Subject: 3.5m Night Log 20200813
From: cgray@apo.nmsu.edu
Date: Fri, 14 Aug 2020 12:33:25 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, August 13, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
JH04  H.Reggiani        K.Schlaufman
GS02  S.Lepine          N.Hejazi
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
JH04  ECHELLE        --:--   --:--
GS02  ECHELLE        03:54   06:14
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
JH04/R      19:58  01:10   5.2  0.0   0    0    0    0    0    0
GS02/R      01:10  06:18   0.6  1.7   0    0    0   2.8   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
Well, we weren't totally clouded out! we had thunderstorms during the afternoon and, while they died down, they were still surrounding us and there was some light rain after midnight. However, a little before 4am things, while now clear, were at least safe to open. Seeing was great! And we were able to punch through the clouds, more or less.
No problems tonight.
                    ------- 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
--------------------------------------------------------------------------
03:57 ecamera    413(  155)  67  49  18.9 18.8 19.0 18.8 18.9   Clear  0.87
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    74    42      1   134   (SE)    769   cloudy     rain
     17:00    74    38      3   225   (SW)    907   cloudy     rain
     18:00    63    46     13   111  (ESE)   1141 mstly cldy   none
     19:00    68    42     11   135   (SE)   1099 mstly cldy   none
     20:00    69    39      5   148  (SSE)    946 mstly cldy   none
     21:00    68    37      2   292  (WNW)   1198 mstly cldy   none
     22:00    68    39      5   351    (N)   2084   cloudy     none
     23:00    66    41     11    31  (NNE)   1104   cloudy     none
     00:00    67    39      3   359    (N)   1055   cloudy     none
     01:00    67    39      8   290  (WNW)    938   cloudy   lt rain
     02:00    67    38     10   201  (SSW)    903   cloudy   lt rain
     03:00    66    38     10   183    (S)   1072 mstly cldy   none
     04:00    66    38     11   148  (SSE)    944  ptly cldy   none
     05:00    66    37     14   151  (SSE)   1380 mstly cldy   none
     06:00    64    35     13   180    (S)   1156 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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