From: Russet McMillan
Subject: 3.5m Night Log 20010227
Date: Wed, 28 Feb 2001 05:33:55 -0700 (MST)
                        APACHE POINT OBSERVATORY
                        3.5m Telescope Night Log
                      Tuesday, February 27th, 2001
                                                          ACTUAL
 ASTRONOMER    OBSERVER(S)             INSTRUMENT      START  FINISH
 --------------------------------------------------------------------
 J.Frieman    D.Johnston, G.Richards   DIS-Med         --:--  --:--
 N.Miller     N.Miller, M.Ledlow       DIS-Low         --:--  --:--
   INST        SCHEDULED     WEATH     EQUIP     OBS     DAY  NOTUSED
  I/RO/DN    START FINISH   D    B    D    B    D    B   USE   D    B
 --------------------------------------------------------------------
 UC03/R      18:53  00:10  2.0  3.3   0    0    0    0    0    0    0
 NM06/R      00:10  05:38  5.5   0    0    0    0    0    0    0    0
  note: scheduled times listed include instrument change time
                 ------------- ACTIVITY LOG --------------
 Observing Specialist, 1st Shift: Jack Dembicky
Clouds, high humidity, rain, fog, and wet snow prevented opening
1st half tonight.  I started the snow program (just as a precaution to
prevent snow accumulation) around 19:30 tonight.  The roof heaters are
also on (from earlier in the day). Snow program was ended at 22:00 since
it was now raining and not snowing.
Russet installed the new multi-slit wheel in DIS earlier this afternoon
and it seemed to work fine during instrument checkout.
 Observing Specialist, 2nd Shift: Russet McMillan
Second half had high winds and humidity, with a little rain and a
brief hailstorm.  I ran the snow program after the hail fell in hopes
that the wind would blow any ice off the roof.
         --------------- INSTRUMENT FOCUS LOG ----------------
                                       Air/Truss   Wind
 Time   Instrument   Focus     Az El    Temp-C    Dir MPH  filt   FWHM"
 ---------------------------------------------------------------------
              ------------- WEATHER CONDITIONS ------------
                                 Wind                        Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:01    36    31     12   184  (S)      812   clouds  rain-snow
     17:01    34    32     19   165  (SSE)    743    fog    rain-snow
     18:01    34    33     20   222  (SW)     870   clouds  rain-snow
     19:01    33    32     16   166  (SSE)    267   clouds  rain-snow
     20:01    35    32     25   167  (SSE)    787   clouds   drizzle
     21:01    34    33     24   133  (SE)     841   clouds   drizzle
     22:01    35    33     15   153  (SSE)    801   cloudy    none?
     23:01    36    31     18   159  (SSE)    783   cloudy    none?
     00:01    35    33     22   158  (SSE)    761   cloudy    none?
     01:01    37    31     26   179  (S)      792   cloudy  rain + snow
     02:01    37    32     17   183  (S)      857   cloudy    none?
     03:01    37    32     13   176  (S)      876   cloudy    none?
     04:01    33    32     25   188  (S)      869   cloudy  rain + hail
     05:01    32    32     21   199  (SSW)     25   cloudy  rain + hail
  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 Ctrlv3.0b27. Current TCC version: 2.5.0b2
  Current MC version: v1_7_3.