Subject: 3.5m Night Log 20250525
From: ajt@apo.nmsu.edu
Date: Mon, 26 May 2025 11:42:32 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, May 25, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU05  M.Kilic           A.Moss
OU02  J.Serna           J.Serna
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU05  KOSMOS         20:13   01:05
OU02  KOSMOS         01:08   04:50
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU05/R      20:11  01:10    0    0    0    0   5.0  0.0   0    0
OU02/R      01:10  05:49    0    0    0    0   4.0  0.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Clear sky, decent seeing. Finished up on sky at the start of twilight.
Focused kcam low at 1550 since it was a bit blurry at 1700.
ARCTIC and Agile are warm as expected but no other instrument or telescope problems.
                    ------- 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
--------------------------------------------------------------------------
 20:43 kosmos   285( 1298) 106  71  14.0 15.3 15.8 14.4 13.7   --  1.01
 01:19 klow   250( 1119) 165  37  12.7 11.7 12.5 11.4 11.9   --  1.28
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    68    18     22   237  (WSW)   1799    clear     none
     17:00    69    18     17   207  (SSW)   1994    clear     none
     18:00    66    17     12   218   (SW)   1948    clear     none
     19:00    63    14     13   224   (SW)   2355    clear     none
     20:00    58     8     17   261    (W)   2981    clear     none
     21:00    57     6     14   262    (W)   2812    clear     none
     22:00    56     6     16   268    (W)   3922    clear     none
     23:00    54     4     10   262    (W)   2394    clear     none
     00:00    55     4     10   265    (W)   2038    clear     none
     01:00    54     3     15   296  (WNW)   1743    clear     none
     02:00    55     4     11   275    (W)   1578    clear     none
     03:00    53     3     12   274    (W)   1950    clear     none
     04:00    53     3      6   288  (WNW)   1934    clear     none
     05:00    53     2     11   269    (W)   1891    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