Subject: 3.5m Night Log 20250817
From: ajt@apo.nmsu.edu
Date: Mon, 18 Aug 2025 12:37:10 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, August 17, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW09  C.Chandler        C.Chandler,D.Singh
OU01  G.Jewett          G.Jewett
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW09  ARCTIC         --:--   --:--
OU01  ARCTIC         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW09/R      19:54  01:10   5.3   0    0    0   0.0  0.0   0    0
OU01/R      01:10  06:20   0.1  5.0   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Echelle all zeroes at checkout, restarted icc which fixed the problem.
All-sky camera had to be restarted early in the night but didn't freeze again after
that.
We got lots of rain tonight! And completely overcast skies with some fog. We didn't
open.
                    ------- 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    66    51      6   246  (WSW)    607  ptly cldy   none
     17:00    72    52      5   243  (WSW)    724  ptly cldy   none
     18:00    66    49      4   255  (WSW)    766 mstly cldy   rain
     19:00    57    52     12    89    (E)   2820   cloudy     rain
     20:00    56    51     18    81    (E)          cloudy     rain
     21:00    55    51     14    97    (E)          cloudy   lt rain
     22:00    56    50     11    92    (E)          cloudy   lt rain
     23:00    54    50      9    98    (E)          cloudy   lt rain
     00:00    55    50      7   138   (SE)          cloudy   lt rain
     01:00    56    48      4   188    (S)          cloudy     none
     02:00    55    48      6   273    (W)          cloudy     none
     03:00    55    50      7   264    (W)          cloudy     none
     04:00    55    50      8   222   (SW)          cloudy     none
     05:00    55    52      3   205  (SSW)          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: 3.1.8