Subject: 3.5m Night Log 20210819
From: cgray@apo.nmsu.edu
Date: Fri, 20 Aug 2021 11:51:47 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, August 19, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW01  S.Hawley          L.Hebb
UW12  B.Morris          B.Morris, S.Hawley
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW01  ARCTIC         19:52   01:08
UW12  ECHELLE        01:11   05:28
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW01/R      19:52  01:10    0    0    0    0   0.0  5.3   0    0
UW12/R      01:10  06:22    0    0    0    0   2.0  3.2   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
Not a terrible night. Clouds were in and out all night making things difficult for UW01, but the seeing was pretty darn good!
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
--------------------------------------------------------------------------
 19:35 arctic   743( 1453) 130  58  14.9 16.1 16.1 15.3 14.7   Semrock  0.91
 00:16 ecamera    670(  156) 200  41  13.8 13.2 13.8 13.2 13.4   Clear  1.15
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    63    45     11   255  (WSW)    633 mstly clr    none
     17:00    65    39     12   255  (WSW)    464  ptly cldy   none
     18:00    64    41     21   257  (WSW)    466  ptly cldy   none
     19:00    62    41     17   266    (W)    543 mstly clr    none
     20:00    58    42     12   265    (W)    647 mstly clr    none
     21:00    58    42     12   264    (W)    653  ptly cldy   none
     22:00    58    45      9   191    (S)    760  ptly cldy   none
     23:00    58    45     16   216   (SW)    732 mstly cldy   none
     00:00    57    45     11   262    (W)    780 mstly cldy   none
     01:00    57    45     14   229   (SW)    799  ptly cldy   none
     02:00    56    45     13   218   (SW)    813 mstly clr    none
     03:00    56    45     12   250  (WSW)    807 mstly clr    none
     04:00    55    45     11   262    (W)    804  ptly cldy   none
     05:00    56    45     11   268    (W)    832  ptly 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.
              ----------  TELESCOPE SOFTWARE  ----------
Current TCC version: 1.4.2
Current HUB version: v20171231_01
Current TUI version: 2.6.0