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 FRI OCT 01 17 58 18 47 19 18 01 34 04 35 05 06 05 55 19 56 00 38 05 14 9.3 6.3 67 0924 1951 >90 SAT OCT 02 17 56 18 46 19 16 02 41 16 20 04 36 05 07 05 56 19 58 00 42 05 19 9.3 7.4 79 1016 1539 >90 SUN OCT 03 17 55 18 44 19 15 03 49 16 52 04 37 05 08 05 57 20 01 00 46 05 24 9.4 8.6 91 1107 1033 >90 MON OCT 04 17 53 18 43 19 13 04 58 17 21 04 38 05 08 05 58 20 03 00 50 05 29 9.4 9.4 100 1158 0446 >90 TUE OCT 05 17 52 18 41 19 12 06 08 17 50 04 39 05 09 05 59 20 05 00 54 05 34 9.4 9.4 100 1249-0125 >90 WED OCT 06 17 50 18 40 19 10 07 20 18 20 04 40 05 10 06 00 20 07 00 58 05 39 9.5 9.5 100 1341-0740 >90 THU OCT 07 17 49 18 39 19 09 08 34 18 51 04 41 05 11 06 01 20 10 01 02 05 44 9.5 9.5 100 1435-1337 >90 FRI OCT 08 17 48 18 37 19 07 19 27 04 42 05 12 06 02 20 12 01 06 05 49 9.6 9.2 96 1531-1850 >90 SAT OCT 09 17 46 18 36 19 06 20 08 04 42 05 13 06 02 20 15 01 10 05 53 9.6 8.6 89 1631-2257 >90 SUN OCT 10 17 45 18 34 19 04 20 57 04 43 05 14 06 03 20 17 01 14 05 58 9.6 7.8 80 1733-2538 >90 MON OCT 11 17 43 18 33 19 03 21 54 04 44 05 15 06 04 20 20 01 18 06 03 9.7 6.8 70 1835-2639 >90 TUE OCT 12 17 42 18 31 19 02 22 58 04 45 05 15 06 05 20 23 01 22 06 08 9.7 5.8 59 1937-2600 >90 WED OCT 13 17 40 18 30 19 00 00 05 04 46 05 16 06 06 20 25 01 26 06 13 9.8 4.7 47 2040-2310 >90 THU OCT 14 17 39 18 29 18 59 01 12 04 47 05 17 06 07 20 28 01 30 06 18 9.8 3.6 36 2133-2016 80 FRI OCT 15 17 38 18 27 18 58 02 18 04 48 05 18 06 08 20 31 01 34 06 22 9.8 2.5 25 2226-1555 69 SAT OCT 16 17 36 18 26 18 56 03 22 04 49 05 19 06 09 20 33 01 38 06 27 9.9 1.4 14 2315-1049 59 SUN OCT 17 17 35 18 25 18 55 16 22 04 24 04 50 05 20 06 10 20 36 01 42 06 32 9.9 0.4 4 0002-0520 49 MON OCT 18 17 34 18 23 18 54 16 47 05 24 04 51 05 21 06 11 20 39 01 45 06 37 10.0 0.0 0 0048 0016 39 TUE OCT 19 17 32 18 22 18 52 17 11 06 24 04 51 05 22 06 12 20 41 01 49 06 41 10.0 0.0 0 0133 0546 32 WED OCT 20 17 31 18 21 18 51 17 36 07 24 04 52 05 23 06 13 20 44 01 53 06 46 10.0 0.0 0 0218 1058 27 THU OCT 21 17 30 18 20 18 50 18 02 08 24 04 53 05 23 06 14 20 46 01 57 06 51 10.0 0.0 0 0305 1539 26 FRI OCT 22 17 28 18 18 18 49 18 31 04 54 05 24 06 15 20 49 02 01 06 56 10.1 0.0 0 0353 1940 30 SAT OCT 23 17 27 18 17 18 47 19 05 04 55 05 25 06 15 20 51 02 05 07 01 10.1 0.3 2 0443 2248 37 SUN OCT 24 17 26 18 16 18 46 19 43 04 56 05 26 06 16 20 54 02 09 07 06 10.2 1.0 9 0534 2454 45 MON OCT 25 17 25 18 15 18 45 20 28 04 57 05 27 06 17 20 57 02 13 07 11 10.2 1.7 16 0627 2551 54 TUE OCT 26 17 23 18 14 18 44 21 19 04 58 05 28 06 18 21 00 02 17 07 16 10.2 2.6 25 0720 2534 64 WED OCT 27 17 22 18 13 18 43 22 16 04 59 05 29 06 19 21 03 02 21 07 21 10.3 3.5 34 0813 2403 74 THU OCT 28 17 21 18 12 18 42 23 17 04 59 05 30 06 20 21 06 02 25 07 25 10.3 4.6 44 0906 2118 85 FRI OCT 29 17 20 18 10 18 41 00 21 05 00 05 31 06 21 21 09 02 29 07 30 10.3 5.7 54 0957 1738 >90 SAT OCT 30 17 19 18 09 18 40 01 27 05 01 05 32 06 22 21 12 02 33 07 35 10.4 6.8 65 1048 1255 >90 SUN OCT 31 17 18 18 08 18 39 02 34 05 02 05 33 06 23 21 15 02 37 07 40 10.4 7.9 76 1138 0726 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Oct 06 11:04 UT AND FOLLOWING MORNING. FIRST QUARTER Oct 13 03:25 UT All dates and times are zone PST FULL MOON Oct 20 14:56 UT in upper table (except sid time). LAST QUARTER Oct 28 20:07 UT