Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, October 23, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
GS03  T.Henry           J.Davidson            
AP01  S.Merkowitz       R.McMillan            
OU02  G.Garcia          G.Garcia              

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
GS03  DSSI           --:--   --:--   
AP01  APOLLO         --:--   --:--
OU02  NICFPS         --:--   --:--

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
GS03/R      18:29  23:55    0   5.4   0    0   0.0  0.0   0    0
AP01/R      23:55  01:10    0   1.2   0    0   0.0  0.0   0    0
OU02/R      01:10  07:06   1.5  4.5   0    0   0.0  0.0   0    0

note: scheduled times listed include instrument change time

              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky

Heavy rain at the start of the night then rain and clouds for the rest of the night.

I zero'ed the NA2 rotator for the DSSI folks when I took their instrument off.  -0.025

I gave up at 04:20 with lots of clouds overhead and more streaming at us from the South.

                    ------- 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    59    48     20   195  (SSW)    455   cloudy     none 
     17:00    55    47     14   185    (S)          cloudy   lt rain
     18:00    53    48     21   127   (SE)          cloudy     rain 
     19:00    46    42     16   247  (WSW)          cloudy     rain 
     20:00    46    43     37   181    (S)          cloudy     rain 
     21:00    44    42     19   163  (SSE)          cloudy     rain 
     22:00    45    43     20   159  (SSE)          cloudy   lt rain
     23:00    49    40     25   176    (S)    424   cloudy   lt rain
     00:00    50    42     23   155  (SSE)          cloudy     none 
     01:00    49    45     15   191    (S)          cloudy     none 
     02:00    47    45     26   129   (SE)          cloudy    humid 
     03:00    46    45     19   133   (SE)          cloudy    humid 
     04:00    48    39     20   159  (SSE)          cloudy     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