Subject: 3.5m Night Log 20230117
From: mcmillan@apo.nmsu.edu
Date: Wed, 18 Jan 2023 11:20:38 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, January 17, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU05  H.Roberts         H.Roberts
UW02  P.Yoachim         P.Yoachim
NM04  M.Croom           M.Croom
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU05  KOSMOS         --:--   --:--
UW02  ARCTIC         --:--   --:--
NM04  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU05/R      17:30  21:25   3.9   0    0    0   0.0  0.0   0    0
UW02/R      21:25  00:10   2.8   0    0    0   0.0  0.0   0    0
NM04/R      00:10  06:56   3.7  3.1   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
For most of the night, we had snow, blowing snow, and freezing fog.  When the clouds improved, humidity remained high and also there was too much snow on the dome.  There was no chance of opening.
                    ------- 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                 36   244  (WSW)          cloudy   lt snow
     17:00                 19   252  (WSW)          cloudy   lt snow
     18:00                 29   233   (SW)          cloudy   lt snow
     19:00                 24   261    (W)          cloudy   lt snow
     20:00                 28   240  (WSW)          cloudy   lt snow
     21:00                 24   259    (W)          cloudy   lt snow
     22:00                 22   253  (WSW)          cloudy     fog
     23:00                 22   261    (W)          cloudy     fog
     00:00                 26   264    (W)        mstly cldy   fog
     01:00                 19   260    (W)        mstly cldy  humid
     02:00                 15   257  (WSW)        mstly cldy  humid
     03:00                  6   273    (W)          cloudy    humid
     04:00                 15   305   (NW)          cloudy    humid
     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: 2.6.0