Subject: 3.5m Night Log 20200705
From: mcmillan@apo.nmsu.edu
Date: Mon,  6 Jul 2020 11:56:25 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, July 05, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW07  G.Wallerstein     C.Sakari
AP01  T.Murphy          R.McMillan
UW08  B.Morris          L.Hebb
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW07  ECHELLE        20:26   21:55
AP01  APOLLO         --:--   --:--
UW08  ECHELLE        04:25   05:05
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW07/R      20:24  01:10    0   3.3   0    0   0.6  0.9   0    0
AP01/R      01:10  02:10    0   1.0   0    0   0.0  0.0   0    0
UW08/R      02:10  05:53    0   3.0   0    0   0.0  0.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Nearby rain signals weakened by sunset, and I hoped they would continue to weaken.  But after just a few spectra the rain came back for real.
After APOLLO was clouded out, there was a spirited thunderstorm that showed clear signs of circulation as seen by the optical cloudcam.  That's scary, right?  But the effect was not apparent in ground-level winds, and once the rain was gone things settled quickly.
This time we got just one and a half spectra before the clouds closed in again.  Sadly, they prevented me from seeing comet NEOWISE at dawn, so I may have to wait until it becomes an evening object.
                    ------- 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
--------------------------------------------------------------------------
 04:29 ecamera    365( -123) 243  53  16.2 14.0 14.3 13.8 15.1   Clr  1.56
             ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    77    34     18   266    (W)   1764  ptly cldy   none
     17:00    78    32     19   257  (WSW)   1850  ptly cldy   none
     18:00    73    30     14   302  (WNW)   1596  ptly cldy   none
     19:00    75    31      9   264    (W)   1453  ptly cldy   none
     20:00    70    32      9   263    (W)   1671 mstly clr    none
     21:00    64    33     12    88    (E)   1948  ptly cldy   none
     22:00    64    34     16   113  (ESE)   1983 mstly cldy   none
     23:00    59    31     26    71  (ENE)   1898   cloudy   lt rain
     00:00    58    29     28    72  (ENE)   1188   cloudy   lt rain
     01:00    58    28     11   110  (ESE)   1293  ptly cldy   none
     02:00    58    28     16   114  (ESE)   1137   cloudy     none
     03:00    50    27     34    61  (ENE)   1522   cloudy     rain
     04:00    53    28     15   127   (SE)    487  ptly cldy   none
     05:00    62    29      4   350    (N)    787  ptly 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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