KECK OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___ 
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN OCT 01  18 21  18 58  19 24         01 46  05 00  05 25  06 03  19 45  00 22  05 23   9.6  3.2  33 2033-2258
 MON OCT 02  18 20  18 57  19 23         02 50  05 00  05 25  06 03  19 48  00 26  05 27   9.6  2.2  22 2130-1759
 TUE OCT 03  18 19  18 56  19 22         03 53  05 00  05 26  06 03  19 51  00 30  05 31   9.6  1.1  11 2226-1151
 WED OCT 04  18 18  18 56  19 21  16 29  04 56  05 00  05 26  06 04  19 54  00 34  05 35   9.6  0.1   0 2320-0456
 THU OCT 05  18 17  18 55  19 20  17 09  05 59  05 01  05 26  06 04  19 57  00 38  05 40   9.7  0.0   0 0013+0220
 FRI OCT 06  18 16  18 54  19 19  17 49  07 02  05 01  05 26  06 04  20 00  00 42  05 44   9.7  0.0   0 0107+0929
 SAT OCT 07  18 16  18 53  19 19  18 31         05 01  05 27  06 04  20 04  00 46  05 48   9.7  0.0   0 0203+1603
 SUN OCT 08  18 15  18 52  19 18  19 16         05 01  05 27  06 05  20 07  00 50  05 51   9.7  0.0   0 0301+2133
 MON OCT 09  18 14  18 51  19 17  20 06         05 02  05 27  06 05  20 10  00 54  05 56   9.8  0.8   8 0401+2538
 TUE OCT 10  18 13  18 51  19 16  20 59         05 02  05 27  06 05  20 13  00 58  06 00   9.8  1.7  17 0503+2801
 WED OCT 11  18 12  18 50  19 15  21 57         05 02  05 28  06 05  20 16  01 01  06 04   9.8  2.7  27 0604+2840
 THU OCT 12  18 11  18 49  19 15  22 56         05 02  05 28  06 06  20 20  01 05  06 08   9.8  3.7  37 0702+2739
 FRI OCT 13  18 11  18 48  19 14  23 54         05 03  05 28  06 06  20 23  01 09  06 13   9.8  4.7  47 0758+2514
 SAT OCT 14  18 10  18 48  19 13  00 50         05 03  05 29  06 06  20 26  01 13  06 17   9.8  5.6  57 0849+2142
 SUN OCT 15  18 09  18 47  19 12  01 44         05 03  05 29  06 07  20 28  01 17  06 21   9.8  6.5  66 0937+1719
 MON OCT 16  18 08  18 46  19 12  02 34         05 03  05 29  06 07  20 32  01 21  06 25   9.8  7.4  74 1022+1220
 TUE OCT 17  18 08  18 45  19 11  03 23         05 04  05 29  06 07  20 35  01 25  06 30   9.9  8.2  82 1104+0656
 WED OCT 18  18 07  18 45  19 10  04 10  16 17  05 04  05 30  06 08  20 38  01 29  06 34   9.9  9.0  90 1146+0120
 THU OCT 19  18 06  18 44  19 10  04 58  16 47  05 04  05 30  06 08  20 42  01 33  06 38   9.9  9.8  98 1228-0420
 FRI OCT 20  18 06  18 43  19 09  05 46  17 18  05 05  05 30  06 08  20 45  01 37  06 43   9.9  9.9 100 1310-0952
 SAT OCT 21  18 05  18 43  19 08  06 36  17 50  05 05  05 31  06 09  20 48  01 41  06 47  10.0 10.0 100 1354-1507
 SUN OCT 22  18 04  18 42  19 08  07 28  18 26  05 05  05 31  06 09  20 52  01 45  06 51  10.0 10.0 100 1441-1950
 MON OCT 23  18 03  18 42  19 07         19 05  05 06  05 31  06 09  20 55  01 49  06 56  10.0 10.0 100 1531-2346
 TUE OCT 24  18 03  18 41  19 07         19 50  05 06  05 32  06 10  20 59  01 53  07 00  10.0  9.3  92 1625-2641
 WED OCT 25  18 02  18 40  19 06         20 40  05 06  05 32  06 10  21 02  01 57  07 04  10.0  8.4  84 1721-2819
 THU OCT 26  18 02  18 40  19 06         21 35  05 06  05 32  06 10  21 06  02 01  07 07  10.0  7.5  75 1820-2827
 FRI OCT 27  18 01  18 39  19 05         22 34  05 07  05 33  06 11  21 09  02 05  07 12  10.0  6.5  65 1918-2700
 SAT OCT 28  18 00  18 39  19 05         23 36  05 07  05 33  06 11  21 13  02 09  07 16  10.0  5.5  54 2016-2400
 SUN OCT 29  18 00  18 38  19 04         00 37  05 07  05 33  06 12  21 16  02 12  07 20  10.0  4.5  44 2112-1936
 MON OCT 30  17 59  18 38  19 04         01 38  05 08  05 34  06 12  21 20  02 16  07 25  10.1  3.5  34 2206-1402
 TUE OCT 31  17 59  18 37  19 03         02 39  05 08  05 34  06 13  21 23  02 20  07 29  10.1  2.5  24 2259-0736

                ONE LINE REFERS TO EVENING DATE    FULL MOON      OCT 07   03:17  UT
                AND FOLLOWING MORNING.             LAST QUARTER   OCT 14   00:27  UT
                All dates and times are zone HST   NEW MOON       OCT 22   05:18  UT
                in upper table (except sid time).  FIRST QUARTER  OCT 29   21:27  UT