From:
Subject: 3.5m Night Log 20110726
Date: Wed, 27 Jul 2011 11:33:06 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, July 26, 2011
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
M.Klaene          R.McMillan            DIS,NA2gdr     23:30   05:30
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
EN02/R     20:15   01:10   3.2   0    0    0   1.7  0.0   0    0
EN02/R     01:10   06:05    0    0    0    0   1.8  3.1   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Rain in the evening, then more engineering progress: DIS focus,
throughput, and instrument blocks.  I also got a pointing model to check
recent changes to the fiducial table.
                    ------- 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
--------------------------------------------------------------------------
 00:00 dis-slit   110(  292)  94  57  16.7 17.1 17.2 16.6 16.2   -  1.01
 00:15 dis-slit   164(  328)  92  60  16.4 16.8 16.9 16.4 16.0   -  0.89
 00:19 dis-slit   180(  340)  92  61  16.3 16.8 16.9 16.3 15.8   -  0.95
 00:31 dis-slit   208(  357)  90  63  16.2 16.6 16.8 16.1 15.8   -  1.10
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    68    46     12   219   (SW)    358 mstly cldy   none
     17:00    69    47     14   186    (S)    332 mstly cldy   none
     18:00    72    47     12   213  (SSW)    471 mstly cldy   none
     19:00    67    48     11   264    (W)   1172 mstly cldy   none
     20:00    64    48      4   266    (W)    867 mstly cldy lt rain
     21:00    63    49      8   170    (S)    625 mstly cldy lt rain
     22:00    59    45     12   112  (ESE)    740 mstly cldy   none
     23:00    64    47      2   288  (WNW)    422  ptly cldy   none
     00:00    62    49      8   266    (W)    623 mstly clr    none
     01:00    61    48      7   323   (NW)    628    clear     none
     02:00    59    49      6   355    (N)    739    clear     none
     03:00    60    47      7   347  (NNW)    603    clear     none
     04:00    60    47      6   354    (N)    547    clear     none
     05:00    60    48      1   334  (NNW)    604    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 TCC version: 2.14.0
    Current TUI version: 1.8.7