Subject: 3.5m Night Log 20250216
From: ajt@apo.nmsu.edu
Date: Mon, 17 Feb 2025 13:53:13 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, February 16, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW03  A.Heinze          A.Heinze
UW01  P.Yoachim         D.Meng,Z.Xu,Z.Liu
NM07  A.Smith           A.Smith,A.Abbas
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW03  ECHELLE        17:58   00:10
UW01  KOSMOS         00:13   02:25
NM07  ECHELLE        02:30   06:35
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW03/R      17:58  00:10    0    0    0    0   3.8  2.4   0    0
UW01/R      00:10  02:45    0    0    0    0   0.0  2.6   0    0
NM07/R      02:45  06:35    0    0    0    0   0.0  3.8   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Thin clouds but good seeing tonight.
UW01 finished up a few minutes early and donated the rest of their time to NM07.
No telescope or instrument 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
--------------------------------------------------------------------------
 18:16 ecamera    419(   -7)  29  63   3.6  5.8  4.9  5.6  4.5   ND4  0.70
 00:23 kosmos   320(  669)  12  58   2.0  1.0  2.2  1.5  1.7   --  0.74
 02:36 ecamera    319( -299) -16  46   2.6  1.5  2.9  2.4  2.4   ND4  0.94
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    41    13      2   352    (N)    317 mstly clr    none
     17:00    41    12      7   342  (NNW)    305 mstly clr    none
     18:00    40    10      6   287  (WNW)    122 mstly clr    none
     19:00    39    10      8   292  (WNW)     79 mstly clr    none
     20:00    40     4      8   268    (W)    109 mstly clr    none
     21:00    39     0     10   233   (SW)    161 mstly clr    none
     22:00    38     1     11   222   (SW)    226 mstly clr    none
     23:00    36     0      9   188    (S)    324 mstly clr    none
     00:00    36    -1     15   196  (SSW)    522 mstly clr    none
     01:00    36     4     13   198  (SSW)    654 mstly clr    none
     02:00    38    -8     12   221   (SW)    437 mstly clr    none
     03:00    37     0     10   226   (SW)    558 mstly clr    none
     04:00    37     3     14   246  (WSW)    577 mstly clr    none
     05:00    37     7     14   259    (W)    621    clear     none
     06:00    36    13     13   257  (WSW)   1100    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.
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Current HUB version: v20171231_01
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