Subject: 3.5m Night Log 20220908
From: mcmillan@apo.nmsu.edu
Date: Fri,  9 Sep 2022 12:52:22 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, September 08, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
EN01  B.Ketzeback       R.McMillan,D.Thompson,M.Hoffmann
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN01  HSAR           22:40   04:25
EN01  SHACK          04:30   04:50
EN01  HSAR           04:55   06:25
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN01/R      19:27  01:10    0   3.2   0    0   0.0  2.5   0    0
EN01/R      01:10  06:35    0    0    0    0   0.8  4.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
More heavy hurricane-adjacent clouds at the start of the night, but again they thinned out near the middle of the night so we were able to open.  Lots of engineering for the visiting instrument ensued.  I also had time to check collimation the the Shack-Hartmann, which required no change, so that was the top on-sky engineering task done, and probably it also means a pointing model is not needed either.
                    ------- 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
--------------------------------------------------------------------------
 04:40 shack   350( 1505)  58  61  12.2 11.8 12.5 11.8 12.1   -  0.90
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    65    31      6   187    (S)   1815   cloudy     none
     17:00    68    31     11   213  (SSW)   1709   cloudy     none
     18:00    62    31     14   228   (SW)   1515   cloudy     none
     19:00    59    31      9   227   (SW)   1874 mstly cldy   none
     20:00    57    30      7   196  (SSW)   1936 mstly cldy   none
     21:00    58    31      8   207  (SSW)   1249 mstly cldy   none
     22:00    57    31      6   197  (SSW)   1630  ptly cldy   none
     23:00    56    30      8   205  (SSW)   1251  ptly cldy   none
     00:00    56    30      5   192  (SSW)   1201  ptly cldy   none
     01:00    55    30      5   188    (S)   1036  ptly cldy   none
     02:00    54    30      7   220   (SW)   2087 mstly clr    none
     03:00    55    30      1   201  (SSW)   1739 mstly clr    none
     04:00    56    32      5   296  (WNW)   1831 mstly clr    none
     05:00    55    31      2   345  (NNW)   1825  ptly cldy   none
     06:00    56    32      7   359    (N)   1434  ptly cldy   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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