Subject: 3.5m Night Log 20210213
From: dembicky@apo.nmsu.edu
Date: Sun, 14 Feb 2021 11:46:57 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, February 13, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW05  M.Graham          M.Graham
NM06  J.Burchett        J.Burchett
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW05  DIS            --:--   --:--
NM06  ARCTIC         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW05/R      17:56  00:10   4.3  1.9   0    0   0.0  0.0   0    0
NM06/R      00:10  06:39   6.5   0    0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
I started the snow program running around 02:15 as we were starting to accumulate some snow on the ground.
At 4AM we had about 1 in of fresh snow with light flurries.  Looks like lots more precip heading our direction.
                    ------- 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    32    24     24   210  (SSW)    914   cloudy     none
     17:00    31    24     22   194  (SSW)    947   cloudy     none
     18:00    30    24     34   183    (S)    760 mstly clr    none
     19:00    31    21     30   198  (SSW)    939  ptly cldy   none
     20:00    32    19     15   206  (SSW)    763  ptly cldy   none
     21:00    32    19     29   199  (SSW)    653   cloudy     none
     22:00    31    18     21   199  (SSW)    755   cloudy     none
     23:00    29    19     16   203  (SSW)    745   cloudy   lt snow
     00:00    28    21     23   217   (SW)   3931   cloudy     snow
     01:00    25    25     20   205  (SSW)          cloudy     snow
     02:00    25    24     27   231   (SW)          cloudy   lt snow
     03:00    23    22     20   239  (WSW)          cloudy   lt snow
     04:00    23    23     24   241  (WSW)          cloudy   lt snow
     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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