Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, December 31, 2025

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
OU03  G.Jewett          M.Killic  
OU04  G.Garcia          G.Garcia            

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU03  ARCTIC         --:--   --:--   
OU04  NICFPS         --:--   --:--

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU03/R      17:16  00:10    0   6.9   0    0   0.0  0.0   0    0
OU04/R      00:10  06:57   1.4  5.3   0    0   0.0  0.0   0    0

note: scheduled times listed include instrument change time

              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky

Happy New Year!

Unfortunately we had clouds all night long.  We never opened.

                    ------- 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    46    18      7   348  (NNW)    186  ptly cldy   none 
     17:00    45    23      9   351    (N)    194   cloudy     none 
     18:00    46    24     15   334  (NNW)    189   cloudy     none 
     19:00    47    23      6   345  (NNW)    245   cloudy     none 
     20:00    48    22     10   296  (WNW)    249   cloudy     none 
     21:00    46    20     12   289  (WNW)    255   cloudy   lt rain
     22:00    45    22     16   287  (WNW)    388   cloudy     none 
     23:00    46    26     10   303  (WNW)    353   cloudy     none 
     00:00    45    27     15   323   (NW)    373   cloudy     none 
     01:00    45    28     16   307   (NW)    387   cloudy     none 
     02:00    43    29     16   295  (WNW)    551   cloudy     none 
     03:00    40    29     16   317   (NW)    615   cloudy     rain 
     04:00    39    33     24   322   (NW)          cloudy     rain 

     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: 3.1.8