Subject: 3.5m Night Log 20250123
From: cgray@apo.nmsu.edu
Date: Fri, 24 Jan 2025 14:12:07 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, January 23, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
GS01  D.Michael         M.Crenshaw
JH03  S.Li              S.Li
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
GS01  KOSMOS         18:15   00:10
JH03  ECHELLE        00:13   06:33
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
GS01/R      17:36  00:10    0    0    0    0   6.6  0.0   0    0
JH03/R      00:10  06:54    0    0    0    0   2.7  4.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
A clear, cold night! With very meh seeing. It took me quite awhile to get kosmos focused up. The temperature was -11 at sunset and, somehow kcam really powered through for 2-3 hours before getting stuck. We were able to use gcam to guide but it just took a little longer to get our targets in the slit since we had to use imaging mode.
The azimuth behaved beautifully! No problems whatsoever! I was getting a little twitching during A half. Winds were gusting just under the closure limit but there were no issues.
                    ------- 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
--------------------------------------------------------------------------
 18:35 khigh   235(  120)  -2  49  -10.4 -9.0 -8.9 -9.4 -10.3   --  2.01
 00:28 ecamera    275( -845) -112  65  -7.4 -8.9 -8.4 -8.9 -8.2   ND4  1.46
 02:36 ecamera    346( -634) 285  59  -4.0 -5.9 -5.5 -5.8 -4.7   ND1  1.32
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    16    -7      5   263    (W)    296    clear     none
     17:00    14    -8      0   339  (NNW)    347    clear     none
     18:00    12    -8     13    36   (NE)    272    clear     none
     19:00    13    -9     12     2    (N)    257    clear     none
     20:00    17   -18     11     3    (N)    110    clear     none
     21:00    16   -18     11    26  (NNE)    153    clear     none
     22:00    18   -24     28    22  (NNE)     97    clear     none
     23:00    15   -18     25    20  (NNE)    189    clear     none
     00:00    18   -21     23    22  (NNE)    110    clear     none
     01:00    22   -27     20    26  (NNE)     88    clear     none
     02:00    23   -30      5   349    (N)     61    clear     none
     03:00    26   -27      8     9    (N)     56    clear     none
     04:00    29   -24      6    10    (N)     41    clear     none
     05:00    28   -24      9   359    (N)     50    clear     none
     06:00    29   -21     12   330  (NNW)     63    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: 3.1.5