From: Russet McMillan
Subject: 3.5m Night Log 20010524
Date: Fri, 25 May 2001 05:24:24 -0600 (MDT)
                        APACHE POINT OBSERVATORY
                        3.5m Telescope Night Log
                        Thursday, May 24th, 2001
                                                          ACTUAL
 ASTRONOMER    OBSERVER(S)             INSTRUMENT      START  FINISH
 -------------------------------------------------------------------
 B.Pindor      B.Pindor                DIS-Low         00:40  04:50
   INST        SCHEDULED     WEATH     EQUIP     OBS     DAY  NOTUSED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 --------------------------------------------------------------------
 PU01/R      21:03 04:57   2.8  0.9   0    0   4.2   0    0    0    0
  note: scheduled times listed include instrument change time
                 ------------- ACTIVITY LOG --------------
 Observing Specialist: Russet McMillan
 The dome was open for cooling during twilight, but patchy clouds made
 it difficult to focus and prevented any science at all.  I played
 around with some pointing tests for a while before closing at 22:00
 due to the clouds.  At 22:10 it began to rain.
 After midnight, the clouds thinned out somewhat, although they never
 went away completely.  We reopened and got observations under
 extremely variable seeing conditions, ranging from half an hour with
 0.7 arcseconds to an hour with >3 arcseconds after the wind shifted
 east.
         --------------- INSTRUMENT FOCUS LOG ----------------
                                       Air/Truss   Wind
 Time   Instrument   Focus     Az El    Temp-C    Dir MPH  filt   FWHM"
 ----------------------------------------------------------------------
 20:48  DISslit    -50(1345)   73  72  16.9/18.5  262  6    -     1.18
 20:59  NA2gdr     -154(55845) 208 55  17.1/18.3  262  6    none  1.11
              ------------- WEATHER CONDITIONS ------------
                                 Wind                        Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     17:01    67    12     14   346  (NNW)    381  mstly clr   none
     18:01    67    11     10   329  (NNW)    394  mstly clr   none
     19:01    67    13     10   301  (WNW)    394  ptly cldy   none
     20:01    62    14      2   292  (WNW)    400  ptly cldy   none
     21:01    63    12      6   263  (W)      437  mstly cldy  none
     22:01    64    13      8   275  (W)      425  mstly cldy  sprinkles
     23:01    63    13      8   281  (W)      460  mstly cldy  none
     00:01    63    13      5   266  (W)      451  ptly cldy   none
     01:01    62    12      4   265  (W)      448  ptly cldy   none
     02:01    59    13      1   343  (NNW)    481  ptly cldy   none
     03:01    59    14     10   351  (N)      503  ptly cldy   none
     04:01    52    19     14    60  (ENE)    790  mstly clr   none
     05:01    52    22      3   358  (N)     1206  mstly clr   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: 2.5.1
  Current MC version: v1_7_3.