Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, May 07, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
UW04  C.Chandler        C.Chandler,D.Singh    
NM08  A.Peck            A.Peck,E.Serviss      

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW04  ARCTIC         20:20   01:08   
NM08  ECHELLE        01:12   05:48

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW04/R      19:58  01:10    0    0    0    0   5.2  0.0   0    0
NM08/R      01:10  06:01    0    0    0    0   0.0  4.8   0    0

note: scheduled times listed include instrument change time

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

Powercycled dataq at checkout.

Restarted gcam nubs at checkout.

Beautiful clear skies to start the night. Opened at 20:20 since cals were being taken beforehand. 

It was a wonderful clear night with lots of good data that got taken. No problems tonight. 

                    ------- 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
--------------------------------------------------------------------------
 20:30 arctic   514( 1316) 103  73   9.0 12.9 12.4 12.8 10.0   SDSS_r  1.71
 01:16 ecamera    448(  -55) -52  73   9.7  8.6  9.3  8.3  9.2   clear  0.85

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

                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
	
     16:00    60    24     14   233   (SW)   1049    clear     none 
     17:00    53    19     15   266    (W)    998    clear     none 
     18:00    53    17      7   275    (W)   1054    clear     none 
     19:00    54    18      7   266    (W)   1003    clear     none 
     20:00    49    20      7   224   (SW)   1014    clear     none 
     21:00    50    18      5   246  (WSW)   1010    clear     none 
     22:00    49    18      4   242  (WSW)   1078    clear     none 
     23:00    48    18      6   240  (WSW)   1073    clear     none 
     00:00    49    17      5   260    (W)   1076    clear     none 
     01:00    49    18      7   262    (W)   1133    clear     none 
     02:00    49    19      5   259    (W)   1272    clear     none 
     03:00    49    19      3   243  (WSW)   1194    clear     none 
     04:00    49    17     11   306   (NW)   1031    clear     none 
     05:00    50    16      7   325   (NW)   1022    clear     none 
     06:00    48    17      8   321   (NW)   1067    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: 3.1.8