Subject: 3.5m Night Log 20200805
From: dembicky@apo.nmsu.edu
Date: Thu,  6 Aug 2020 12:15:39 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, August 05, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU06  J.Sebastian       J.Sebastian
CG01  C.Gray            S.Kovac, B.Stemock
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU06  ECHELLE        00:40   02:15
CG01  ECHELLE        --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU06/R      20:06  03:30   1.5  3.3   0    0   0.0  2.6   0    0
CG01/R      03:30  06:12    0   2.7   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
CLouds at the start with a few sprinkles thrown in for good measure.  We finally opened around 00:40 and were able to observe until 02:15 when clouds once again enveloped the site.  Rain started a little while later.  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
--------------------------------------------------------------------------
 00:50 ecamera     38( -311) -82  44  17.6 16.8 18.0 16.7 17.1   Clear  1.17
 01:44 ecamera    263(  -92) -148  47  17.4 16.7 17.6 16.6 17.0   Clear  0.83
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    55    27     18   145   (SE)          cloudy     rain
     17:00    57    31     14    78  (ENE)    833   cloudy     none
     18:00    60    33     15    78  (ENE)    728 mstly cldy   none
     19:00    64    31      9   111  (ESE)    712 mstly cldy   none
     20:00    62    33     18   114  (ESE)    707   cloudy     none
     21:00    63    31      8   165  (SSE)    615   cloudy     none
     22:00    60    33     10   330  (NNW)   1572   cloudy   lt rain
     23:00    60    33     12    66  (ENE)   1195 mstly cldy   none
     00:00    63    33      8   162  (SSE)    596  ptly cldy   none
     01:00    63    33     11   187    (S)    659  ptly cldy   none
     02:00    63    32     10   191    (S)    896 mstly cldy lt rain
     03:00    61    33     12   201  (SSW)    994   cloudy   lt rain
     04:00    62    27      9   186    (S)    916   cloudy     none
     05:00    61    30      5   181    (S)    804   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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