From:
Subject: 3.5m Night Log 20110412
Date: Wed, 13 Apr 2011 12:41:27 +0000 (UTC)
                       Apache Point Observatory
                       3.5m Telescope Night Log
                       Tuesday, April 12, 2011
                                                        ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
W.Ketzeback       R.McMillan            Echelle,Tspec  19:50   20:40
S.Schmidt         S.Schmidt             Tspec          20:40   01:05
G.Stringfellow    G.Stringfellow        Tspec          01:05   06:24
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
--------------------------------------------------------------------
DD03/R     19:40   20:40    0    0    0   0.2  0.0  0.8   0    0
UW14/R     20:40   01:10    0    0    0    0   0.0  4.5   0    0
CU08/R     01:10   06:28    0    0   0.1   0   2.9  2.3   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist:    R.McMillan
A peaceful night with mostly clear skies and moderate seeing.
The echelle slitviewer ran with perfect reliability after some changes to
the computer during the day.  The triplespec slitviewer, on the other
hand, had a problem which I failed to catch during checkout so it cost a
little time on sky while I power cycled the controller.  Aside from one
weird image later on (t0353), the slitviewer worked well for the rest of
the night.
At UT 12:24 both altitude and azimuth stopped responding, messing up the
last nod script of the night.  They came back after an axis init but the
time was already lost.
                    ------- FAILURE LOG -------
PROG   INST   FAILURE MODE     TIME
    (SEDFNVOG)   TI/SHU    START  FINISH  DESCRIPTION
----------------------------------------------------------------------
DD03     T        I/H      20:15  20:25    tcam images all zero
CU08     T        T/S      06:24  06:28    az, alt not responding
            ---------------- FOCUS LOG ---------------
Time  Instrument  Focus     Az  El  Temp Strc Prim  Sec  Air  filt  FWHM
--------------------------------------------------------------------------
 19:50 ECHELLE   313( -864) 239  52   9.9 11.4 10.6 10.4 10.4   ND3  1.60
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    57    14     21   205  (SSW)   2047    clear     none
     17:00    59    15     25   231   (SW)   2216    clear     none
     18:00    55    13     19   233   (SW)   1835    clear     none
     19:00    54     9     20   245  (WSW)   1550    clear     none
     20:00    50     6     19   238  (WSW)   1251    clear     none
     21:00    51     6     14   264    (W)   1314    clear     none
     22:00    51     8     15   260    (W)   1279    clear     none
     23:00    50     7     11   227   (SW)   1304    clear     none
     00:00    50     8     14   208  (SSW)   1576    clear     none
     01:00    49     9     12   228   (SW)   1623    clear     none
     02:00    48    10     12   264    (W)   1579    clear     none
     03:00    47     8     23   295  (WNW)   1042    clear     none
     04:00    45    10      9   305   (NW)    792 mstly clr    none
     05:00    44    11     18   287  (WNW)    774 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: 2.14.0
    Current TUI version: 1.8.6