Subject: 3.5m Night Log 20200914
From: trudyk@apo.nmsu.edu
Date: Tue, 15 Sep 2020 12:59:50 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, September 14, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM04  C.Churchill       P.Holguin,M.Croom,B.Stemock,F.Hasan
UW06  M.Graham          M.Graham
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM04  DIS            20:30   01:10
UW06  DIS            01:10   06:30
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM04/R      19:18  01:10    0    0    0    0   5.9  0.0   0    0
UW06/R      01:10  06:39    0    0    0    0   3.3  2.1   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Rudyk
Rain this afternoon, and high humidity. It started to clear around sunset. The shutters gave us a little scare refusing to open, but that seemed to resolve itself quickly. Nonetheless, we were extra cautious in opening, in case we could not close again and had to manually move the shutters. It was overcast anyway. Clouds began to blow out around 20:00. We opened at 20:30. Winds were low and seeing was fair to average. We stayed open the rest of the night.
                    ------- 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
--------------------------------------------------------------------------
 20:33 dcamera    546(  802)  95  55   8.8 10.3 10.4 10.4  9.2   -  1.22
 21:35 dcamera    529(  732)  87  68   9.0  9.3  9.8  9.2  9.1   -  1.32
 01:15 dcamera    533(  699) -63  64   8.9  8.4  8.9  8.4  8.4   -  1.23
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    50    30      9    84    (E)          cloudy     rain
     17:00    50    30      7    71  (ENE)        mstly cldy  humid
     18:00    48    30     18    61  (ENE)        mstly cldy  humid
     19:00    48    30     14    75  (ENE)        mstly cldy   none
     20:00    48    30     14    60  (ENE)    879  ptly cldy   none
     21:00    48    30     18    71  (ENE)    801  ptly cldy   none
     22:00    48    30     17    76  (ENE)    717 mstly clr    none
     23:00    49    30     14    84    (E)    763 mstly clr    none
     00:00    48    30      9    89    (E)    620    clear     none
     01:00    47    30     10    85    (E)    683    clear     none
     02:00    49    30      9    97    (E)    625    clear     none
     03:00    49    30      9    83    (E)    637    clear     none
     04:00    48    30      6    92    (E)    648    clear     none
     05:00    47    30      9   113  (ESE)    545    clear     none
     06:00    48    30     11   111  (ESE)    558    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.
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