KECK OBSERVATORY CALENDAR FOR 2001 -ASTRONOMICAL (computed for altitude 4145.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC 2001 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight THU NOV 01 17 58 18 37 19 03 18 22 07 56 05 09 05 35 06 13 21 27 02 25 07 35 10.1 0.0 0 0333+1618 FRI NOV 02 17 58 18 36 19 02 19 04 05 09 05 35 06 13 21 30 02 29 07 39 10.1 0.0 0 0426+1955 SAT NOV 03 17 57 18 36 19 02 19 52 05 09 05 35 06 14 21 34 02 33 07 43 10.1 0.8 8 0522+2233 SUN NOV 04 17 57 18 35 19 01 20 45 05 10 05 36 06 14 21 37 02 37 07 48 10.2 1.7 17 0620+2357 MON NOV 05 17 56 18 35 19 01 21 42 05 10 05 36 06 15 21 41 02 41 07 52 10.2 2.7 26 0719+2358 TUE NOV 06 17 56 18 35 19 01 22 42 05 10 05 37 06 15 21 45 02 45 07 56 10.2 3.7 36 0819+2232 WED NOV 07 17 56 18 34 19 00 23 45 05 11 05 37 06 16 21 48 02 49 08 01 10.2 4.8 46 0918+1943 THU NOV 08 17 55 18 34 19 00 00 47 05 11 05 37 06 16 21 52 02 53 08 05 10.2 5.8 56 1015+1542 FRI NOV 09 17 55 18 34 19 00 01 48 05 12 05 38 06 17 21 56 02 57 08 09 10.2 6.8 66 1110+1045 SAT NOV 10 17 55 18 33 19 00 02 49 05 12 05 38 06 17 22 00 03 01 08 13 10.2 7.8 76 1204+0511 SUN NOV 11 17 54 18 33 18 59 03 48 05 13 05 39 06 18 22 03 03 05 08 18 10.2 8.8 86 1256-0040 MON NOV 12 17 54 18 33 18 59 04 48 16 25 05 13 05 39 06 18 22 07 03 08 08 22 10.2 9.8 95 1349-0629 TUE NOV 13 17 54 18 33 18 59 05 48 17 07 05 14 05 40 06 19 22 11 03 12 08 27 10.2 10.2 100 1442-1155 WED NOV 14 17 53 18 33 18 59 06 48 17 51 05 14 05 40 06 20 22 15 03 16 08 31 10.2 10.2 100 1537-1637 THU NOV 15 17 53 18 32 18 59 07 48 18 38 05 14 05 41 06 20 22 18 03 20 08 35 10.2 10.2 100 1633-2020 FRI NOV 16 17 53 18 32 18 59 19 28 05 15 05 41 06 21 22 22 03 24 08 40 10.3 9.8 95 1730-2251 SAT NOV 17 17 53 18 32 18 59 20 20 05 15 05 42 06 21 22 26 03 28 08 44 10.3 8.9 86 1826-2405 SUN NOV 18 17 53 18 32 18 58 21 14 05 16 05 42 06 22 22 29 03 32 08 49 10.3 8.0 77 1922-2401 MON NOV 19 17 52 18 32 18 58 22 07 05 16 05 43 06 22 22 33 03 36 08 53 10.3 7.2 69 2015-2245 TUE NOV 20 17 52 18 32 18 58 23 00 05 17 05 43 06 23 22 37 03 40 08 58 10.3 6.3 60 2107-2027 WED NOV 21 17 52 18 32 18 58 23 52 05 17 05 44 06 24 22 41 03 44 09 02 10.3 5.4 52 2155-1718 THU NOV 22 17 52 18 32 18 58 00 42 05 18 05 44 06 24 22 45 03 48 09 07 10.3 4.6 44 2242-1329 FRI NOV 23 17 52 18 32 18 58 01 31 05 18 05 45 06 25 22 49 03 52 09 11 10.3 3.8 36 2327-0910 SAT NOV 24 17 52 18 32 18 58 02 19 05 19 05 46 06 25 22 53 03 56 09 16 10.3 3.0 28 0011-0428 SUN NOV 25 17 52 18 32 18 58 03 08 05 19 05 46 06 26 22 57 04 00 09 20 10.3 2.2 21 0055+0027 MON NOV 26 17 52 18 32 18 59 03 58 05 20 05 47 06 27 23 02 04 04 09 25 10.3 1.4 13 0140+0527 TUE NOV 27 17 52 18 32 18 59 04 51 05 20 05 47 06 27 23 06 04 08 09 28 10.3 0.5 4 0227+1020 WED NOV 28 17 52 18 32 18 59 16 17 05 45 05 21 05 48 06 28 23 10 04 12 09 33 10.4 0.0 0 0316+1453 THU NOV 29 17 52 18 32 18 59 16 59 06 43 05 22 05 48 06 28 23 14 04 15 09 38 10.4 0.0 0 0408+1851 FRI NOV 30 17 52 18 32 18 59 17 45 07 43 05 22 05 49 06 29 23 18 04 19 09 42 10.4 0.0 0 0504+2154 ONE LINE REFERS TO EVENING DATE FULL MOON NOV 01 05:44 UT AND FOLLOWING MORNING. LAST QUARTER NOV 08 12:24 UT All dates and times are zone HST NEW MOON NOV 15 06:43 UT in upper table (except sid time). FIRST QUARTER NOV 22 23:24 UT FULL MOON NOV 30 20:51 UT