From: Russet McMillan
Subject: 3.5m Night Log 20010929
Date: Sun, 30 Sep 2001 05:37:44 -0600 (MDT)
                         APACHE POINT OBSERVATORY
                         3.5m Telescope Night Log
                      Saturday, September 29th, 2001
                                                           ACTUAL
 ASTRONOMER    OBSERVER(S)             INSTRUMENT      START  FINISH
 -------------------------------------------------------------------
 R.Wyse        R.Wyse, L.Hebb          GrIm f/5        18:40   19:56
               M.Houdashelt
 M.Strauss     V.Narayanan, X.Fan      SPIcam          --:--   --:--
   INST        SCHEDULED     WEATH     EQUIP     OBS     DAY  NOTUSED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 --------------------------------------------------------------------
 JH01/O      19:45  01:00   0   5.1   0    0    0   0.2   0    0    0
 PU02/R      01:00  06:03  1.0  4.1   0    0    0    0    0    0    0
   note: scheduled times listed include instrument change time
                  ------------- ACTIVITY LOG --------------
 1st Half Observing Specialist: N.Camron Hastings
    Opened to cool at 17:30 MDT under mostly cloudy skies. As the evening
progressed the clouds dispersed somewhat. No troubles during startup,
everything functioning well. I checked drive surfaces again tonight and
found not moth remnants, pointing was very good upon opening tonight.
    The clouds returned soon after twilight and stopped any useful data from
being collected. I closed the dome at 22:30 due to the cloud cover.
 2nd Half Observing Specialist: Russet McMillan
 The sky remained partly to mostly cloudy during second half.
 Although the clouds were thin enough to allow focusing, they wouldn't
 permit any of the planned science for the night.  Despite the
 first-half check, moth traces showed on both drive surfaces at
 shutdown.  This may have been the cause of last night's pointing
 troubles -- nice because it means nothing is wrong with the
 telescope, nasty because it could and will happen again at any time
 for the next few months.
 Around 04:30, the wind shifted east and strengthened, the humidity
 rose, and the seeing probably got worse (but we weren't measuring
 it).  The observers gave up soon afterward.
               ---------------- FOCUS LOG ---------------
                                        Air/Truss   Wind
 Time   Instrument   Focus     Az El    Temp-C    Dir MPH  filt   FWHM
 ----------------------------------------------------------------------
 19:23  GrIm f/5    50(938)   192 61   13.5/14.5  133  12    J    0.76"
 19:26  NA2 Gdr   -739(61360) 196 61   13.5/14.4  130  13    R    1.05"
 03:13  SPIcam    50(1040)    41  55   11.2/11.3  91   10    i'   0.93
 03:18  NA2gdr    2326(63326) 40  56   11.3/11.3  82   11    R    0.93
              --------------- WEATHER LOG ----------------
                                 Wind                        Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:01    63    22      9   181  (S)      334  mstly cldy   none
     17:01    62    24     17   215  (SW)     291  mstly cldy   none
     18:01    59    21     13   158  (SSE)    387  ptly  cldy   none
     19:01    56    21     13   142  (SE)     381  ptly  cldy   none
     20:01    54    21     14   137  (SE)     551  mstly cldy   none
     21:01    53    22     19   131  (SE)     443    cloudy     none
     22:01    53    22     13   124  (SE)     408    cloudy     none
     23:01    53    21     14   126  (SE)     353  ptly cldy    none
     00:01    53    21     11   125  (SE)     307  mstly cldy   none
     01:01    54    20     12   133  (SE)     315  mstly cldy   none
     02:01    53    21     12   124  (SE)     326  ptly cldy    none
     03:01    53    21     12   109  (ESE)    306  mstly cldy   none
     04:01    52    20     10    88  (E)      337  mstly cldy   none
     05:01    49    27     15    76  (ENE)    353  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.
                               TELESCOPE STATUS
   Primary, secondary, and tertiary mirrors in place and collimated.
   Primary support system operational. Mirror ventilation system in
   place.
   Telescope drives operational. Current Remark version: 2.62. Current
   guide software version: GIm Ctrlv4.1b2. Current TCC version: 2.5.5
   Current MC version: v1_7_3.