Subject: 3.5m Night Log 20251013
From: ajt@apo.nmsu.edu
Date: Tue, 14 Oct 2025 12:15:21 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, October 13, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU01  M.Kilic           M.Kilic
JH03  N.Zakamska        D.Bizyaev
AP01  S.Merkowitz       R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU01  TSPEC          --:--   --:--
JH03  ECHELLE        --:--   --:--
AP01  APOLLO         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU01/R      18:41  01:10   5.7  0.8   0    0   0.0  0.0   0    0
JH03/R      01:10  05:58    0   4.8   0    0   0.0  0.0   0    0
AP01/W      05:58  06:58    0   1.0   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Clouds and rain tonight, we stayed closed. No telescope problems.
Dewpoint (and dust) measurements in the weather log for tonight are inaccurate.
                    ------- 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    51    31     15   181    (S)    122   cloudy     none
     17:00    51    32     18   185    (S)    108   cloudy     none
     18:00    50    31     14   208  (SSW)    119   cloudy     none
     19:00    51    31     17   185    (S)    125   cloudy     none
     20:00    51    30     13   199  (SSW)    140   cloudy     none
     21:00    51    31     13   178    (S)    124   cloudy     none
     22:00    52    31     19   178    (S)    159   cloudy     none
     23:00    51    31     11   159  (SSE)    197   cloudy     none
     00:00    52    30      7   185    (S)    165   cloudy     rain
     01:00    51    31     20   131   (SE)    290   cloudy     rain
     02:00    52    31     16   139   (SE)  16206   cloudy     rain
     03:00    51    31     13   157  (SSE)    340   cloudy     rain
     04:00    52    31     20   165  (SSE)    158   cloudy    humid
     05:00    53    31     15   188    (S)    277   cloudy     fog
     06:00    54    32     21   192  (SSW)    652   cloudy     fog
     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