Subject: 3.5m Night Log 20191024
From: dembicky@apo.nmsu.edu
Date: Fri, 25 Oct 2019 12:43:08 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, October 24, 2019
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
WY01  C.Kobulnicky      A.Piccone
CU02  J.Keller          J.Keller, R.Leiva, E.Wilde
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
WY01  DIS            21:00   01:05
CU02  ARCTIC         01:20   07:07
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
WY01/R      18:29  01:10   2.5   0    0    0   4.2  0.0   0    0
CU02/R      01:10  07:07    0    0    0    0   3.1  2.9   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Well the good news is this cold weather really did a number on the moth population in the enclosure and lower levels.  The bad news is a few of the pesky b**ards got on the drive surfaces.  I tried cleaning the moth remains but expect more of the goo to come out from inaccessible places over the next few days.  But hey, I only saw about a dozen of them flying around today and lots on the ground!
Winds kept us closed at the start of the night with gusts over 40MPH.
We finally opened around 21:00 with poor seeing (>2.3 arc sec)
A photometric night but poor seeing all night long.
                    ------- 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
--------------------------------------------------------------------------
 21:11 dcamera    381(  194) -85  55   0.2  0.8  1.3  0.9  0.4   --  2.30
 01:30 arctic   420(  304) -52  50  -2.1 -1.6 -1.1 -2.0 -2.2   CU_VR  2.60
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    35    15      0   308   (NW)    756    clear     none
     17:00    34     5     18    13  (NNE)    302    clear     none
     18:00    33     1     12    13  (NNE)    274    clear     none
     19:00    32    -1     37    27  (NNE)    272    clear     none
     20:00    33    -5     19    17  (NNE)    268    clear     none
     21:00    33    -6     16     5    (N)    277    clear     none
     22:00    32    -6      6    13  (NNE)    265    clear     none
     23:00    31    -3     23    24  (NNE)    361    clear     none
     00:00    32   -10      3    17  (NNE)    275    clear     none
     01:00    29     5     10    17  (NNE)    399    clear     none
     02:00    27     7     20    52   (NE)    374    clear     none
     03:00    28     8     15    53   (NE)    475    clear     none
     04:00    28     7     15    11    (N)    430    clear     none
     05:00    28     7      7    10    (N)    475    clear     none
     06:00    29     7     10    14  (NNE)    320    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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