Date: Fri, 25 Mar 2005 04:35:22 -0700 (MST)
From: Jack Dembicky
Subject: 3.5m Night Log 20050324
                         Apache Point Observatory
                         3.5m Telescope Night Log
                         Thursday, March 24, 2005
                                                          ACTUAL
  ASTRONOMER      OBSERVER(S)            INSTRUMENT     START FINISH
 -------------------------------------------------------------------
 M.Strauss       X.Fan                   NIC-FPS        18:35 20:20
   INST     SCHED(TWILIGHT)   WEATH     EQUIP     OBS    DAY  NOT USED
  I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 ----------------------------------------------------------------------
  PU06/R      19:11  05:07   0   8.8   0    0    0   1.2    0    0    0
   note: scheduled times listed include instrument change time
                 ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 We started the evening with somewhat clear skies, but clouds popping up
 here and there.  Around 20:20 the clouds finally decided to get thicker
 and I opted to play it safe and close the mirror covers (threat of rain
 wasn't obvious, but better safe than sorry).  About 20 mins later the
 clouds parted and I re-opened the mirror covers.  That lasted oh about 15
 mins and the clouds socked us in again, and I closed the covers again.
 We opened around 20:00 for about 20 mins and then the clouds moved back
 in.  Finally about 20:30 I decided to play it even safer and close the
 dome.  We never re-opened for the rest of the night.  It was a cat and
 mouse game with the clouds, with the clouds eventually winning out.
 The observer eventually gave up around 04:00.
                       ------- FAILURE LOG -------
   PROG   INST    FAILURE MODE      TIME
       (SEGDFNVO)    TI/SHU     START  FINISH  DESCRIPTION
 -----------------------------------------------------------------------
              ---------------- FOCUS LOG ---------------
                                        Air/Truss    Wind
 Time   Instrument   Focus     Az  El    Temp-C    Dir MPH  filt  FWHM
 ---------------------------------------------------------------------
 18:39   NICFPS    90(1339)    68  62   0.0/1.6    264  17   J    1.36
 18:47   NA2gdr  798(45798)    66  63   0.1/1.3    270  22   R    1.61
 22:14   NICFPS   175(1341)   -60  74   0.4/-0.1   303  16   R    0.82
                 ------------- WEATHER LOG ----------------
                                    Wind                      Precip.or
      Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
     ------------------------------------------------------------------
     16:01    37    18     21   256  (WSW)   1356   Mst. Cldy   none
     17:01    38    19     18   257  (WSW)   1044   Pt. Cldy    none
     18:01    34    19     28   269  (W)     1328   Pt. Cldy    none
     19:01    32    18     29   263  (W)      870   Pt. Cldy    none
     20:01    32    15     12   267  (W)      625   Pt. Cldy    none
     21:01    32    15     15   306  (NW)     621   Mst. Cldy   none
     22:01    33    16     15   303  (WNW)    699   Mst. Cldy   none
     23:01    33    17     13   297  (WNW)    730    Cloudy     none
     00:01    33    18      4   285  (WNW)    791    Cloudy     none
     01:01    33    18     11   271  (W)      879    Cloudy     none
     02:01    33    19     15   260  (W)      827    Cloudy     none
     03:01    32    19     13   259  (W)      888    Cloudy     none
     04:01    31    20     15   264  (W)     1001    Cloudy     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
       Telescope drives operational. Current Remark version: 2.85b
       Current TCC version: 2.7.2  Current TUI version: TUI 0.94