Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, October 11, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
CU04  Z.Berta-Thompson  Z.Berta-Thompson      
WY02  M.Brotherton      M.Brotherton,K.Zhang  
JH02  M.Karmen          M.Karmen              

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU04  KOSMOS         --:--   --:--   
WY02  KOSMOS         --:--   --:--
JH02  ARCTIC         --:--   --:--

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU04/R      18:43  01:10    6.1  0.3   0    0   0    0   0    0
WY02/R      01:10  03:10    2    0    0    0   0   0.0   0    0
JH02/R      03:10  06:57    3.8   0    0    0   0  0.0   0    0

note: scheduled times listed include instrument change time

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

A rain storm arrived at site just as the sun was setting. The rain was on and off for most of the night, and my early morning it was high humidity and clouds.

JH02 user and I called it a night around 5:50am. I 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    61    49     17   216   (SW)    561  ptly cldy   none 
     17:00    59    46     23   203  (SSW)    625  ptly cldy   none 
     18:00    58    45     23   211  (SSW)    666   cloudy     rain 
     19:00    50    49     13   221   (SW)          cloudy     rain 
     20:00    52    49     10   188    (S)          cloudy     rain 
     21:00    50    48     18   206  (SSW)          cloudy     rain 
     22:00    51    49     14   213  (SSW)          cloudy    humid 
     23:00    52    49     10   249  (WSW)          cloudy    humid 
     00:00    52    49     10   233   (SW)          cloudy     rain 
     01:00    52    47     13   268    (W)          cloudy     rain 
     02:00    50    49      6   258  (WSW)          cloudy    humid 
     03:00    52    47      7   282  (WNW)          cloudy    humid 
     04:00    52    47      8   268    (W)          cloudy    humid 
     05:00    51    47      8   264    (W)        mstly cldy  humid 
     06:00    50    47      8   265    (W)        mstly cldy  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: 3.2.2