Subject: 3.5m Night Log 20200616
From: cgray@apo.nmsu.edu
Date: Wed, 17 Jun 2020 11:52:48 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, June 16, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM05  M.Prescott        M.Prescott,A.Dijeau, K.Sanderson
UW09  G.Wallerstein     E.Farrell
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM05  DIS            20:22   22:22
NM05  DIS            23:00   01:08
UW09  DIS            01:13   05:56
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM05/R      20:22  01:10   0.6   0    0    0   3.2  0.0   0    0
UW09/R      01:10  05:46    0    0    0    0   2.3  2.3   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
The night started out mostly clear but with thunderstorms rolling in from the west. We were able to pull through until 22:22 when the small wave hit us but rain never touched down. It cleared quickly and we were back on sky! However, another wave came around 1 am and brought a strong gust and terrible seeing.
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
--------------------------------------------------------------------------
 21:02 dcamera    560( 1190) 240  53  17.0 18.1 18.2 17.7 16.8   --  1.48
 01:20 dcamera    518( 1048) 349  37  16.1 15.8 16.3 15.8 16.1   --  1.30
 02:23 dcamera    603( 1082) 348  24  13.4 14.4 15.2 14.1 13.6   --  3.64
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    65    37     17   223   (SW)    645 mstly clr    none
     17:00    68    37     11   246  (WSW)    642 mstly clr    none
     18:00    67    38      8   266    (W)    621 mstly clr    none
     19:00    66    39     10   268    (W)    560 mstly clr    none
     20:00    63    38      9   215   (SW)    569 mstly clr    none
     21:00    62    37     14   192  (SSW)    563    clear     none
     22:00    62    35     10   188    (S)    584  ptly cldy   none
     23:00    60    36      9   239  (WSW)    572    clear     none
     00:00    61    36     12   254  (WSW)    597    clear     none
     01:00    61    36     11   236   (SW)    625    clear     none
     02:00    57    36     23   244  (WSW)    722  ptly cldy   none
     03:00    56    37     13   242  (WSW)   2021    clear     none
     04:00    55    38     13   233   (SW)   1208    clear     none
     05:00    56    39     14   242  (WSW)    696    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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