Subject: 3.5m Night Log 20231201
From: ajt@apo.nmsu.edu
Date: Sat,  2 Dec 2023 11:47:32 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, December 01, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
EN01  B.Ketzeback       A.Townsend,R.McMillan,M.Croom
                        ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN01  TSPEC          --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN01/W      17:06  06:40  3.8  9.8    0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Completely overcast all night, with high humidity and snow/freezing fog; we didn't open. Light snow starting around 19:00. Ran Snow Program from about 22:15-03:30. We got maybe an inch of new snow on the ground.
Engineering tasks:
- Zeroed NA2 rotator (+0.10)
- Prospective grad spec visit
- Tested new dmg of TUI3.1.3 in Sonoma; no problems
- Scheduling
Dome is parked south.
                    ------- 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    29    22     24   251  (WSW)    725   cloudy     none
     17:00    29    22     13   261    (W)    589   cloudy     none
     18:00    28    21     18   269    (W)    416   cloudy     none
     19:00    28    21     14   269    (W)    346   cloudy   lt snow
     20:00    28    21     15   265    (W)    299   cloudy   lt snow
     21:00    27    24     12   268    (W)          cloudy   lt snow
     22:00    27    24     16   264    (W)          cloudy     snow
     23:00    24    24     20   295  (WNW)          cloudy     snow
     00:00    25    25     18   268    (W)          cloudy   lt snow
     01:00    25    24     15   269    (W)          cloudy   lt snow
     02:00    24    24     15   273    (W)          cloudy     fog
     03:00    23    23     15   297  (WNW)          cloudy     fog
     04:00    24    24     16   276    (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.
              ----------  TELESCOPE SOFTWARE  ----------
Current TCC version: 1.4.2
Current HUB version: v20171231_01
Current TUI version: 3.1.3