Subject: 3.5m Night Log 20210715
From: cgray@apo.nmsu.edu
Date: Fri, 16 Jul 2021 10:10:31 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, July 15, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW02  O.Fraser          O.Fraser and class
OU02  A.Kosakowski      A.Kosakowski
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW02  DIS            21:48   00:04
OU02  DIS            --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW02/R      20:21  01:10   1.0  1.5   0    0    0   2.3   0    0
OU02/R      01:10  05:58   4.8  0.0   0    0    0    0    0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
Lots of clouds tonight, but little dust and lots of students! We were able to use most of the time with good seeing before radar became too close for comfort. Once the rain in the west started clearing up, rain to the east started sliding our way. Shortly before 4am, OU02 said they wouldn't be able to get any useful data and we gave up.
There was an issue with Dewer 1 during today's fills, somethign seems to be up with the valve. I filed a PR (2025).
                    ------- 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
--------------------------------------------------------------------------
 21:55 dcamera    241(  849)  96  50  16.2 17.6 17.6 17.4 16.3   --  1.20
 22:29 dcamera    477( 1021)  30  76  16.7 16.6 16.8 16.3 16.4   --  0.95
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    69    43     10   262    (W)   2105  ptly cldy   none
     17:00    71    44     11   274    (W)   1364  ptly cldy   none
     18:00    67    44      9   255  (WSW)   1464 mstly cldy   none
     19:00    63    46      9   275    (W)   1873 mstly cldy   none
     20:00    59    47      2   317   (NW)   1660 mstly cldy   none
     21:00    59    47      7    33  (NNE)   2510 mstly cldy   none
     22:00    61    44      5   257  (WSW)   1473 mstly cldy   none
     23:00    61    44      5   257  (WSW)   1545 mstly cldy   none
     00:00    62    44      2   218   (SW)   1382 mstly cldy   none
     01:00    61    44      2   239  (WSW)   1381 mstly cldy   none
     02:00    60    46      3   340  (NNW)   1340 mstly cldy   none
     03:00    60    46      3    25  (NNE)   1499 mstly cldy   none
     04:00    61    45      4   319   (NW)   1066 mstly 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