Subject: 3.5m Night Log 20200719
From: trudyk@apo.nmsu.edu
Date: Mon, 20 Jul 2020 11:14:14 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, July 19, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM06  M.Prescott        M.Prescott,K.Sanderson,A.Dijeau
NM09  K.Kinemuchi       K.Kinemuchi
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM06  DIS            22:30   00:40
NM09  DIS            00:45   01:53
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM06/R      20:19  01:10    2.7  0    0    0   2.2  0.0   0    0
NM09/R      01:10  06:01    3.6  0.2  0    0   1.1  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Rudyk
Evening started with clouds and rain. They finally blew out around 22:30. We opened. Skies were partly cloudy, seeing was ok. Winds were calm. By 01:50 clouds had moved back in and rain was on the radar to the north and south of us, so we closed. The rain to the north died out, but the south system grew in intensity and became thunderstorms. We gave up around 5:00.
                    ------- FAILURE LOG -------
              FAILURE MODE     TIME
PROG   INSTR     TI/SHU    START  FINISH  DESCRIPTION
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            ---------------- FOCUS LOG ---------------
Time  Instrument  Focus     Az  El  Temp Strc Prim  Sec  Air  filt  FWHM
--------------------------------------------------------------------------
 22:37 dcamera    133(  749)  32  53  15.9 17.9 18.6 17.5 16.4   -  1.11
 00:45 dcamera    457(  976)  92  61  15.5 15.9 16.8 15.6 15.7   -  1.26
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    67    34      6   214   (SW)   1461   cloudy   lt rain
     17:00    68    34      7   193  (SSW)   1693   cloudy     none
     18:00    69    34      5   193  (SSW)   2207   cloudy     none
     19:00    64    32      6   104  (ESE)   2250   cloudy     none
     20:00    63    31      7    78  (ENE)   1587   cloudy     none
     21:00    62    31      1   234   (SW)   2061 mstly cldy   none
     22:00    59    30      2   106  (ESE)   1982  ptly cldy   none
     23:00    60    30      7    92    (E)   3714  ptly cldy   none
     00:00    60    31     11   117  (ESE)   4127  ptly cldy   none
     01:00    60    28      7   136   (SE)   4117  ptly cldy   none
     02:00    59    29      5    97    (E)   3963   cloudy     none
     03:00    60    30     10     2    (N)   3629 mstly cldy   none
     04:00    58    29     15    62  (ENE)   3496 mstly cldy   none
     05:00    56    27      9    84    (E)   3811 mstly cldy   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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