Subject: 3.5m Night Log 20230219
From: dembicky@apo.nmsu.edu
Date: Mon, 20 Feb 2023 11:42:14 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, February 19, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU06  J.Bally           J.Bally
UV03  T.Thuan           Y.Izotov
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU06  ARCTIC         --:--   --:--
UV03  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU06/R      18:01  00:10   6.2   0    0    0   0.0  0.0   0    0
UV03/R      00:10  06:33   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
Rain and fog today and tonight.  Not much in the way of snow, but the rain on the sidewalks and the near freezing temps made it slippery.
                    ------- 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                 23   237  (WSW)          cloudy     fog
     17:00                 22   261    (W)          cloudy     fog
     18:00                 22   239  (WSW)          cloudy     fog
     19:00                 20   265    (W)          cloudy     fog
     20:00                 25   248  (WSW)          cloudy     fog
     21:00                 27   238  (WSW)          cloudy     fog
     22:00                 22   267    (W)          cloudy     fog
     23:00                 29   256  (WSW)          cloudy     fog
     00:00                 20   250  (WSW)          cloudy     fog
     01:00                 22   253  (WSW)          cloudy     fog
     02:00                 29   246  (WSW)          cloudy     fog
     03:00                 30   263    (W)          cloudy     fog
     04:00                 22   260    (W)          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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