Subject: 3.5m Night Log 20191211
From: dembicky@apo.nmsu.edu
Date: Thu, 12 Dec 2019 13:48:55 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, December 11, 2019
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW09  C.Sakari          C.Sakari
UW10  Y.Notsu           Y.Notsu
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW09  ECHELLE        17:06   00:07
UW10  ECHELLE        00:10   06:55
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW09/R      17:06  00:10    0    0    0    0   0.0  7.1   0    0
UW10/R      00:10  06:47    0    0    0    0   0.0  6.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Clouds at the start of the night but we opened on time and observed through them.  Cleared up around 20:00 and decent sky the remainder of the night other than about an hour where we had another small band of clouds pass by.
No problems tonight.
Morning echelle IOL not completed since observer was taking cals with the echelle.
                    ------- 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
--------------------------------------------------------------------------
 17:19 ecamera    473( -487)  57  62   2.9  4.0  4.2  3.9  3.4   ND4  0.81
 19:43 ecamera    475( -600) -37  79   2.4  1.8  2.5  2.0  2.5   clear  1.10
 00:11 ecamera    434( -646) 199  79   2.1  1.6  2.4  1.9  2.4   clear  1.14
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    39    -7     14   191    (S)     10  ptly cldy   none
     17:00    38    -7     15   201  (SSW)     11 mstly cldy   none
     18:00    36    -7     11   211  (SSW)     51 mstly cldy   none
     19:00    35    -8     11   203  (SSW)     47  ptly cldy   none
     20:00    35    -8      6   213  (SSW)     69    clear     none
     21:00    36    -7     10   266    (W)     60    clear     none
     22:00    35    -8      8   281    (W)     54    clear     none
     23:00    37    -7     17   301  (WNW)     54    clear     none
     00:00    36    -8     16   308   (NW)     41 mstly clr    none
     01:00    35    -8      9   278    (W)     47  ptly cldy   none
     02:00    33    -1     16   341  (NNW)     45  ptly cldy   none
     03:00    34     2     18   352    (N)     44    clear     none
     04:00    34     2     14    19  (NNE)     61    clear     none
     05:00    34     8     17    24  (NNE)     75    clear     none
     06:00    35    11     11   357    (N)     53 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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