Subject: 3.5m Night Log 20220519
From: dembicky@apo.nmsu.edu
Date: Fri, 20 May 2022 11:24:15 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, May 19, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW03  K.Bell            K.Bell
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW03  Agile          20:07   03:42
UW03  Agile          04:22   05:08
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW03/R      20:07  05:52    0   0.7   0    0   4.1  4.9   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
We closed due to dust at 03:42 and re-opened at 04:22
Other than elevated dust levels during the course of the night it was otherwise uneventful.
                    ------- 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
--------------------------------------------------------------------------
 20:35 AGILE      654( -503)  55  66  14.8 17.6 18.4 17.9 16.9   BG40  1.60
 21:24 AGILE      479( -753)  93  38  14.1 15.6 16.5 14.8 14.6   BG40  2.30
 01:08 AGILE      454( -935)   7  56  12.9 12.5 13.3 12.5 12.6   BG40  1.58
 04:35 AGILE      454( -997) -63  34  11.0 10.8 11.6 10.8 10.9   BG40  1.85
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    70     8     27   250  (WSW)   2137    clear     none
     17:00    69     5     24   281    (W)   2286    clear     none
     18:00    66     2     25   274    (W)   2378    clear     none
     19:00    64     6     24   258  (WSW)   2820    clear     dust
     20:00    59     6     20   252  (WSW)   3185    clear     dust
     21:00    58    11     19   253  (WSW)   2932    clear     none
     22:00    58    15     21   251  (WSW)   2942    clear     none
     23:00    56    15     19   244  (WSW)   2735    clear     none
     00:00    56    14     17   250  (WSW)   3332 mstly clr    dust
     01:00    55    15     19   256  (WSW)   3326 mstly clr    dust
     02:00    54    13     15   265    (W)   2959 mstly clr    none
     03:00    53    13     17   266    (W)   3479 mstly clr    dust
     04:00    53    12     17   267    (W)   3390 mstly clr    dust
     05:00    52    11     11   263    (W)   3215  ptly cldy   dust
     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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