Subject: 3.5m Night Log 20210422
From: decolib@apo.nmsu.edu
Date: Fri, 23 Apr 2021 12:02:18 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, April 22, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW01  S.Hawley          J.Wisniewski,M.Maney,M.Schutte,L.Hebb,C.Canas,G.Stefansson
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW01  ARCTIC         19:44   05:23
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW01/R      19:47  06:16    0    0    0    0   1.7  8.8   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: D.DeColibus
An uneventful night, except for the clouds. Lots of clouds. The observer called it a night around 05:30.
                    ------- 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
--------------------------------------------------------------------------
 20:09 arctic   660( 1012)  77  79   8.0  8.7  8.8  8.4  8.1   SDSS_i  0.95
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    49     9     27   262    (W)   2276 mstly cldy   none
     17:00    50     8     20   257  (WSW)   2612 mstly clr    none
     18:00    51    12     24   267    (W)   2668 mstly clr    none
     19:00    49    10     22   263    (W)   2748 mstly clr    none
     20:00    46    12     23   256  (WSW)   2243  ptly cldy   none
     21:00    46    12     19   243  (WSW)   2025 mstly cldy   none
     22:00    45    12     13   261    (W)   2076  ptly cldy   none
     23:00    44    12     19   248  (WSW)   1909  ptly cldy   none
     00:00    43    12     17   270    (W)   1998  ptly cldy   none
     01:00    42    14     20   263    (W)   2012  ptly cldy   none
     02:00    41    15     18   257  (WSW)   2056 mstly cldy   none
     03:00    40    14     15   259    (W)   2079 mstly cldy   none
     04:00    39    11     16   267    (W)   2033   cloudy     none
     05:00    38     8     13   276    (W)   1921   cloudy     none
     06:00    37     9     20   272    (W)   1836   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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