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 WED FEB 01 17 37 18 29 19 00 05 36 05 40 06 11 07 03 03 42 08 42 14 23 10.7 0.1 0 0624 2717 31 THU FEB 02 17 38 18 30 19 01 06 23 05 40 06 10 07 02 03 47 08 46 14 27 10.7 0.0 0 0718 2642 21 FRI FEB 03 17 39 18 31 19 02 07 03 05 39 06 10 07 01 03 52 08 50 14 30 10.6 0.0 0 0811 2451 15 SAT FEB 04 17 40 18 32 19 03 16 30 07 36 05 38 06 09 07 00 03 56 08 54 14 33 10.6 0.0 0 0902 2152 16 SUN FEB 05 17 42 18 33 19 03 17 30 08 05 05 37 06 08 06 59 04 00 08 58 14 36 10.6 0.0 0 0950 1756 23 MON FEB 06 17 43 18 34 19 04 18 30 08 31 05 37 06 07 06 58 04 05 09 02 14 40 10.5 0.0 0 1037 1314 32 TUE FEB 07 17 44 18 35 19 05 19 30 08 54 05 36 06 06 06 57 04 10 09 06 14 43 10.5 0.4 3 1121 0800 42 WED FEB 08 17 45 18 36 19 06 20 29 05 35 06 05 06 56 04 15 09 10 14 46 10.5 1.4 13 1205 0224 53 THU FEB 09 17 46 18 37 19 07 21 29 05 34 06 04 06 55 04 20 09 14 14 49 10.4 2.4 22 1250-0322 64 FRI FEB 10 17 47 18 38 19 08 22 30 05 33 06 03 06 54 04 25 09 18 14 52 10.4 3.4 32 1335-0901 76 SAT FEB 11 17 48 18 39 19 09 23 33 05 32 06 03 06 53 04 30 09 22 14 55 10.4 4.4 42 1421-1421 87 SUN FEB 12 17 49 18 40 19 10 00 39 05 31 06 02 06 52 04 35 09 26 14 58 10.4 5.5 52 1513-1928 >90 MON FEB 13 17 50 18 41 19 11 01 49 05 30 06 01 06 51 04 40 09 30 15 01 10.3 6.6 64 1608-2336 >90 TUE FEB 14 17 51 18 42 19 12 03 00 05 29 05 59 06 50 04 45 09 34 15 04 10.3 7.8 75 1707-2631 >90 WED FEB 15 17 52 18 43 19 13 04 08 05 28 05 58 06 49 04 50 09 38 15 07 10.2 8.9 86 1811-2752 >90 THU FEB 16 17 53 18 44 19 14 05 09 05 27 05 57 06 48 04 55 09 42 15 09 10.2 9.9 97 1916-2721 >90 FRI FEB 17 17 54 18 45 19 15 06 01 05 26 05 56 06 46 05 00 09 46 15 12 10.2 10.2 100 2021-2455 >90 SAT FEB 18 17 55 18 46 19 16 06 44 16 09 05 25 05 55 06 45 05 05 09 49 15 15 10.2 10.2 100 2123-2048 >90 SUN FEB 19 17 56 18 47 19 17 07 20 17 27 05 24 05 54 06 44 05 10 09 53 15 18 10.1 10.1 100 2222-1522 >90 MON FEB 20 17 57 18 48 19 18 07 51 18 44 05 23 05 53 06 43 05 15 09 57 15 21 10.1 10.1 100 2317-0907 >90 TUE FEB 21 17 58 18 49 19 19 08 18 19 57 05 21 05 52 06 42 05 20 10 01 15 23 10.0 9.4 93 0009-0230 >90 WED FEB 22 17 59 18 49 19 20 08 45 21 08 05 20 05 50 06 40 05 24 10 05 15 26 10.0 8.2 82 0059 0403 >90 THU FEB 23 18 00 18 50 19 21 22 17 05 19 05 49 06 39 05 29 10 09 15 29 10.0 7.0 70 0149 1014 >90 FRI FEB 24 18 01 18 51 19 22 23 25 05 18 05 48 06 38 05 34 10 13 15 32 9.9 5.9 59 0239 1544 >90 SAT FEB 25 18 02 18 52 19 23 00 31 05 16 05 47 06 36 05 39 10 17 15 34 9.9 4.8 48 0330 2012 87 SUN FEB 26 18 03 18 53 19 24 01 36 05 15 05 45 06 35 05 44 10 21 15 37 9.9 3.6 37 0422 2352 76 MON FEB 27 18 04 18 54 19 24 02 37 05 14 05 44 06 34 05 48 10 25 15 40 9.8 2.6 26 0515 2614 65 TUE FEB 28 18 05 18 55 19 25 03 32 05 13 05 43 06 32 05 53 10 29 15 43 9.8 1.7 17 0609 2718 55 ONE LINE REFERS TO EVENING DATE FULL MOON Feb 05 18:31 UT AND FOLLOWING MORNING. LAST QUARTER Feb 13 16:03 UT All dates and times are zone PST NEW MOON Feb 20 07:05 UT in upper table (except sid time). FIRST QUARTER Feb 27 08:06 UT