23 20 53 03 40 04 16 05 11 17 57 21 13 00 54 6.9 6.8 97 1140 0634 >90 WED AUG 11 19 12 20 07 20 43 21 21 03 41 04 17 05 12 18 00 21 17 00 59 7.0 6.3 90 1230 0046 >90 THU AUG 12 19 10 20 05 20 41 21 49 03 42 04 18 05 13 18 02 21 21 01 04 7.0 5.9 83 1319-0511 >90 FRI AUG 13 19 09 20 04 20 40 22 19 03 44 04 19 05 14 18 05 21 25 01 10 7.1 5.4 76 1410-1100 >90 SAT AUG 14 19 08 20 02 20 38 22 52 03 45 04 20 05 15 18 07 21 29 01 15 7.1 4.9 68 1504-1620 >90 SUN AUG 15 19 07 20 01 20 36 23 30 03 46 04 22 05 16 18 09 21 33 01 20 7.2 4.3 59 1600-2053 >90 MON AUG 16 19 06 20 00 20 35 00 15 03 47 04 23 05 17 18 12 21 37 01 25 7.2 3.5 49 1702-2356 90 TUE AUG 17 19 04 19 58 20 33 01 08 03 49 04 24 05 17 18 13 21 41 01 31 7.3 2.7 36 1803-2605 82 WED AUG 18 19 03 19 57 20 32 16 24 02 10 03 50 04 25 05 18 18 16 21 45 01 36 7.3 1.7 22 1906-2627 74 THU AUG 19 19 02 19 55 20 30 17 20 03 17 03 51 04 26 05 19 18 18 21 49 01 41 7.3 0.6 7 2009-2458 67 FRI AUG 20 19 00 19 54 20 28 18 08 04 27 03 52 04 27 05 20 18 20 21 53 01 46 7.4 0.0 0 2109-2200 60 SAT AUG 21 18 59 19 52 20 27 18 48 05 36 03 53 04 28 05 21 18 23 21 57 01 50 7.4 0.0 0 2205-1750 55 SUN AUG 22 18 58 19 51 20 25 19 22 06 42 03 54 04 29 05 22 18 25 22 01 01 55 7.5 0.0 0 2258-1251 52 MON AUG 23 18 56 19 49 20 23 19 51 07 46 03 56 04 30 05 23 18 27 22 05 02 01 7.6 0.0 0 2347-0725 51 TUE AUG 24 18 55 19 48 20 22 20 17 08 47 03 57 04 31 05 23 18 30 22 09 02 06 7.6 0.0 0 0034-0149 52 WED AUG 25 18 54 19 46 20 20 20 42 03 58 04 32 05 24 18 32 22 13 02 11 7.6 0.4 4 0120 0341 54 THU AUG 26 18 52 19 45 20 18 21 07 03 59 04 33 05 25 18 34 22 17 02 16 7.7 0.8 10 0205 0854 59 FRI AUG 27 18 51 19 43 20 17 21 33 04 00 04 34 05 26 18 37 22 20 02 21 7.7 1.3 16 0251 1339 64 SAT AUG 28 18 49 19 41 20 15 22 02 04 01 04 35 05 27 18 39 22 24 02 26 7.8 1.8 22 0337 1746 70 SUN AUG 29 18 48 19 40 20 13 22 34 04 02 04 36 05 28 18 41 22 28 02 31 7.8 2.4 30 0426 2107 77 MON AUG 30 18 46 19 38 20 11 23 12 04 04 04 37 05 29 18 43 22 32 02 37 7.9 3.0 38 0516 2329 84 TUE AUG 31 18 45 19 37 20 10 23 56 04 05 04 38 05 29 18 46 22 36 02 42 7.9 3.8 47 0605 2410 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Aug 08 13:50 UT AND FOLLOWING MORNING. FIRST QUARTER Aug 15 15:19 UT All dates and times are zone PST FULL MOON Aug 22 12:02 UT in upper table (except sid time). LAST QUARTER Aug 30 07:14 UT