Subject: 3.5m Night Log 20220313
From: mcmillan@apo.nmsu.edu
Date: Mon, 14 Mar 2022 12:42:09 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, March 13, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW04  K.Bell            K.Bell
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW04  AGILE          19:26   00:40
UW04  AGILE          02:07   06:24
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW04/R      19:18  07:06    0   2.5   0    0   1.6  7.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Mostly clear skies early in the evening got worse as some moderately thick clouds grew down the line of the ridge in the middle of the night.  I closed the dome at 00:40 for strong wind, but the observer had been unable to get useful data for about an hour before that.  We were able to reopen a few hours later when the wind dropped and clouds thinned out.
                    ------- 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
--------------------------------------------------------------------------
 18:42 AGILE      465(-1310)   8  74   4.0  4.5  4.6  4.1  4.3   BG40  1.16
 01:14 AGILE      465(-1459) -38  77   1.7  1.3  2.7  2.1  1.9   BG40  1.47
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    46    -6     16   250  (WSW)    259    clear     none
     17:00    41    -1     12   234   (SW)    434    clear     none
     18:00    41     2     13   265    (W)    522    clear     none
     19:00    40     3     18   243  (WSW)    553    clear     none
     20:00    39     0     15   252  (WSW)    595    clear     none
     21:00    40     0     19   260    (W)    619 mstly clr    none
     22:00    40     0     21   266    (W)    638 mstly clr    none
     23:00    39     1     19   262    (W)    588  ptly cldy   none
     00:00    38     2     24   279    (W)    972 mstly cldy   none
     01:00    37     3     16   265    (W)    857 mstly cldy   none
     02:00    36     2     26   289  (WNW)    619  ptly cldy   none
     03:00    34     2     20   312   (NW)    565 mstly clr    none
     04:00    32     4     13   317   (NW)    628    clear     none
     05:00    31     4     13   341  (NNW)    726    clear     none
     06:00    31     4     12   307   (NW)    802    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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