Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, October 31, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
CU01  A.Stephens        A.Stephens            
NM05  E.Serviss         E.Serviss             

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU01  KOSMOS         --:--   --:--   
NM05  ECHELLE        --:--   --:--

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU01/R      18:22  01:10  5.1  1.7    0    0   0.0  0.0   0    0
NM05/R      01:10  06:13    0  6.1    0    0   0.0  0.0   0    0

note: scheduled times listed include instrument change time

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

Had to restart gcam nubs at start of shift. 

Clocks switched to MST so I added 1hr to lost time in B half.

Wasn't able to open due to cloud and fog and rain and humidity all 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    50    43      7   234   (SW)          cloudy     none 
     17:00    51    45     12   227   (SW)         ptly cldy   none 
     18:00    48    44     11   202  (SSW)        mstly clr   humid 
     19:00    45    43     12   148  (SSE)        mstly clr   humid 
     20:00    46    41     12   149  (SSE)         ptly cldy  humid 
     21:00    47    42     10   184    (S)          cloudy     rain 
     22:00    46    44     10   186    (S)          cloudy     rain 
     23:00    45    45     16   155  (SSE)          cloudy    humid 
     00:00    47    47     15   191    (S)          cloudy     fog  
     01:00    48    48     17   194  (SSW)          cloudy     fog  
     01:00    48    48     22   201  (SSW)          cloudy     fog  
     02:00    48    49     20   195  (SSW)          cloudy     fog  
     03:00    49    50     30   200  (SSW)          cloudy     fog  
     04:00    49    50     25   195  (SSW)          cloudy     fog  
     05:00    49    50     20   199  (SSW)          cloudy     fog  

     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