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 SEP 01 18 44 19 35 20 08 19 45 08 47 04 06 04 39 05 30 18 46 22 38 02 45 8.0 0.0 0 0046 0246 45 SAT SEP 02 18 42 19 34 20 06 20 12 04 07 04 40 05 31 18 48 22 42 02 50 8.0 0.1 1 0138 0930 48 SUN SEP 03 18 41 19 32 20 05 20 41 04 08 04 41 05 32 18 51 22 46 02 55 8.0 0.6 7 0231 1530 54 MON SEP 04 18 39 19 30 20 03 21 12 04 09 04 41 05 33 18 52 22 50 03 00 8.1 1.2 14 0324 2029 61 TUE SEP 05 18 38 19 29 20 01 21 48 04 10 04 42 05 34 18 54 22 54 03 05 8.2 1.8 21 0419 2413 69 WED SEP 06 18 36 19 27 19 59 22 30 04 11 04 43 05 34 18 56 22 58 03 10 8.2 2.5 30 0514 2634 77 THU SEP 07 18 35 19 26 19 58 23 19 04 12 04 44 05 35 18 59 23 02 03 15 8.2 3.4 40 0610 2725 86 FRI SEP 08 18 33 19 24 19 56 00 14 04 13 04 45 05 36 19 01 23 06 03 20 8.3 4.3 51 0705 2705 >90 SAT SEP 09 18 32 19 22 19 54 01 12 16 07 04 14 04 46 05 37 19 03 23 10 03 25 8.3 5.3 63 0758 2520 >90 SUN SEP 10 18 30 19 21 19 53 02 13 16 45 04 15 04 47 05 38 19 06 23 14 03 29 8.4 6.3 75 0848 2229 >90 MON SEP 11 18 29 19 19 19 51 03 14 17 17 04 16 04 48 05 39 19 08 23 18 03 34 8.4 7.4 87 0935 1842 >90 TUE SEP 12 18 27 19 17 19 49 04 14 17 45 04 17 04 49 05 39 19 10 23 22 03 39 8.5 8.4 99 1020 1411 >90 WED SEP 13 18 25 19 16 19 47 05 13 18 09 04 18 04 50 05 40 19 12 23 26 03 44 8.5 8.5 100 1104 0908 >90 THU SEP 14 18 24 19 14 19 46 06 11 18 31 04 19 04 51 05 41 19 15 23 30 03 49 8.6 8.6 100 1146 0343 >90 FRI SEP 15 18 22 19 13 19 44 07 10 18 52 04 20 04 52 05 42 19 17 23 33 03 54 8.6 8.6 100 1228-0154 >90 SAT SEP 16 18 21 19 11 19 42 08 09 19 14 04 21 04 53 05 43 19 19 23 37 03 59 8.6 8.6 100 1311-0732 >90 SUN SEP 17 18 19 19 09 19 41 19 38 04 22 04 53 05 44 19 22 23 41 04 04 8.7 8.7 100 1355-1259 >90 MON SEP 18 18 18 19 08 19 39 20 04 04 23 04 54 05 44 19 24 23 45 04 09 8.7 8.3 95 1442-1803 >90 TUE SEP 19 18 16 19 06 19 37 20 35 04 24 04 55 05 45 19 26 23 49 04 14 8.8 7.8 88 1532-2228 >90 WED SEP 20 18 15 19 05 19 36 21 13 04 25 04 56 05 46 19 28 23 53 04 19 8.8 7.2 81 1627-2557 >90 THU SEP 21 18 13 19 03 19 34 21 59 04 26 04 57 05 47 19 30 23 57 04 24 8.9 6.4 72 1725-2809 >90 FRI SEP 22 18 12 19 01 19 32 22 57 04 27 04 58 05 48 19 32 00 01 04 29 8.9 5.5 61 1827-2847 >90 SAT SEP 23 18 10 19 00 19 31 00 04 04 28 04 59 05 49 19 35 00 05 04 34 9.0 4.4 49 1934-2655 >90 SUN SEP 24 18 09 18 58 19 29 01 18 04 29 05 00 05 49 19 37 00 09 04 39 9.0 3.2 35 2033-2437 80 MON SEP 25 18 07 18 57 19 27 16 06 02 34 04 30 05 01 05 50 19 39 00 13 04 44 9.0 1.9 21 2133-2009 69 TUE SEP 26 18 05 18 55 19 26 16 42 03 51 04 31 05 01 05 51 19 42 00 17 04 49 9.1 0.7 7 2231-1415 57 WED SEP 27 18 04 18 54 19 24 17 13 05 06 04 32 05 02 05 52 19 44 00 21 04 54 9.1 0.0 0 2327-0731 47 THU SEP 28 18 02 18 52 19 23 17 42 06 21 04 33 05 03 05 53 19 47 00 25 04 58 9.2 0.0 0 0020-0023 38 FRI SEP 29 18 01 18 50 19 21 18 09 07 34 04 33 05 04 05 54 19 49 00 29 05 02 9.2 0.0 0 0113 0640 32 SAT SEP 30 17 59 18 49 19 19 18 38 08 47 04 34 05 05 05 55 19 51 00 33 05 07 9.2 0.0 0 0207 1312 32 ONE LINE REFERS TO EVENING DATE LAST QUARTER Sep 06 22:20 UT AND FOLLOWING MORNING. NEW MOON Sep 15 01:41 UT All dates and times are zone PST FIRST QUARTER Sep 22 19:31 UT in upper table (except sid time). FULL MOON Sep 29 09:59 UT