From: Russet McMillan
Subject: 3.5m Night Log 20050113
Date: Fri, 14 Jan 2005 06:57:15 -0700 (MST)
                        Apache Point Observatory
                        3.5m Telescope Night Log
                       Thursday, January 13, 2005
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START FINISH
 --------------------------------------------------------------------
 N.Chanover      N.Chanover,J.Norwood   SPIcam         17:25  05:30
                                                       06:15  06:55
  INST     SCHED(TWILIGHT)   WEATH     EQUIP     OBS     DAY  NOT USED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 ----------------------------------------------------------------------
 NM01/O      18:16  06:09  0.6   0   0    0   8.3  3.0   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 1st Half Observing Specialist: J.Dembicky
 No Problems 1st half.
 2nd Half Observing Specialist: R.McMillan
 Second half had generally good seeing but thickening cirrus that
 eventually prevented photon-collection for the last half hour or so
 before twilight.  We remained open during that time to be ready for
 twilight flats.
                      ------- FAILURE LOG -------
  PROG   INST   FAILURE MODE     TIME
      (SEGDFVO)    TI/SHU   START  FINISH  DESCRIPTION
 -----------------------------------------------------------------------
                 ---------------- FOCUS LOG ---------------
                                        Air/Truss   Wind
 Time   Instrument   Focus     Az  El    Temp-C    Dir MPH  filt  FWHM
 ---------------------------------------------------------------------
 18:21  SPIcam      175(1079)  26  54   -0.4/-1.5   14  19    I    1.2
 19:25  SPIcam       25(1042)  99  27   -1.4/-1.7   27  21    B    1.7
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
     ------------------------------------------------------------------
     16:01    29     3      8    22  (NNE)          Clear      none
     17:01    30    -8     21    13  (NNE)          Clear      none
     18:01    30   -10     23    27  (NNE)          Clear      none
     19:01    30   -14     21    28  (NNE)          Clear      none
     20:01    31   -17     17    27  (NNE)        Lt. Cirrus   none
     21:01    31   -21     26    22  (NNE)        Lt. Cirrus   none
     22:01    32   -20     24    24  (NNE)        Lt. Cirrus   none
     23:01    34   -20     19    23  (NNE)        Lt. Cirrus   none
     00:01    34   -26     16    23  (NNE)          cirrus     none
     01:01    35   -33      8    29  (NNE)          cirrus     none
     02:01    35   -30      6   351  (N)            cirrus     none
     03:01    32   -21      1   195  (SSW)          cirrus     none
     04:01    32   -22      1   248  (WSW)         ptly cldy   none
     05:01    32   -21      5   358  (N)          mstly cldy   none
     06:01    33   -21      8   356  (N)          mstly cldy   none
     Note: the wind was coming from the azimuth listed.  The convention
     used is north=0 degrees, east=90 degrees.  The dust count is
     particles > 1u per 0.1 cubic feet.
     Note: The Tower Dust counter appears to be down at this time
                              TELESCOPE STATUS
      Telescope drives operational. Current Remark version: 2.85b
      Current TCC version: 2.7.2  Current TUI version: TUI 0.932