Subject: 3.5m Night Log 20200811
From: cgray@apo.nmsu.edu
Date: Wed, 12 Aug 2020 13:02:11 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, August 11, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
GS03  D.Gies            K.Shepard
AP02  T.Murphy          R.McMillan, T.Murphy
CG01  C.Gray            C.Gray
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
GS03  ECHELLE        20:00   02:20
AP02  APOLLO         02:20   03:40
CG01  Echelle        03:44   06:20
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
GS03/R      20:00  02:20    0    0    0    0   4.5  1.9   0    0
AP02/R      02:20  03:40    0    0    0    0   0.0  1.4   0    0
CG01/O      03:40  06:16    0    0    0    0   0.0  2.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
DIS red needed a power reset at the beginning of the night.
The weather started out with some clouds that, while annoying, we were able to punch through. The laser had a little difficulty getting fired up but Tom and Russet were able to get it going! Clouds rolled in just as Venus was rising (of course), but seeing was good all night. CG01 donated 10 min to AP02 given the cloud situation and low altitude of Venus.
Hope you all got to see some meteors as this week is the Perseid meteor shower!
                    ------- 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
--------------------------------------------------------------------------
 20:26 ecamera    622(  549) -19  30  19.5 22.4 22.2 21.5 20.0   Clear  1.47
 22:33 ecamera    363(  155) 152  47  19.3 19.8 20.4 19.5 19.3   ND3  1.04
 03:49 ecamera    407(   88)  87  80  18.2 17.8 18.5 17.7 17.9   clear  0.93
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    77    35     10   236   (SW)    652  ptly cldy   none
     17:00    78    35     11   227   (SW)    538  ptly cldy   none
     18:00    80    36      8   272    (W)    476  ptly cldy   none
     19:00    74    33      8   260    (W)    447 mstly clr    none
     20:00    68    40     14   131   (SE)    826 mstly clr    none
     21:00    67    40     14   134   (SE)    769  ptly cldy   none
     22:00    68    38     14   162  (SSE)    728 mstly clr    none
     23:00    67    38     10   174    (S)    730    clear     none
     00:00    68    36     10   182    (S)    728    clear     none
     01:00    67    38     11   170    (S)    775    clear     none
     02:00    65    39     15   152  (SSE)    769 mstly clr    none
     03:00    64    40     13   165  (SSE)   1010 mstly clr    none
     04:00    63    39     14   180    (S)    863 mstly cldy   none
     05:00    66    40     11   183    (S)    933 mstly cldy   none
     06:00    64    40     11   178    (S)    858 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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