Subject: 3.5m Night Log 20230220
From: dembicky@apo.nmsu.edu
Date: Tue, 21 Feb 2023 11:53:33 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, February 20, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW08  C.Chandler        C.Chandler
BY02  M.Joner           B.Boizelle
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW08  ARCTIC         --:--   --:--
BY02  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW08/R      18:01  00:10   5.5  0.7   0    0   0.0  0.0   0    0
BY02/R      00:10  06:32   6.4   0    0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
We never opened tonight.  Clouds, fog, humidity and some light rain too.
                    ------- 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                 14   264    (W)          cloudy    humid
     17:00                 14   238  (WSW)          cloudy    humid
     18:00                 11   262    (W)          cloudy    humid
     19:00                 11   251  (WSW)          cloudy    humid
     20:00                 17   264    (W)          cloudy    humid
     21:00                 16   270    (W)          cloudy    humid
     22:00                 13   255  (WSW)          cloudy   lt rain
     23:00                 16   268    (W)          cloudy   lt rain
     00:00                 18   277    (W)          cloudy    humid
     01:00                 15   273    (W)          cloudy    humid
     02:00                 20   253  (WSW)          cloudy     none
     03:00                 14   269    (W)    676   cloudy     none
     04:00                 16   303  (WNW)          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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