Subject: 3.5m Night Log 20200901
From: mcmillan@apo.nmsu.edu
Date: Wed,  2 Sep 2020 13:04:48 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, September 01, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
EN01  B.Ketzeback       R.McMillan,J.Eriksen
CU03  Y.Notsu           Y.Notsu
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN01  ARCTIC         --:--   --:--
EN01  ECHELLE        21:07   21:50
EN01  SHACK          21:50   00:25
EN01  NA2GDR         00:30   01:05
CU03  ECHELLE        01:08   06:01
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN01/R      19:36  01:10    0   1.6   0    0   0.0  4.0   0    0
CU03/R      01:10  06:31    0    0    0    0   0.0  5.3   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
The night started out rainy, then there were some clouds, and then for second half it got a lot better.  First half engineering included arctic dome flat tests, collimation, and several smaller jobs.  Second half was peaceful observing, although it's clear the pointing will be a high priority for tomorrow night.
                    ------- 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
--------------------------------------------------------------------------
 01:24 ecamera    387( -191) 197  78  12.5 12.3 12.9 12.2 12.3   ND2  1.17
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    65    30      8   263    (W)    568    clear     none
     17:00    66    30      3   301  (WNW)   1532  ptly cldy   none
     18:00    57    31     15   357    (N)   1914   cloudy   lt rain
     19:00    56    31      8   355    (N)    758   cloudy   lt rain
     20:00    55    31      4   270    (W)   1009  ptly cldy   none
     21:00    57    31     10   328  (NNW)   1111 mstly clr    none
     22:00    56    30      3   255  (WSW)   1118  ptly cldy   none
     23:00    56    30      9   309   (NW)   1137  ptly cldy   none
     00:00    55    30      5   269    (W)   1082    clear     none
     01:00    54    30      3   352    (N)   1080    clear     none
     02:00    55    29      1   346  (NNW)   1105    clear     none
     03:00    54    29      1   244  (WSW)   1205    clear     none
     04:00    56    30      1   283  (WNW)   1111    clear     none
     05:00    55    30      6   357    (N)   1139    clear     none
     06:00    52    28      2   341  (NNW)   1190    clear     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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