Date: Fri, 16 Dec 2005 06:42:31 -0700 (MST)
From: Jack Dembicky
Subject: 3.5m Night Log 20051215
                        Apache Point Observatory
                        3.5m Telescope Night Log
                       Thursday, December 15, 2005
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START FINISH
 --------------------------------------------------------------------
 M.Drosback      M.Drosback             Echelle        22:00  23:55
 L.Walkowicz     L.Walkowicz            Echelle        --:--  --:--
  INST     SCHED(TWILIGHT)   WEATH     EQUIP     OBS     DAY  NOT USED
 I/ROW/DN    START FINISH   D    B    D    B    D    B   USE   D    B
 ----------------------------------------------------------------------
 CU05/R      17:57  23:55   0   4.1   0    0    0   1.9   0    0    0
 UW13/R      23:55  06:01   0   6.1   0    0    0    0    0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 Clouds to start, then around 22:00 it cleared enough to open but by the
 start of the 2nd half the clouds came back and it started snowing around
 02:10.
 1/4 inch accumulation of the white powder outside this morning.
                      ------- FAILURE LOG -------
  PROG   INST   FAILURE MODE     TIME
       (SEDFNVOG)    TI/SHU   START  FINISH  DESCRIPTION
 -----------------------------------------------------------------------
                ---------------- FOCUS LOG ---------------
                                        Air/Truss   Wind
 Time   Instrument   Focus     Az  El    Temp-C    Dir MPH  filt  FWHM
 ---------------------------------------------------------------------
 22:10  Echelle      15(-388)   1  56  -2.8/-2.7   189  18   ND1  1.24
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
     ------------------------------------------------------------------
     16:01    25     9      5   187  (S)      841    Cloudy   none
     17:01    24     9      4   102  (ESE)    921    Cloudy   none
     18:01    25     9      7   172  (S)      756    Cloudy   none
     19:01    26     6     11   174  (S)      547    Cloudy   none
     20:01    25    11     11   169  (SSE)    842    Cloudy   none
     21:01    24    13     17   136  (SE)    1197    Cloudy   none
     22:01    27    12     16   181  (S)     1048   Pt. Cldy  none
     23:01    26    15     12   184  (S)     1034   Pt. Cldy  none
     00:01    26    17     14   194  (SSW)    948    Cloudy   none
     01:01    25    16     12   199  (SSW)    937    Cloudy   none
     02:01    25    18     12   206  (SSW)    897    Cloudy   Lt. Snow
     03:01    25    21     12   248  (WSW)    887    Cloudy   Lt. Snow
     04:01    23    22     13   253  (WSW)   1126    Cloudy   Lt. Snow
     05:01    22    22      1   195  (SSW)    923    Cloudy   Lt. Snow
     06:01    23    22      9   275  (W)      994    Cloudy   Lt. Snow
     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: 2.8
      Current TUI version: TUI 1.1