Subject: 3.5m Night Log 20220119
From: mcmillan@apo.nmsu.edu
Date: Thu, 20 Jan 2022 11:40:51 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, January 19, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
EN01  B.Ketzeback       R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN01  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN01/W      17:32  06:56   1.5 11.9   0    0    0    0    0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
We got about 5 inches of snow at the observatory tonight, so no chance of observing.  I recovered the ARCTIC quad and did checks of ecam focus, ecam mask, and kosmos slit widths.
                    ------- 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    34    23      8   248  (WSW)    296 mstly cldy   none
     17:00    31    22      5   265    (W)    130 mstly cldy   none
     18:00    31    21      9   271    (W)    157   cloudy     none
     19:00    30    24      6   209  (SSW)    147   cloudy     none
     20:00    30    25      4   212  (SSW)          cloudy   lt snow
     21:00    29    25      5   181    (S)          cloudy     snow
     22:00    29    27      6   204  (SSW)          cloudy     snow
     23:00    27    27      6   237  (WSW)          cloudy   lt snow
     00:00    27    26      9   188    (S)          cloudy     fog
     01:00    26    25      7   189    (S)          cloudy     snow
     02:00    26    25      4   221   (SW)          cloudy     snow
     03:00    26    25      2   242  (WSW)          cloudy     fog
     04:00    25    25      9   218   (SW)          cloudy     fog
     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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