Subject: 3.5m Night Log 20250521
From: cgray@apo.nmsu.edu
Date: Thu, 22 May 2025 11:40:45 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, May 21, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU04  G.Garcia          G.Garcia
OU02  J.Serna           J.Serna
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU04  KOSMOS         20:09   01:06
OU02  ECHELLE        01:10   02:03
OU02  KOSMOS         02:08   05:30
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU04/R      20:09  01:10    0    0    0    0   5.0  0.0   0    0
OU02/R      01:10  05:51    0    0    0    0   1.6  3.1   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
A beautiful night!!!
Nice clear skies, good seeing, and no issues what so ever! I don't think I even saw a fiducial error. Even arcsat behaved itself!
No problems tonight.
                    ------- 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
--------------------------------------------------------------------------
 20:51 kosmos   216( 1301)  96  60  13.9 16.6 16.4 16.7 15.3   --  1.52
 01:19 ecamera    339(  349) 165  36  15.7 14.7 15.4 14.6 14.7   Clear  1.48
 05:38 klow   264( 1175) 104  80  13.5 13.1 13.7 12.9 13.1   --  1.13
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    66    19     16   266    (W)   1394    clear     none
     17:00    65    18     12   285  (WNW)   1289    clear     none
     18:00    65    18      9   274    (W)   1259    clear     none
     19:00    64    15     12   234   (SW)   1486    clear     none
     20:00    60    10     11   224   (SW)   1524    clear     none
     21:00    59     9     10   221   (SW)   1547    clear     none
     22:00    58     8     10   217   (SW)   1549    clear     none
     23:00    60     9     12   209  (SSW)   1646    clear     none
     00:00    60     9     12   237  (WSW)   1794    clear     none
     01:00    60     9      9   255  (WSW)   1827    clear     none
     02:00    60    11     10   263    (W)   1834    clear     none
     03:00    60     9      8   255  (WSW)   1783    clear     none
     04:00    59     9     11   237  (WSW)   2018    clear     none
     05:00    58     9      8   230   (SW)   2218    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