Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, July 26, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
EN02  C.Smith           A.Townsend,R.McMillan 

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN02  NA2GDR         21:00   23:10   
EN02  NA2GDR         03:10   05:00

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN02/W      20:15  01:10    0   2.0   0    0   0.0  2.9   0    0
EN02/W      01:10  06:05    0   2.0   0    0   1.8  1.1   0    0

note: scheduled times listed include instrument change time

              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend

More shutown recovery! 
- NA2Guider instrument block
- Troubleshooting KOSMOS network switch error
- Wiki updates on kosmos-calpower problem
- 20 point pointing model, implemented and spot checked. 

Closed up in the middle of the night due to nearby radar, stayed closed until the clouds and elevated dust counts abated. 

ARCTIC LL fully saturated at checkout, did not quite fully recover before this morning at 05:00. 


                    ------- 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
--------------------------------------------------------------------------
 21:46 guider   304( 1594) 101  61  20.8 22.1 21.7 21.7 20.9   Clear  1.19


               ------------- WEATHER LOG ----------------

                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    69    54      2   244  (WSW)   1386 mstly clr    none 
     17:00    75    51     12   197  (SSW)   1332 mstly clr    none 
     18:00    73    48      4   258  (WSW)   1455 mstly clr    none 
     19:00    74    49     11   225   (SW)   1370 mstly clr    none 
     20:00    70    49      3   246  (WSW)   1365 mstly clr    none 
     21:00    70    47      3   254  (WSW)   1374 mstly clr    none 
     22:00    69    48      4   198  (SSW)   1435  ptly cldy   none 
     23:00    68    47      3   241  (WSW)   1551  ptly cldy   none 
     00:00    69    45      2   216   (SW)   1545  ptly cldy   none 
     01:00    65    50     10   146   (SE)   2854  ptly cldy   none 
     02:00    66    48      2   181    (S)   2443 mstly clr    none 
     03:00    66    45      4   203  (SSW)   1924    clear     none 
     04:00    65    47      5   306   (NW)   1569    clear     none 
     05:00    68    46      5   354    (N)   1473    clear     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