Subject: 3.5m Night Log 20220618
From: dembicky@apo.nmsu.edu
Date: Sun, 19 Jun 2022 10:02:55 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, June 18, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM03  K.Sanderson       K.Sanderson
OU02  J.Wisniewski      J.Libby-Roberts
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM03  KOSMOS         --:--   --:--
OU02  ARCTIC         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM03/R      20:23  01:10   4.0  0.8   0    0   0.0  0.0   0    0
OU02/R      01:10  05:46    0   4.6   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Elevated dust levels all night kept us closed.  Lower than the past two nights but still over our closure limit.  We also had a few sprinkles around 01:00.
We closed up at 04:00 as my observer could not get much useful as the transit would be over after that point.
                    ------- 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    72    31     23   213  (SSW)   7118  ptly cldy   dust
     17:00    74    23      9   137   (SE)   3978  ptly cldy   dust
     18:00    73    30     19   200  (SSW)   5454 mstly clr    dust
     19:00    71    34     13   197  (SSW)   7036 mstly clr    dust
     20:00    65    38     26   150  (SSE)   8748 mstly clr    dust
     21:00    63    36     17   109  (ESE)   6452  ptly cldy   dust
     22:00    62    37     24   122  (ESE)   4955 mstly cldy   dust
     23:00    60    32     15   112  (ESE)   4773   cloudy     dust
     00:00    60    31     12   113  (ESE)   4648   cloudy     dust
     01:00    59    32     15   142   (SE)   4819   cloudy   lt rain
     02:00    58    30     19   141   (SE)   4785  ptly cldy   dust
     03:00    57    32     18   155  (SSE)   5220 mstly clr    dust
     04:00    56    31     13   154  (SSE)   4884 mstly clr    dust
     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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