From:
Subject: 3.5m Night Log 20110330
Date: Thu, 31 Mar 2011 11:58:47 +0000 (UTC)
                       Apache Point Observatory
                       3.5m Telescope Night Log
                       Wednesday, March 30, 2011
                                                        ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
S.Gezari          S.Gezari              DIS            19:31   01:00
D.Bowen           D.Bowen               SPIcam         01:15   05:00
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
--------------------------------------------------------------------
JH03/R     19:30   01:10    0    0    0    0   5.7  0.0   0    0
PU05/R     01:10   06:44    0   1.7   0    0   3.9  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist:    R.McMillan
Varying high clouds for most of the night.  Variable seeing in strong
north winds that caused us to close before morning twilight.  Telescope
and instruments worked perfectly.
                    ------- 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
--------------------------------------------------------------------------
 19:59 dis-slit   234( -136) 104  38   8.0  8.1  7.7  7.5  7.7   -  2.90
 21:03 dis-slit   197( -207) 124  46   8.1  7.6  7.8  7.2  7.5   -  1.70
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    45    16     20   297  (WNW)   1351  ptly cldy   none
     17:00    48    17     18   294  (WNW)    942  ptly cldy   none
     18:00    48    17      8   350    (N)    909  ptly cldy   none
     19:00    47    16     19   299  (WNW)    810  ptly cldy   none
     20:00    46    16     17   312   (NW)    668  ptly cldy   none
     21:00    47    17      7   347  (NNW)    709  ptly cldy   none
     22:00    45    17     13   311   (NW)    697 mstly clr    none
     23:00    44    17     22   357    (N)    646  ptly cldy   none
     00:00    43    18      3   340  (NNW)    516  ptly cldy   none
     01:00    42    17      1   347  (NNW)    644  ptly cldy   none
     02:00    40    18     17   347  (NNW)    904  ptly cldy   none
     03:00    39    19     27    16  (NNE)    788  ptly cldy   none
     04:00    39    19     28    15  (NNE)    422  ptly cldy   none
     05:00    40    19     40     8    (N)    254  ptly cldy   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: 1.8.6