Subject: 3.5m Night Log 20241103
From: dembicky@apo.nmsu.edu
Date: Mon,  4 Nov 2024 11:12:28 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, November 03, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
BY04  M.Joner           B.Boizelle
CU04  Z.Berta-Thompson  Z.Berta-Thompson
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
BY04  KOSMOS         --:--   --:--
CU04  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
BY04/R      17:19  00:10   5.7  1.1   0    0   0.0  0.0   0    0
CU04/R      00:10  06:16   6.1   0    0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
First snow of the season this afternoon!  It was sticking to the ground but the ground was too warm so it didn't stick long.  They are saying more tonight, stay tuned.
I could not move the NA2 rotator during checkout (and later I could not move the alt/az axis either).  I needed to reset the drive controllers to fix.
Clouods, humidity, and a little dusting of snow kept us closed all night.
Morning fills will be carried out by the daystaff per Bill for MST.  I did not do any moring fills.
We also got a dusting of snow that stuck to the ground, as of 04:00.  Roads may be slick as the temps has dropped below freezing for the past several hours.
                    ------- FAILURE LOG -------
              FAILURE MODE     TIME
PROG   INSTR     TI/SHU    START  FINISH  DESCRIPTION
----------------------------------------------------------------------
BY04   KOSMOS     T/H      --:--  --:--  Rot1 drive cocntrller needed to be rebooted at start
                                         of the night.
            ---------------- 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    32     22   237  (WSW)          cloudy   lt snow
     17:00    34    32     13   254  (WSW)          cloudy     fog
     18:00    33    33     10   257  (WSW)          cloudy     fog
     19:00    35    32     27   247  (WSW)          cloudy   lt rain
     20:00    32    33     14   265    (W)          cloudy     fog
     21:00    33    32     21   261    (W)          cloudy     fog
     22:00    34    32     15   266    (W)          cloudy     fog
     23:00    33    32     22   200  (SSW)          cloudy     fog
     00:00    30    32     22   228   (SW)          cloudy   lt snow
     01:00    28    30     24   201  (SSW)          cloudy     fog
     02:00    28    29     21   203  (SSW)          cloudy     fog
     03:00    27    28     20   235   (SW)          cloudy   lt snow
     04:00    27    28     18   233   (SW)          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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