Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, January 26, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
AP01  S.Merkowitz       R.McMillan            
JH02  N.Oliveros-Gomez  N.Oliveros-Gomez      
JH01  C.Ingebretsen     C.Ingebretsen         

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
AP01  APOLLO         --:--   --:--   
JH02  NICFPS         --:--   --:--
JH01  ECHELLE        --:--   --:--

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
AP01/R      17:39  18:39    0   1.0   0    0   0.0  0.0   0    0
JH02/R      18:39  00:10    0   5.5   0    0   0.0  0.0   0    0
JH01/R      00:10  06:52   4.9  1.8   0    0   0.0  0.0   0    0

note: scheduled times listed include instrument change time

              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend

Did not open due to snow on dome and lack of utility power. No telescope or instrument problems. 

Telescope is parked at 104, 75 for nitrogren transfer. The only stop button engaged is the one in the control room. Morning LN2 fills are complete. 

                    ------- 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    25    18      2   258  (WSW)         ptly cldy   none 
     17:00    28    -9      1   270    (W)    938  ptly cldy   none 
     18:00    30   -20      4   236   (SW)    245  ptly cldy   none 
     19:00    30   -20      2   237  (WSW)    164  ptly cldy   none 
     20:00    28   -21      6   343  (NNW)    220  ptly cldy   none 
     21:00    27   -18      5   348  (NNW)    251  ptly cldy   none 
     22:00    26   -12      7     2    (N)    352  ptly cldy   none 
     23:00    27    -9      8   360    (N)    469  ptly cldy   none 
     00:00    27    -5     10     9    (N)    403  ptly cldy   none 
     01:00    26    -5     11    10    (N)    442 mstly cldy   none 
     02:00    26    -8      9    38   (NE)    478 mstly cldy   none 
     03:00    28    -7      5     1    (N)    407 mstly cldy   none 
     04:00    26    -4     11    26  (NNE)    664 mstly cldy   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