Subject: 3.5m Night Log 20200701
From: trudyk@apo.nmsu.edu
Date: Thu,  2 Jul 2020 11:05:59 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, July 01, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
AP01  T.Murphy          R.McMillan
JH08  N.Dello           A.McKay
UW08  B.Morris          B.Morris
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
AP01  APOLLO         --:--   --:--
JH08  ECHELLE        --:--   --:--
UW08  ECHELLE        02:30   03:00
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
AP01/R      20:24  21:24    0    1.0  0    0   0.0  0.0   0    0
JH08/R      21:24  01:10    0    3.8  0    0   0.0  0.0   0    0
UW08/R      01:10  05:51    2.1  2.1  0    0   0.0  0.5   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Rudyk
Evening started mostly cloudy with rain headed our way on the radar. We did not open at sunset due to this. Clouds and radar return plagued us until 02:30. There was a break/suckerhole large enough for us to make use of the clearing. Skies were mostly clear, winds were calm, seeing was fair. The suckerhole closed by 03:00 but at least we got a couple exposures in!
More clouds and radar returns, then rain after 04:00. We did not open again.
                    ------- 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
--------------------------------------------------------------------------
 02:36 ecamera    301( -170)  86  69  12.0 14.5 14.8 14.6 13.5   clear  1.22
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    67    32     11   215   (SW)   2216  ptly cldy   none
     17:00    68    32      8   183    (S)   2282  ptly cldy   none
     18:00    68    32     12   206  (SSW)   2773 mstly cldy   none
     19:00    65    31     14   216   (SW)   2751 mstly cldy   none
     20:00    61    31     13   241  (WSW)   3104 mstly cldy   none
     21:00    59    31      9   226   (SW)   3005 mstly cldy   none
     22:00    59    31     11   213  (SSW)   2487   cloudy     none
     23:00    59    31     12   199  (SSW)   2932   cloudy     none
     00:00    58    31     13   207  (SSW)   2660   cloudy     none
     01:00    56    31      9   184    (S)   2434  ptly cldy   none
     02:00    57    31      9   188    (S)   2069 mstly clr    none
     03:00    56    30      9   197  (SSW)   1716 mstly cldy   none
     04:00    56    30      3   218   (SW)   1911   cloudy   lt rain
     05:00    56    31      5   254  (WSW)   2188   cloudy     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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