From: "Noel Camron Hastings"
Subject: 3.5m Night Log 20010421
Date: Sun, 22 Apr 2001 04:33:01 -0600
                        APACHE POINT OBSERVATORY
                        3.5m Telescope Night Log
                       Saturday, April 21st, 2001
                                                          ACTUAL
 ASTRONOMER    OBSERVER(S)             INSTRUMENT      START  FINISH
 --------------------------------------------------------------------
 R.Walterbos   R.Walterbos             DIS-Med         --:--  --:--
 W.Zheng       Z.Tsvetenov             DIS-Low         --:--  --:--
   INST        SCHEDULED     WEATH     EQUIP     OBS     DAY  NOTUSED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 --------------------------------------------------------------------
 NM01/R      20:32 01:00   4.4   0    0    0    0    0    0    0    0
 JH07/R      01:00 05:32   4.5   0    0    0    0    0    0    0    0
  note: scheduled times listed include instrument change time
                 ------------- ACTIVITY LOG --------------
 Observing Specialist: Noel Camron Hastings
     High dust and wind kept us closed all night. When dust started to
abate near twilight, the wind started again to rise above limits along
with humidity and then dust followed again...
         --------------- 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    60    16     42   222  (SW)    4997   clear      none
     17:01    61    17     23   223  (SW)   10656   clear      none
     18:01    58    14     25   226  (SW)   22668   clear      none
     19:01    55    12     13   237  (WSW)  27040   clear      none
     20:01    52     8     27   226  (SW)   22599   clear      none
     21:01    50     6     22   215  (SW)   30104   clear      none
     22:01    49     5     30   205  (SSW)  18645   clear      none
     23:01    47     7     39   216  (SW)   19689   clear      none
     00:01    45     9     32   217  (SW)   21349   clear      none
     01:01    41    10     30   247  (WSW)  12310   clear      none
     02:01    33    18     15   285  (WNW)   8251   clear      none
     03:01    30    19     19   289  (WNW)   4486   clear      none
     04:01    29    19     27   245  (WSW)   3182   clear      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 Ctrlv3.0b27. Current TCC version: 2.5.1
  Current MC version: v1_7_3.