LICK OBSERVATORY CALENDAR FOR 2023 -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 2023 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 DEC 01 16 57 17 50 18 22 20 39 05 30 06 01 06 55 22 58 04 37 10 08 11.1 2.3 20 0851 2237 56 SAT DEC 02 16 57 17 50 18 22 21 41 05 31 06 02 06 56 23 02 04 41 10 13 11.1 3.3 29 0939 1837 67 SUN DEC 03 16 56 17 50 18 22 22 41 05 31 06 03 06 57 23 06 04 45 10 17 11.1 4.3 38 1025 1355 78 MON DEC 04 16 56 17 50 18 22 23 40 05 32 06 04 06 57 23 10 04 49 10 22 11.2 5.3 47 1108 0835 89 TUE DEC 05 16 56 17 50 18 22 00 38 05 33 06 04 06 58 23 14 04 53 10 27 11.2 6.3 56 1151 0320 >90 WED DEC 06 16 56 17 50 18 22 01 36 05 34 06 05 06 59 23 18 04 57 10 32 11.2 7.2 64 1233-0218 >90 THU DEC 07 16 56 17 50 18 22 02 36 05 34 06 06 07 00 23 22 05 01 10 36 11.2 8.2 73 1316-0757 >90 FRI DEC 08 16 56 17 50 18 22 03 38 05 35 06 07 07 01 23 26 05 05 10 41 11.2 9.3 82 1402-1325 >90 SAT DEC 09 16 56 17 50 18 22 04 43 05 36 06 08 07 02 23 30 05 09 10 46 11.2 10.3 92 1450-1829 >90 SUN DEC 10 16 56 17 50 18 22 05 51 05 37 06 08 07 02 23 34 05 13 10 50 11.2 11.2 100 1542-2250 >90 MON DEC 11 16 57 17 51 18 22 07 01 05 37 06 09 07 03 23 38 05 16 10 54 11.2 11.2 100 1639-2608 >90 TUE DEC 12 16 57 17 51 18 23 08 08 16 35 05 38 06 10 07 04 23 43 05 20 10 59 11.2 11.2 100 1740-2800 >90 WED DEC 13 16 57 17 51 18 23 17 34 05 39 06 10 07 05 23 46 05 24 11 04 11.3 11.3 100 1843-2809 >90 THU DEC 14 16 57 17 51 18 23 18 42 05 39 06 11 07 05 23 50 05 28 11 08 11.3 10.9 97 1946-2631 >90 FRI DEC 15 16 57 17 52 18 23 19 56 05 40 06 12 07 06 23 54 05 32 11 13 11.3 9.7 86 2046-2311 >90 SAT DEC 16 16 58 17 52 18 24 21 11 05 41 06 12 07 07 23 59 05 36 11 18 11.3 8.5 75 2144-1829 >90 SUN DEC 17 16 58 17 52 18 24 22 24 05 41 06 13 07 07 00 03 05 40 11 22 11.3 7.3 64 2238-1246 >90 MON DEC 18 16 58 17 53 18 25 23 35 05 42 06 14 07 08 00 08 05 44 11 27 11.3 6.1 54 2329-0626 >90 TUE DEC 19 16 59 17 53 18 25 00 44 05 42 06 14 07 09 00 12 05 48 11 31 11.3 5.0 44 0019 0005 84 WED DEC 20 16 59 17 54 18 25 01 52 05 43 06 15 07 09 00 16 05 52 11 36 11.3 3.9 34 0109 0640 71 THU DEC 21 17 00 17 54 18 26 03 02 05 43 06 15 07 10 00 21 05 56 11 40 11.3 2.7 23 0159 1251 58 FRI DEC 22 17 00 17 55 18 26 04 12 05 44 06 16 07 10 00 25 06 00 11 45 11.3 1.5 13 0251 1820 45 SAT DEC 23 17 01 17 55 18 27 05 21 05 44 06 16 07 11 00 30 06 04 11 49 11.3 0.4 3 0346 2249 33 SUN DEC 24 17 01 17 56 18 27 06 29 05 45 06 17 07 11 00 34 06 08 11 54 11.3 0.0 0 0443 2601 21 MON DEC 25 17 02 17 56 18 28 07 31 05 45 06 17 07 11 00 39 06 12 11 58 11.3 0.0 0 0542 2743 11 TUE DEC 26 17 02 17 57 18 29 16 23 08 25 05 46 06 17 07 12 00 44 06 16 12 03 11.3 0.0 0 0641 2751 11 WED DEC 27 17 03 17 57 18 29 17 23 05 46 06 18 07 12 00 48 06 20 12 07 11.3 0.0 0 0738 2628 20 THU DEC 28 17 04 17 58 18 30 18 25 05 46 06 18 07 12 00 53 06 24 12 10 11.3 0.0 0 0832 2346 31 FRI DEC 29 17 04 17 59 18 30 19 28 05 47 06 18 07 13 00 57 06 27 12 15 11.3 1.0 8 0922 2000 42 SAT DEC 30 17 05 17 59 18 31 20 29 05 47 06 19 07 13 01 01 06 31 12 19 11.3 2.0 17 1009 1528 53 SUN DEC 31 17 06 18 00 18 32 21 29 05 47 06 19 07 13 01 06 06 35 12 23 11.3 3.0 26 1054 1023 64 ONE LINE REFERS TO EVENING DATE LAST QUARTER Dec 05 05:50 UT AND FOLLOWING MORNING. NEW MOON Dec 12 23:31 UT All dates and times are zone PST FIRST QUARTER Dec 19 18:39 UT in upper table (except sid time). FULL MOON Dec 27 00:33 UT