Subject: 3.5m Night Log 20191107
From: dembicky@apo.nmsu.edu
Date: Fri,  8 Nov 2019 12:20:34 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, November 07, 2019
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW01  B.Morris          B.Morris, G.Stefansson, J.Wisnewski, M.Shutte
WY02  M.Brotherton      A.Cavanaugh
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW01  ARCTIC         --:--   --:--
WY02  TSPEC          01:40   04:40
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW01/R      17:16  00:10    0   6.9   0    0   0.0  0.0   0    0
WY02/R      00:10  06:18   1.6  1.5   0    0   1.9  1.1   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Clouds and fog started the night, then we had partly cloudy skies (off and on) but high humidity.
We opened around 01:30 with still farily high humidity but I felt it safe enough to open (left fans off and louvers closed).
We closed at 04:40 due to humidity again.  We never re-opened.
                    ------- 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
--------------------------------------------------------------------------
 01:50 tcamera    648(  872)  96  57   3.8  4.7  8.6  4.2  3.8   Ks  1.20
 03:19 tcamera   1050( 1259) 100  40   4.1  4.1  7.4  4.0  3.9   Ks  1.60
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    40    32      4   191    (S)          cloudy     fog
     17:00    39    32      1   208  (SSW)          cloudy     fog
     18:00    38    31      1   210  (SSW)          cloudy     fog
     19:00    38    32      1   299  (WNW)          cloudy     fog
     20:00    37    32      6    15  (NNE)        mstly cldy  humid
     21:00    37    31      2   271    (W)        mstly cldy  humid
     22:00    39    31      5   346  (NNW)        mstly cldy  humid
     23:00    39    31      8   318   (NW)         ptly cldy  humid
     00:00    39    31      5   356    (N)         ptly cldy  humid
     01:00    37    31      8   357    (N)         ptly cldy  humid
     02:00    39    31     10   344  (NNW)         ptly cldy   none
     03:00    39    31      7   354    (N)         ptly cldy   none
     04:00    39    32     11   360    (N)         ptly cldy  humid
     05:00    37    32     12    32  (NNE)         ptly cldy  humid
     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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