Date: Sun, 13 Sep 2009 11:37:10 -0000 (UTC)
Subject: 3.5m Night Log 20090912
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Saturday, September 12, 2009
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)             INSTRUMENT     START  FINISH
  ------------------------------------------------------------------
 J.Helsby        J.Helsby                DIS            --:--  --:--
 D.York          J.Barentine             DIS            --:--  --:--
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
----------------------------------------------------------------------
 UC02/R     20:07  01:05   4.7  0.3   0    0    0    0    0    0    0
 UC04/R     01:05  05:52    0   4.8   0    0    0    0    0    0    0
 note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: G.Saurage
Thunderstorms in the area. Raining, fog and humidity. Cleared after 04:30 but
humidity would not stabilize. Never opened.
In-Dome DIS linearity tests:
20:10 turned on Lakeshore heater; setpoint -100
20:30 blue -104.5, red -99.7 start script 1
04:00 setpoint -98
04:30 blue -108.9, red -100 start script 2
(although looks like the heater not kicking in)
                       ------- 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    55    46      3   283  (WNW)   1177   cloudy     none
     17:00    47    45     15    74  (ENE)   1558   cloudy     fog
     18:00    47    40     21    58  (ENE)   1145   cloudy     rain
     19:00    47    39     19    73  (ENE)   1047   cloudy     rain
     20:00    48    37     25    70  (ENE)    995   cloudy     none
     21:00    47    40     18    68  (ENE)    984   cloudy     none
     22:00    47    42     16    69  (ENE)   1279   cloudy    humid
     23:00    45    44     17    64  (ENE)   1703   cloudy    humid
     00:00    45    44     16    71  (ENE)   2005   cloudy    humid
     01:00    45    43     13    61  (ENE)   1993   cloudy    humid
     02:00    46    83      9    77  (ENE)   2161   cloudy    humid
     03:00    45    43     13    76  (ENE)   1971   cloudy    humid
     04:00    48    40      9    36   (NE)   1939 mstly clr    none
     05:00    47    39      1   265    (W)   1300 mstly clr    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 TCC version: 2.10.0
      Current TUI version: TUI 1.6