Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, January 25, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
BY02  S.Turner          S.Turner              
BY02  S.Turner          S.Turner              

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
BY02  NICFPS         --:--   --:--   
BY02  NICFPS         --:--   --:--

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
BY02/R      17:38  00:10    0    6.5    0    0   0.0   0   0    0
BY02/R      00:10  06:53    6.1    0.7    0    0   0   0   0    0

note: scheduled times listed include instrument change time

              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Sutherland

Stopped now program at 14:00 since the snow stopped. 

Didn't open tonight due to snow on the dome.

No telescope or instrument problems tonight.

                    ------- 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    16     9     14   324   (NW)           clear     none 
     17:00    17    11     10    10    (N)           clear     none 
     18:00    17    11     13   312   (NW)           clear     none 
     19:00    21    20     17   281    (W)           clear     fog  
     20:00    22    22     15   267    (W)           clear     fog  
     21:00    22    22     20   296  (WNW)           clear     fog  
     22:00    21    21     15   303  (WNW)           clear     none 
     23:00    20    19      1   287  (WNW)           clear     none 
     00:00    17    15     23    22  (NNE)           clear     none 
     01:00    16    10      7   352    (N)           clear     none 
     02:00    16     9      9    21  (NNE)           clear     none 
     03:00    16     8     36    28  (NNE)           clear     none 
     04:00    15     7     40    22  (NNE)           clear     none 
     05:00    14     4     24    11    (N)           clear     none 
     06:00    16    -2     31    22  (NNE)   2118    clear     none 



     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