Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, April 30, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
EN01  B.Ketzeback       H.Abbot,R.McMillan    
                                              

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN01  KOSMOS         --:--   --:--   
                             

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN01/W      19:53  01:10    0  5.3    0    0   0.0  0.0   0    0
EN01/W      01:10  06:07  0.1  4.8    0    0   0.0  0.0   0    0

note: scheduled times listed include instrument change time

              ------------- ACTIVITY LOG --------------
Observing Specialist: H.Abbot

Weather was cloudy, humid, and/or rainy all night so couldn't do any on-sky tasks for engineering.
Software and controller restarts, obs-spec training, investigation of a KOSMOS slitviewer issue, homing sec and tert all completed.

No other telescope or instrument issues to report.

                    ------- 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    45    28     15   217   (SW)   1979   cloudy    humid 
     17:00    44    36     16   209  (SSW)          cloudy    humid 
     18:00    41    39     26   201  (SSW)          cloudy   lt rain
     19:00    40    33     25   188    (S)          cloudy   lt rain
     20:00    40    32     26   211  (SSW)          cloudy    humid 
     21:00    40    32     21   189    (S)          cloudy    humid 
     22:00    40    32     20   195  (SSW)         ptly cldy  humid 
     23:00    40    32     13   198  (SSW)          cloudy    humid 
     00:00    40    32     12   185    (S)          cloudy    humid 
     01:00    39    32      9   133   (SE)          cloudy    humid 
     02:00    39    32     10   126   (SE)          cloudy    humid 
     03:00    39    31      5   185    (S)          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