Subject: 3.5m Night Log 20240823
From: cgray@apo.nmsu.edu
Date: Sat, 24 Aug 2024 10:49:35 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, August 23, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
EN02  B.Ketzeback       C.Gray, A.Townsend, T.Sutherland, R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN02  Arctic         21:30   23:20
EN02  Shack          23:30   02:30
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN02/W      19:47  06:25    0    0    0    0   2.4  8.2   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
Arctic needed an init during checkout and a quad dropped. We will recover it tomorrow.
Collimation was the main goal of the night. We were able to make M1 corrections as well as run Shack-Hartmann and make M2 corrections. It was slow going but it finally makes more sense! Much documentation is being written.
There was radar at the beginning of the night and then after midnight. Things started getting real touch and go and we closed around 2:30 due to clouds. Around 3:30 some light rain started.
No problems tonight.
                    ------- 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
--------------------------------------------------------------------------
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    68    42     20   218   (SW)   1092  ptly cldy   none
     17:00    69    40      6   191    (S)    744  ptly cldy   none
     18:00    72    40      9   188    (S)    903  ptly cldy   none
     19:00    68    39     11   140   (SE)   1424  ptly cldy   none
     20:00    67    37     14   159  (SSE)    959 mstly clr    none
     21:00    67    36     18   151  (SSE)    875 mstly clr    none
     22:00    66    35     17   146   (SE)    870 mstly clr    none
     23:00    67    36     14   145   (SE)    852  ptly cldy   none
     00:00    67    35     16   181    (S)    934  ptly cldy   none
     01:00    66    35     14   186    (S)   1233 mstly cldy   none
     02:00    65    35     15   183    (S)   1446 mstly cldy   none
     03:00    62    38     22   151  (SSE)    978 mstly cldy lt rain
     04:00    60    45     23   128   (SE)   1281  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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