Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, September 14, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
WY01  M.Moe             M.Moe,S.Dandu         
UW01  P.Yoachim         Z.Xu,Z.Liu,D.Meng     
UW10  I.Chow            C.Chandler,J.Murtagh  

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
WY01  Echelle        --:--   --:--   
UW01  KOSMOS         --:--   --:--
UW10  ARCTIC         --:--   --:--

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
WY01/R      19:19  01:10    4.1   1.7    0    0   0   0   0    0
UW01/R      01:10  03:55    2.8   0    0    0   0  0.0   0    0
UW10/R      03:55  06:39    2.7   0    0    0   0  0.0   0    0

note: scheduled times listed include instrument change time

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

Dataq and obs2 were both logged out at start of night. Restarted windaq recording.

KVM1 computer restarted and did updates at 23:30. 

Bad weather all night, never opened. No 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    65    48     10   210  (SSW)    316 mstly clr    none 
     17:00    68    49      8   213  (SSW)    422 mstly clr    none 
     18:00    69    48     13   233   (SW)    490 mstly clr    none 
     19:00    63    48     10   225   (SW)    453  ptly cldy   none 
     20:00    62    48     10   232   (SW)    470  ptly cldy   none 
     21:00    61    48      8   206  (SSW)    541 mstly cldy   none 
     22:00    60    49      2   332  (NNW)   1560 mstly cldy   rain 
     23:00    58    50      1   286  (WNW)          cloudy     none 
     00:00    58    49      2   345  (NNW)          cloudy     none 
     01:00    58    49     15   262    (W)        mstly cldy   none 
     02:00    57    49     11    64  (ENE)        mstly cldy  humid 
     03:00    55    51     10   124   (SE)        mstly cldy  humid 
     04:00    55    50     11    87    (E)        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: 3.2.2