Subject: 3.5m Night Log 20200911
From: cgray@apo.nmsu.edu
Date: Sat, 12 Sep 2020 13:15:48 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, September 11, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
GS01  D.Michael         B.Meena, G.Pollack
NM02  D.DeColibus       D.DeColibus
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
GS01  ARCTIC         --:--   --:--
NM02  TripleSpec     01:52   6:37
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
GS01/R      19:22  01:10   5.8  0.0   0    0    0    0    0    0
NM02/R      01:10  06:37   0.1  0.6   0    0    0   4.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
Nicfps needed an expose init at checkout.
Smoke. Humidity. Fog. Smoke. And then we opened!
Somehow the humidity plummeted and we were able to open around 2am to smokey, but clear skies with good seeing.
                    ------- 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
--------------------------------------------------------------------------
 01:56 tcamera    355(  955)  65  60  10.3  9.6 10.9  8.9  9.4   Ks  1.09
 01:51 tcamera    274(  852)  48  65   9.9  9.2 10.0  8.6  9.8   Ks  1.03
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    55    30      7   228   (SW)    494  ptly cldy  humid
     17:00    56    30      8   247  (WSW)         ptly cldy  humid
     18:00    53    30      8   263    (W)        mstly clr   humid
     19:00    50    30      7   260    (W)        mstly clr   humid
     20:00    49    30      6   256  (WSW)        mstly clr   humid
     21:00    50    30      8   265    (W)           clear     fog
     22:00    50    30      5   265    (W)           clear     fog
     23:00    49    30      5   266    (W)           clear     fog
     00:00    48    30      2   255  (WSW)           clear     fog
     01:00    50    30      1   270    (W)           clear    humid
     02:00    50    30      2   274    (W)    958    clear     none
     03:00    50    30      1   256  (WSW)    960    clear     none
     04:00    50    30      1   240  (WSW)    902    clear     none
     05:00    51    30      1   241  (WSW)   1437    clear     none
     06:00    50    31      3    97    (E)   1841    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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