Subject: 3.5m Night Log 20210211
From: mcmillan@apo.nmsu.edu
Date: Fri, 12 Feb 2021 13:47:42 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, February 11, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW04  B.Williams        P.Nedialkov,D.Bizyaev
BY01  R.Steele          R.Steele,J.Moody
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW04  DIS            18:20   00:04
BY01  DIS            00:06   06:01
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW04/R      17:54  00:10    0    0    0    0   6.3  0.0   0    0
BY01/R      00:10  06:40    0    0    0    0   6.5  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
A nice clear night with variable seeing.  Everything worked well.
                    ------- 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
--------------------------------------------------------------------------
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    39    14      9   311   (NW)    346    clear     none
     17:00    40    14      7   283  (WNW)    293    clear     none
     18:00    37    14      8   312   (NW)    291    clear     none
     19:00    37    14     12   278    (W)    243    clear     none
     20:00    37    13     12   306   (NW)    317    clear     none
     21:00    37    13     11   267    (W)    285    clear     none
     22:00    37    14      9   258  (WSW)    458    clear     none
     23:00    36    14      9   247  (WSW)    493    clear     none
     00:00    36    15     10   215   (SW)    468    clear     none
     01:00    36    14     10   213  (SSW)    433    clear     none
     02:00    36    15      7   208  (SSW)    436    clear     none
     03:00    36    10     13   201  (SSW)    336    clear     none
     04:00    35    11     16   228   (SW)    375    clear     none
     05:00    34    11     12   206  (SSW)    451    clear     none
     06:00    33    13     12   214   (SW)    503 mstly clr    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.
              ----------  TELESCOPE SOFTWARE  ----------
Current TCC version: 1.4.2
Current HUB version: v20171231_01
Current TUI version: 2.6.0