Subject: 3.5m Night Log 20251028
From: tsutherland@apo.nmsu.edu
Date: Wed, 29 Oct 2025 12:35:04 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, October 28, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU05  A.Kowalski        J.Libby-Roberts,P.Premnath
UW02  P.Yoachim         Z.Xu,Z.Liu
GS04  S.Lepine          Z.Way
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU05  ARCTIC         18:24   00:52
UW02  KOSMOS         01:10   04:01
GS04  ECHELLE        04:07   06:05
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU05/R      18:24  01:10    0    0    0    0   1.4  5.4   0    0
UW02/R      01:10  04:10    0    0    0    0   3.0  0.0   0    0
GS04/R      04:10  07:10    0    0    0    0   3.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Sutherland
Restarted dataq twice at start of night. And again at 3:30am.
Opened to vent at 18:00. Kept dome open until 6:25am for arcsat.
Weather was beautiful all night, and there were no telescope or instrument problems.
No morning IOL, cals were being taken.
                    ------- 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
--------------------------------------------------------------------------
 18:56 arctic   257(  940)   5  64   6.9 10.3 10.1  9.7  7.8   SDSS_r  1.14
 01:27 kosmos   397(  732) -24  58   4.7  5.0  5.8  4.8  4.6   --  0.95
 04:13 ecamera    414( -336) 101  61   3.8  3.2  4.0  3.3  3.3   clear  0.95
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    51     8      1   251  (WSW)    394    clear     none
     17:00    51     6      1   257  (WSW)    368    clear     none
     18:00    49     8      8   306   (NW)    391    clear     none
     19:00    45     6      3   311   (NW)    385    clear     none
     20:00    45    12     12    30  (NNE)    466    clear     none
     21:00    45    12     13     8    (N)    384    clear     none
     22:00    46     2     16    11    (N)    227    clear     none
     23:00    45     5      9   359    (N)    277    clear     none
     00:00    45     6      9     0    (N)    267    clear     none
     01:00    41    23     11    19  (NNE)    535    clear     none
     02:00    40    24      9   353    (N)    537    clear     none
     03:00    39    24      8   348  (NNW)    526    clear     none
     04:00    39    24      3   342  (NNW)    511    clear     none
     05:00    38    23      8   323   (NW)    543    clear     none
     06:00    38    23      8   332  (NNW)    526    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