Date: Fri, 3 Jun 2005 05:24:47 -0600 (MDT)
From: Jack Dembicky
Subject: 3.5m Night Log 20050602
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Thursday, June 02, 2005
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START FINISH
 --------------------------------------------------------------------
 J.Stockton    J.Stockton, M.Sussman    DIS            --:--  --:--
               N.Vogt
 M.Oguri       M.Oguri, N,Inada         DIS            01:00  05:07
  INST     SCHED(TWILIGHT)   WEATH     EQUIP     OBS     DAY  NOT USED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 ----------------------------------------------------------------------
 NM03/O      21:10 01:00   3.8   0    0    0    0    0    0    0    0
 PU05/O      01:00 04:53    0    0    0    0   2.7  1.2   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 Clouds kept us closed for the first half.  We had light rain around 22:30
 but it didn't last long.  The clouds started to move out just a little
 before 01:00 and my observers took their cals starting at 01:00.  I
 opened the enclosure at 01:30 and focused the telescope.  Seeing wasn't
 the best at 1.8 arc sec, but considering we had a large storm just off
 to our east that had just move thru, the churned air wasn't all that
 unexpected.
 Seeing was variable all night long, depending on where we had the
 telescope pointed, between 1.2 and 2.5 arc sec.  I tweaked focus off the
 guider during the night.
                      ------- 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
 ---------------------------------------------------------------------
 01:44  DISslit    -175(1122)  73  60   9.6/11.6   267  16  none  1.85
 01:49  NA2gdr    -877(22122)  71  61   9.6/11.5   263  15   R    1.45
             ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
     ------------------------------------------------------------------
     18:01    64    23     16   264  (W)      739    Pt. Cldy   none
     19:01    61    25     12   267  (W)      841   Mst. Cldy   none
     20:01    57    14     13   277  (W)     2137     Cloudy    none
     21:01    56    18     10   250  (WSW)    703     Cloudy    none
     22:01    52    27     20   248  (WSW)   1508     Cloudy   Lt. Rain
     23:01    47    36     15   217  (SW)    1931     Cloudy    none
     00:01    45    36      3    96  (E)      550     Cloudy    none
     01:01    50    25     18   282  (WNW)    615    Pt. Cldy   none
     02:01    49    26     13   267  (W)      666    Pt. Cldy   none
     03:01    48    27     18   284  (WNW)    654      Clear    none
     04:01    47    21     15   284  (WNW)    745      Clear    none
     05:01    46    22     14   294  (WNW)    794      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
      Telescope drives operational. Current Remark version: 2.85b
      Current TCC version: 2.7.2  Current TUI version: TUI 0.94