Subject: 3.5m Night Log 20200224
From: trudyk@apo.nmsu.edu
Date: Tue, 25 Feb 2020 13:18:15 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, February 24, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UV02  M.Brewer          M.Brewer,R.Wilson,K.Corcoran
UW08  M.Graham          K.Bell
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UV02  ARCTIC         18:05   00:04
UW08  DIS            00:16   06:11
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UV02/R      18:05  00:10    0    0    0    0   5.1  1.0   0    0
UW08/R      00:10  06:28    0    0    0    0   6.3  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Rudyk
Clear, then some clouds around sunset. CLouds blew out and it was clear and calm, with decent seeing. Stayed that way all night. We were open all 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
--------------------------------------------------------------------------
 18:52 arctic   385(  504)  34  77   2.3  3.8  3.8  3.6  2.4   SDSS_g  1.16
 00:21 dcamera    421(  124)  29  59  -1.6 -1.5 -1.1 -1.9 -1.8   -  1.28
         ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    37    15     17   315   (NW)    410    clear     none
     17:00    40    19     12   271    (W)    414    clear     none
     18:00    36    16     13   279    (W)    378 mstly clr    none
     19:00    36    15     19   308   (NW)    364 mstly clr    none
     20:00    34    12      6   344  (NNW)    598    clear     none
     21:00    32    10      7   345  (NNW)    641    clear     none
     22:00    32    12     22   345  (NNW)    705    clear     none
     23:00    30    12      2   324   (NW)    536    clear     none
     00:00    29    12     11   357    (N)    644    clear     none
     01:00    29    12     13   351    (N)    671    clear     none
     02:00    28    12     15    21  (NNE)    781    clear     none
     03:00    26    11     15     6    (N)    870    clear     none
     04:00    24    10      7   355    (N)    947    clear     none
     05:00    22     9     12   359    (N)   1197    clear     none
     06:00    21     9     16    25  (NNE)   1464    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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