Subject: 3.5m Night Log 20240829
From: dembicky@apo.nmsu.edu
Date: Fri, 30 Aug 2024 11:47:41 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, August 29, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU03  M.Kilic           M.Kilic, G.Jewett
OU04  K.Leighly         D.Terndrup
AP01  S.Merkowitz       R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU03  ARCTIC         19:39   01:04
OU04  KOSMOS         01:20   04:44
AP01  APOLLO         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU03/R      19:39  01:10    0    0    0    0   5.5  0.0   0    0
OU04/R      01:10  05:29    0   0.7   0    0   1.9  1.7   0    0
AP01/R      05:29  06:29    0   1.0   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
I closed due to humidity at 04:45.
Humidity stayed over the limit with little change so we gave up a little early.
                    ------- 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
--------------------------------------------------------------------------
 20:20 arctic   270( 1468) -74  70  15.3 17.1 16.7 16.6 16.1   BG40  0.92
 20:22 NA2gdr  6372(36372) -74  70  15.3 17.1 16.7 16.6 16.1   clear  1.01
 01:28 kosmos   220( 1213) -80  75  14.3 13.8 14.4 13.6 13.8   --  0.77
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    69    51      9   287  (WNW)    478  ptly cldy   none
     17:00    63    51      7   273    (W)    600  ptly cldy   none
     18:00    63    50      7   324   (NW)    609  ptly cldy   none
     19:00    62    49     10   296  (WNW)    597 mstly clr    none
     20:00    60    48     10    21  (NNE)    619  ptly cldy   none
     21:00    58    50     14    63  (ENE)        mstly clr    none
     22:00    58    47      7    52   (NE)    728  ptly cldy   none
     23:00    60    46      7    72  (ENE)    540 mstly clr    none
     00:00    58    47      5   312   (NW)    609 mstly clr    none
     01:00    58    47      5   353    (N)    589  ptly cldy   none
     02:00    58    45      9    29  (NNE)    621  ptly cldy   none
     03:00    55    45     11    63  (ENE)    527  ptly cldy   none
     04:00    53    49     15    68  (ENE)        mstly clr   humid
     05:00    50    48     17    73  (ENE)           clear    humid
     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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