KECK OBSERVATORY CALENDAR FOR 2001 -NAUTICAL (computed for altitude 4145.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) RA DEC 2001 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight MON OCT 01 18 21 18 58 19 24 17 57 06 33 05 00 05 25 06 03 19 20 00 23 05 49 10.4 0.0 0 0039-0111 TUE OCT 02 18 20 18 57 19 23 18 31 07 23 05 00 05 25 06 03 19 23 00 27 05 53 10.5 0.0 0 0123+0344 WED OCT 03 18 19 18 56 19 22 19 06 05 00 05 26 06 03 19 26 00 31 05 58 10.5 0.2 1 0209+0834 THU OCT 04 18 18 18 56 19 21 19 43 05 00 05 26 06 04 19 30 00 35 06 02 10.5 0.8 7 0256+1307 FRI OCT 05 18 17 18 55 19 20 20 23 05 01 05 26 06 04 19 33 00 39 06 06 10.5 1.5 13 0346+1711 SAT OCT 06 18 16 18 54 19 19 21 07 05 01 05 26 06 04 19 36 00 43 06 09 10.5 2.2 21 0439+2029 SUN OCT 07 18 16 18 53 19 19 21 55 05 01 05 27 06 04 19 39 00 47 06 14 10.6 3.0 28 0535+2248 MON OCT 08 18 15 18 52 19 18 22 49 05 01 05 27 06 05 19 42 00 50 06 18 10.6 4.0 37 0633+2352 TUE OCT 09 18 14 18 51 19 17 23 47 05 02 05 27 06 05 19 45 00 54 06 22 10.6 4.9 46 0733+2333 WED OCT 10 18 13 18 51 19 16 00 49 05 02 05 27 06 05 19 49 00 58 06 26 10.6 6.0 56 0833+2146 THU OCT 11 18 12 18 50 19 15 01 53 05 02 05 28 06 05 19 51 01 02 06 31 10.6 7.0 66 0933+1834 FRI OCT 12 18 11 18 49 19 15 02 57 05 02 05 28 06 06 19 54 01 06 06 35 10.6 8.1 76 1031+1409 SAT OCT 13 18 11 18 48 19 14 04 01 16 23 05 03 05 28 06 06 19 57 01 10 06 39 10.7 9.2 86 1127+0850 SUN OCT 14 18 10 18 48 19 13 05 03 17 07 05 03 05 29 06 06 20 01 01 14 06 44 10.7 10.3 95 1222+0259 MON OCT 15 18 09 18 47 19 12 06 04 17 50 05 03 05 29 06 07 20 04 01 18 06 48 10.7 10.7 100 1317-0300 TUE OCT 16 18 08 18 46 19 12 07 05 18 33 05 03 05 29 06 07 20 07 01 22 06 52 10.7 10.7 100 1411-0846 WED OCT 17 18 08 18 45 19 11 19 17 05 04 05 29 06 07 20 10 01 26 06 56 10.7 10.2 95 1505-1357 THU OCT 18 18 07 18 45 19 10 20 02 05 04 05 30 06 08 20 14 01 30 07 01 10.8 9.5 88 1600-1814 FRI OCT 19 18 06 18 44 19 10 20 50 05 04 05 30 06 08 20 17 01 34 07 05 10.8 8.7 80 1656-2125 SAT OCT 20 18 06 18 43 19 09 21 41 05 05 05 30 06 08 20 20 01 38 07 09 10.8 7.8 72 1752-2321 SUN OCT 21 18 05 18 43 19 08 22 33 05 05 05 31 06 09 20 24 01 42 07 14 10.8 7.0 64 1847-2402 MON OCT 22 18 04 18 42 19 08 23 25 05 05 05 31 06 09 20 27 01 46 07 18 10.8 6.1 56 1941-2330 TUE OCT 23 18 03 18 42 19 07 00 18 05 06 05 31 06 09 20 31 01 50 07 22 10.8 5.2 48 2033-2153 WED OCT 24 18 03 18 41 19 07 01 10 05 06 05 32 06 10 20 34 01 54 07 26 10.9 4.4 40 2123-1918 THU OCT 25 18 02 18 40 19 06 02 00 05 06 05 32 06 10 20 37 01 58 07 30 10.9 3.5 32 2211-1557 FRI OCT 26 18 02 18 40 19 06 02 50 05 06 05 32 06 10 20 41 02 01 07 34 10.9 2.7 24 2256-1157 SAT OCT 27 18 01 18 39 19 05 03 39 05 07 05 33 06 11 20 44 02 05 07 39 10.9 1.9 17 2341-0729 SUN OCT 28 18 00 18 39 19 05 04 27 05 07 05 33 06 11 20 47 02 09 07 43 10.9 1.1 10 0026-0241 MON OCT 29 18 00 18 38 19 04 16 31 05 17 05 07 05 33 06 12 20 50 02 13 07 47 10.9 0.3 2 0110+0216 TUE OCT 30 17 59 18 38 19 04 17 06 06 08 05 08 05 34 06 12 20 54 02 17 07 52 10.9 0.0 0 0156+0714 WED OCT 31 17 59 18 37 19 03 17 42 07 01 05 08 05 34 06 13 20 57 02 21 07 56 10.9 0.0 0 0243+1159 ONE LINE REFERS TO EVENING DATE FULL MOON OCT 02 13:52 UT AND FOLLOWING MORNING. LAST QUARTER OCT 10 04:23 UT All dates and times are zone HST NEW MOON OCT 16 19:27 UT in upper table (except sid time). FIRST QUARTER OCT 24 03:01 UT