Subject: 3.5m Night Log 20251213
From: ajt@apo.nmsu.edu
Date: Sun, 14 Dec 2025 13:53:06 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, December 13, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM03  T.McQuaid         T.McQuaid
WY02  M.Moe             C.Smith
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM03  ECHELLE        06:08   00:05
WY02  ECHELLE        00:05   06:05
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM03/R      17:07  00:10    0    0    0    0   7.1  0.0   0    0
WY02/R      00:10  06:49    0    0    0    0   1.9  4.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Mostly clear with some higher winds that brought in mediocre seeing in the middle of the night.
No telescope or instrument problems, even the ThAr lamp behaved all night!
                    ------- 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
--------------------------------------------------------------------------
 18:14 ecamera    525(   90) 215  71  10.2 10.0 10.3  9.8  9.9   Clear  0.64
 03:02 ecamera    499( -152)  80  59   6.6  5.3  5.6  5.3  6.6   ND3  1.37
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    49     1     15    17  (NNE)     98  ptly cldy   none
     17:00    51     0     13    18  (NNE)     75 mstly clr    none
     18:00    52     1     21    32  (NNE)     58    clear     none
     19:00    49    -1     22    66  (ENE)    155    clear     none
     20:00    48     1     19    58  (ENE)    130    clear     none
     21:00    43     7     30    79    (E)    284    clear     none
     22:00    39    12     22    70  (ENE)    586    clear     none
     23:00    38    15     23    74  (ENE)    845    clear     none
     00:00    38    16     17    84    (E)    798    clear     none
     01:00    42    12     10    92    (E)    455    clear     none
     02:00    44     8      8   115  (ESE)    275  ptly cldy   none
     03:00    45     6     10   120  (ESE)    175  ptly cldy   none
     04:00    44     8      6   148  (SSE)    263  ptly cldy   none
     05:00    45     7     10   156  (SSE)    219  ptly cldy   none
     06:00    44     8      9   146   (SE)    266  ptly cldy   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