Subject: 3.5m Night Log 20251210
From: dembicky@apo.nmsu.edu
Date: Thu, 11 Dec 2025 13:55:24 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, December 10, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW02  P.Yoachim         Z.Xu
JH02  M.MacGregor       C.Ingebretsen
CU04  J.Sebastian       J.Sebastian
AP01  S.Merkowitz       R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW02  KOSMOS         17:06   21:00
JH02  NICFPS         21:12   00:04
CU04  KOSMOS         00:19   05:45
AP01  APOLLO         05:49   05:44
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW02/R      17:06  21:10    0    0    0    0   4.1  0.0   0    0
JH02/R      21:10  00:10    0    0    0    0   2.1  0.9   0    0
CU04/R      00:10  05:47    0    0    0    0   0.0  5.6   0    0
AP01/R      05:47  06:47    0    0    0    0   0.0  1.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
No problems tonight.  Nice and clear.  about 1.2-1.6 arc sec seeing.
                    ------- 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
--------------------------------------------------------------------------
 18:06 kosmos   464(  820) -85  70   4.4  5.5  5.5  5.1  4.4   --  1.20
 21:22 NICFPS     540( 1213) -59  50   4.0  3.5  4.3  3.6  3.9   H  0.93
 21:26 NA2gdr 48139(48139) -60  50   4.3  3.5  4.3  3.6  3.9   Clear  1.60
 00:29 khigh   440(  793)  -1  57   5.9  5.3  5.8  5.6  5.9   Clear  1.30
 05:57 APOLLO     525( 1760)  25  70   9.6  7.7  8.4  8.2  9.2   --  1.60
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    44    24     10   247  (WSW)    702    clear     none
     17:00    39    25      2   232   (SW)    566    clear     none
     18:00    40    23      8   356    (N)    438    clear     none
     19:00    40    23     19   353    (N)    496    clear     none
     20:00    39    23     11     1    (N)    475    clear     none
     21:00    41    24     20    19  (NNE)    329    clear     none
     22:00    43    24     13    20  (NNE)    318    clear     none
     23:00    43    24     16    23  (NNE)    313    clear     none
     00:00    43    24     23    30  (NNE)    206    clear     none
     01:00    44    25     33    19  (NNE)    176    clear     none
     02:00    43    24     23    20  (NNE)    139    clear     none
     03:00    45    20     25    25  (NNE)     74    clear     none
     04:00    47    18     18    34   (NE)     65    clear     none
     05:00    49    15     15    36   (NE)     60    clear     none
     06:00    49    11      8    92    (E)     52    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