Subject: 3.5m Night Log 20191113
From: mcmillan@apo.nmsu.edu
Date: Thu, 14 Nov 2019 13:34:27 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, November 13, 2019
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM04  J.Jackiewicz      D.Chojnowski
UW04  Z.Ivezic          P.Yoachim
GS02  D.Gies            K.Lester
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM04  ECHELLE        17:30   21:26
UW04  ARCTIC         21:29   00:03
GS02  ECHELLE        00:07   06:10
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM04/R      17:12  21:30    0    0    0    0   0.9  3.4   0    0
UW04/R      21:30  00:10    0    0    0    0   0.0  2.7   0    0
GS02/R      00:10  06:24    0    0    0    0   0.0  6.2   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Clear all night.  Focus started very high but came down rapidly in the first two hours.
There was a tracking slip in the altitude direction at 2019-11-14T10:30:30, but recovery was very quick and I didn't see any other misbehavior.
                    ------- 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
--------------------------------------------------------------------------
 17:34 ecamera    789(  121)  37  71   9.4 10.4  9.5 10.1  9.6   ND2  1.05
 21:38 arctic   461(  710) 349  45   5.4  6.1  7.0  6.0  5.6   g  1.56
 00:14 ecamera    363( -583) -139  62   4.6  4.3  5.0  4.2  4.4   ND3  1.06
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    50    18     10    26  (NNE)    255    clear     none
     17:00    51    14     12    26  (NNE)    134    clear     none
     18:00    46    15     14    20  (NNE)    289    clear     none
     19:00    48     4     11     8    (N)     91    clear     none
     20:00    47    11     13    37   (NE)    149    clear     none
     21:00    44    11     17    66  (ENE)    259    clear     none
     22:00    42    11     18    65  (ENE)    343    clear     none
     23:00    41    11     17    60  (ENE)    387    clear     none
     00:00    40    11     15    57  (ENE)    389    clear     none
     01:00    36    14     10    68  (ENE)    737    clear     none
     02:00    36    12     12    57  (ENE)    938    clear     none
     03:00    36     9     11    63  (ENE)    700    clear     none
     04:00    40     9      5   296  (WNW)    395    clear     none
     05:00    41    10      1   222   (SW)    441    clear     none
     06:00    40    11      3   311   (NW)    368    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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