Date: Thu, 24 Dec 2009 09:50:22 -0000 (UTC)
Subject: 3.5m Night Log 20091223
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Wednesday, December 23, 2009
                                                            ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT       START  FINISH
  ------------------------------------------------------------------
 J.Darling       J.Darling              NICFPS           --:--  --:--
 K.France        K.France, B.Fleming    DIS              --:--  --:--
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
----------------------------------------------------------------------
 CU08/R     17:11  00:00   0.2  6.6   0    0    0    0    0    0    0
 CU03/R     00:00  06:54   6.9   0    0    0    0    0    0    0    0
 note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: G.Saurage
Severe winter weather: high winds, high humidity, snow, fog. Snow accumulation about
3" before sunset. Continued to snow another 2" or so over first half with fog at
times. High winds increased second half and humidity stayed high all night.
Ran snow program most of the night. Telescope parked facing South.
                      ------- FAILURE LOG -------
  PROG   INST   FAILURE MODE     TIME
       (SEDFNVOG)   TI/SHU    START  FINISH  DESCRIPTION
 ----------------------------------------------------------------------
               ---------------- FOCUS LOG ---------------
 Time  Instrument  Focus     Az  El  Temp Strc Prim  Sec  Air  filt  FWHM
--------------------------------------------------------------------------
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    20    16     13   294  (WNW)   1586   cloudy     fog
     17:00    19    16     10   317   (NW)   2339   cloudy     snow
     18:00    20    16     11   305   (NW)   2469   cloudy     snow
     19:00    20    16      6   352    (N)   1903   cloudy     none
     20:00    19    15     23   329  (NNW)   1062   cloudy   lt snow
     21:00    19    15     11   323   (NW)    486   cloudy   lt snow
     22:00    19    15     20    38   (NE)    679   cloudy   lt snow
     23:00    18    14     19    32  (NNE)   1728   cloudy    humid
     00:00    19    15     22    30  (NNE)   1006   cloudy     fog
     01:00    20    17     16    25  (NNE)    616   cloudy    humid
     02:00    21    18     17    34   (NE)   2037   cloudy    humid
     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 TCC version: 2.11.1
      Current TUI version: TUI 1.6.2