Date: Thu, 3 Sep 2020 22:23:22 -0000
Subject: 3.5m Night Log 20200902
From: mcmillan@apo.nmsu.edu
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, September 02, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
EN01  B.Ketzeback       R.McMillan
DD02  J.Burchett        R.McMillan,J.Burchett,D.Jones
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN01  ARCTIC         19:20    20:00
EN01  NICFPS         20:06    22:00
EN01  ARCTIC         22:07    23:08
EN01  NA2GDR         23:10    01:20
EN01  ARCTIC         01:27    02:45
EN01  SHACK          02:50    03:35
EN01  ARCTIC         03:42    03:58
EN01  ECHELLE        04:00    04:15
EN01  ARCTIC         04:18    04:58
DD02  ARCTIC         05:00    05:52
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN01/R      19:34  05:00    0    0    0    0   0.5  8.9   0    0
DD02/R/D    05:00  06:31    0    0    0    0   0.0  1.5   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
We had a few clouds at evening twilight, otherwise a lovely photometric
night with good seeing.  I got LOTS of engineering done so there was even
enough time left for a little pickup science at the end of the night.
                    ------- 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
--------------------------------------------------------------------------
 22:22 arctic   552( 1255) -77  36  15.4 15.6 16.2 15.2 15.4   sdss_r  1.07
 03:08 shack   375( 1582)  45  53  15.3 14.9 15.6 14.8 14.9   -  1.00
 05:32 arctic   480( 1123) 194  55  15.7 14.6 15.3 14.4 14.9   i  0.88
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    68    31      8   258  (WSW)    913 mstly clr    none
     17:00    68    31      7   247  (WSW)    938 mstly clr    none
     18:00    70    31      6   260    (W)    937 mstly clr    none
     19:00    65    31     10   295  (WNW)    988  ptly cldy   none
     20:00    62    31      1   288  (WNW)    897 mstly clr    none
     21:00    61    31      8    86    (E)    763    clear     none
     22:00    59    31      8   104  (ESE)    749    clear     none
     23:00    60    31      1   157  (SSE)    878    clear     none
     00:00    60    30      9   131   (SE)    879    clear     none
     01:00    62    30      3   255  (WSW)    629    clear     none
     02:00    60    30      8   213  (SSW)    867    clear     none
     03:00    59    30      9   223   (SW)   1014    clear     none
     04:00    60    30      6   215   (SW)    940    clear     none
     05:00    60    30      6   258  (WSW)    888    clear     none
     06:00    60    30      5   265    (W)    921    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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