Subject: 3.5m Night Log 20250911
From: tmcquaid@apo.nmsu.edu
Date: Fri, 12 Sep 2025 11:32:40 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, September 11, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
EN01  B.Ketzeback       A.Townsend,T.McQuaid
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN01  Echelle        19:00   21:30
EN01  NA2Guider      21:30   01:30
EN01  Echelle        01:30   02:30
EN01  ARCTIC         02:30   05:30
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN01/W      19:23  06:37    0    0    0    0   2.2  9.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.McQuaid, A.Townsend
Aside from some sparse clouds at the beginning of the night, weather was very good.
Restarted allsky camera at the start of the night.
Powercycled dataq twice tonight.
Engineering tasks completed:
Training new observing specialist
New pointing model
Filter wheels changed for upcoming programs
ARCSAT troubleshooting and training
                    ------- 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
--------------------------------------------------------------------------
 19:46 ecamera    457(  353) 276  62  15.8 16.9 17.3 17.1 15.9   ND3  0.84
 21:32 NA2gdr 41687(41687) 263  60  14.9 14.9 15.7 14.8 14.6   Red ND2  1.35
 01:42 ecamera    402(  105) 159  44  13.1 12.6 13.3 12.6 12.9   ND2  1.34
 03:34 arctic   417( 1166) 177  81  12.3 11.9 12.6 11.8 11.9   SDSS_r2  0.85
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    67    33     16   184    (S)    462    clear     none
     17:00    65    31     19   149  (SSE)    471    clear     none
     18:00    64    30     16   144   (SE)    486    clear     none
     19:00    62    29     18   144   (SE)    468    clear     none
     20:00    60    33     20   147  (SSE)    547    clear     none
     21:00    60    37     20   149  (SSE)    697 mstly clr    none
     22:00    58    39     23   142   (SE)    753 mstly clr    none
     23:00    57    41     19   124   (SE)    959 mstly clr    none
     00:00    56    45     17   123  (ESE)   1190 mstly clr    none
     01:00    56    45     21   133   (SE)    971    clear     none
     02:00    55    44     17   147  (SSE)    807    clear     none
     03:00    54    44     17   135   (SE)    885    clear     none
     04:00    55    44     16   148  (SSE)    757    clear     none
     05:00    56    42     16   144   (SE)    658    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