Subject: 3.5m Night Log 20221110
From: mcmillan@apo.nmsu.edu
Date: Fri, 11 Nov 2022 10:36:46 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, November 10, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
EN01  B.Ketzeback       B.Ketzeback,R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN01  GUIDER         21:00   21:40
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN01/R      17:14  00:10    0   2.1   0    0   1.3  3.5   0    0
EN01/R      00:10  06:21    0   6.2   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Significant problems with the altitude motor kept us from completing any on-sky tasks tonight, aside from a few brief pointing checks.  Since we were actively working on this issue I did log even the dome-closed time as OBS for engineering purposes, rather than being lost to EQUIP.  Right about the time we gave up trying on altitude (around 22:00), clouds moved in so we would not have been able to do on-sky work after that point anyway.  I did some in-dome work with DIS while closed, and the visiting instrument team spent some time preparing their instrument as well.
                    ------- FAILURE LOG -------
              FAILURE MODE     TIME
PROG   INSTR     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    39    22     12   269    (W)    421    clear     none
     17:00    38    23     13   268    (W)    473    clear     none
     18:00    36    24      8   262    (W)    521    clear     none
     19:00    35    24      9   245  (WSW)    559    clear     none
     20:00    37    24     19   219   (SW)    617    clear     none
     21:00    36    25     13   269    (W)    549  ptly cldy   none
     22:00    36    26     16   272    (W)    755  ptly cldy   none
     23:00    35    26     14   281    (W)    706 mstly cldy   none
     00:00    35    25     15   274    (W)    649   cloudy     none
     01:00    35    26     19   248  (WSW)    701   cloudy     none
     02:00    35    26     10   266    (W)    663   cloudy     none
     03:00    33    25     16   270    (W)    534   cloudy     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.
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