Subject: 3.5m Night Log 20250726
From: dembicky@apo.nmsu.edu
Date: Sun, 27 Jul 2025 12:01:53 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, July 26, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM05  K.Sanderson       K.Sanderson
BY03  S.Call            S.Call
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM05  KOSMOS         21:35   23:56
BY03  TSPEC          01:15   05:39
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM05/R      20:15  01:10    0   1.3   0    0   3.5  0.1   0    0
BY03/R      01:10  06:05    0    0    0    0   4.9  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
I delayed opening at sunset due to nearby virga.
Restarted DATAQ.  I needed to power cycle it to bring back the PMMS devices.
No problems tonight.  Nice and clear once the clouds at sunset went away.
                    ------- 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
--------------------------------------------------------------------------
 22:01 kosmos   339( 1313) 182  63  17.5 19.6 19.6 19.2 18.1   --  0.95
 01:18 tcamera    399( 1500) 224  63  16.2 16.0 16.6 15.6 15.9   Ks  0.99
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    67    45      2   117  (ESE)    859  ptly cldy   none
     17:00    67    44      9   156  (SSE)    784  ptly cldy   none
     18:00    70    41      3   223   (SW)    752  ptly cldy   none
     19:00    68    43      2   192  (SSW)    739  ptly cldy   none
     20:00    67    43     13   135   (SE)    804  ptly cldy   none
     21:00    63    43     16    76  (ENE)   1101  ptly cldy   none
     22:00    64    44     13   112  (ESE)    930 mstly clr    none
     23:00    63    44     17   112  (ESE)   1010    clear     none
     00:00    62    45     17   124   (SE)   1192    clear     none
     01:00    61    47     18   112  (ESE)   1270    clear     none
     02:00    60    47      9   117  (ESE)   1185    clear     none
     03:00    62    44      2   134   (SE)   1156    clear     none
     04:00    61    48      3   137   (SE)           clear     none
     05:00    60    47      1   146   (SE)   1165    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