Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, June 24, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
BY04  E.Hintz           S.Felvus,G.Steed      
UW10  A.Heinze          A.Heinze              

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
BY04  TripleSpec     --      --      
UW10  Echelle        --      --

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
BY04/R      20:24  01:10    0   4.8   0    0   0.0  0.0   0    0
UW10/R      01:10  05:48   3.2  1.4   0    0   0.0  0.0   0    0

note: scheduled times listed include instrument change time

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

Stayed closed all night due to rain clouds overhead and in the vicinity. Some light rain interspersed throughout the night


                    ------- 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    79    32     12   262    (W)   1024 mstly cldy   none 
     17:00    79    33      9   245  (WSW)   1098 mstly cldy   none 
     18:00    80    32      9   262    (W)   1086 mstly cldy   none 
     19:00    75    35      1   198  (SSW)  12950 mstly cldy   none 
     20:00    70    42     12    69  (ENE)   2310   cloudy   lt rain
     21:00    68    46     14    89    (E)   3117   cloudy   lt rain
     22:00    67    45     18    82    (E)   2980   cloudy     none 
     23:00    62    49     19    75  (ENE)   3283   cloudy     none 
     00:00    61    48     17    57  (ENE)   3496   cloudy     none 
     01:00    62    47     14   114  (ESE)   3441   cloudy   lt rain
     02:00    64    45      2   240  (WSW)   2929   cloudy     none 
     03:00    64    43     12    18  (NNE)   2791 mstly cldy   none 
     04:00    64    42      9    46   (NE)   2398   cloudy     none 
     05:00    64    42      1   221   (SW)   2085  ptly 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: