Subject: 3.5m Night Log 20200617
From: cgray@apo.nmsu.edu
Date: Thu, 18 Jun 2020 11:50:34 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, June 17, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
FG01  D.Buzasi          D.Buzasi
NA02  A.Diamond-Stanic  A.Diamond-Stanic and class
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
FG01  ECHELLE        20:23   01:04
NA02  DIS            01:08   05:01
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
FG01/R      20:23  01:10    0    0    0    0   4.8  0.0   0    0
NA02/R      01:10  05:46    0    0    0    0   2.8  1.8   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
The night started out clear with storms staying far to the east. We had good seeing for the beginning of the night, 0.98" for ecam an hour after sunset (but I must have forgotten to hit the Start button on the nightlog Focus as it didn't record).
NA02 had their first night on sky and, aside from some butter fingers on the slew stop button, they did great! Clouds started rolling in around 23:00 and were on an off until they became thicker at 3am. Nothing too bad, we were still able to punch through.
When I closed up I noticed Venus (like you do) but also smoke. The wind shifted from south the north west and we might be getting some of the smoke from the Gila or Arizona fires.
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
--------------------------------------------------------------------------
 01:16 dcamera    540( 1062) -99  63  16.1 16.0 16.7 15.9 16.1   --  1.30
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    70    29     19   243  (WSW)    575    clear     none
     17:00    71    27     22   241  (WSW)    490    clear     none
     18:00    70    25     12   274    (W)    450    clear     none
     19:00    68    25     14   255  (WSW)    525    clear     none
     20:00    66    23     15   270    (W)    562    clear     none
     21:00    64    21     15   284  (WNW)    850    clear     none
     22:00    64    21     16   263    (W)    932    clear     none
     23:00    63    21     14   261    (W)   1046 mstly clr    none
     00:00    62    20      7   262    (W)   1095 mstly clr    none
     01:00    62    20     11   314   (NW)    857 mstly clr    none
     02:00    60    20     15   269    (W)    845 mstly clr    none
     03:00    59    18     13   284  (WNW)   1010  ptly cldy   none
     04:00    58    17     13   296  (WNW)   1198  ptly cldy   none
     05:00    59    18     16   307   (NW)   1209 mstly clr    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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