Subject: 3.5m Night Log 20250110
From: tsutherland@apo.nmsu.edu
Date: Sat, 11 Jan 2025 13:54:24 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, January 10, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW07  C.Chandler        C.Chandler,M.Frissell
UW08  S.Hawley          S.Hawley,L.Hebb
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW07  ARCTIC         17:36   19:00
UW08  ECHELLE        00:40   06:38
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW07/R      17:25  00:10    0   5.2   0    0   0.0  1.6   0    0
UW08/R      00:10  06:58   0.5   0    0    0   1.1  5.2   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Sutherland,R.McMillan
Closed at 7:00pm for high wind and dust. It's possible snow was blown onto the mirror.
Otherwise a quiet night. No telescope problems or anything.
                    ------- 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
--------------------------------------------------------------------------
 18:31 arctic   325(  332) -52  38  -9.1 -8.7 -8.4 -8.9 -8.8   CUVR  2.19
 00:54 ecamera    567( -357) -12  72  -1.2 -4.6 -5.4 -3.7 -1.8   clear  1.91
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    15     7      9     1    (N)           clear    humid
     17:00    14     9     15     3    (N)           clear    humid
     18:00    16     4     34    14  (NNE)           clear    humid
     19:00    19    -8     19    60  (ENE)   5035    clear     dust
     20:00    20   -10     28    37   (NE)    567    clear     none
     21:00    20     3     18    17  (NNE)    243    clear     none
     22:00    21     2     24    22  (NNE)    290    clear     none
     23:00    22    -4     29    23  (NNE)    427    clear     none
     00:00    24    -4     16    31  (NNE)    160    clear     none
     01:00    32     2     23    15  (NNE)    130    clear     none
     02:00    33     2      8   355    (N)     66    clear     none
     03:00    37     4      3   340  (NNW)     50    clear     none
     04:00    37     9      6   299  (WNW)     50    clear     none
     05:00    35    12     20    18  (NNE)     64    clear     none
     06:00    38    15     13   322   (NW)     51    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: 3.1.5