Subject: 3.5m Night Log 20230628
From: mcmillan@apo.nmsu.edu
Date: Thu, 29 Jun 2023 12:12:30 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, June 28, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
LA01  M.Hoffmann        M.Hoffman,D.Thompson,R.Hill,M.Cecil
UW09  B.Morris          S.Hawley
LA01  M.Hoffman         M.Hoffman,D.Thompson,R.Hill,M.Cecil
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
LA01  HSAR           --:--   --:--
UW09  ECHELLE        --:--   --:--
LA01  HSAR           03:30   05:30
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
LA01/R      20:24  22:47    0   2.4   0    0   0.0  0.0   0    0
UW09/R      22:47  03:30   0.9  3.8   0    0   0.0  0.0   0    0
LA01/R      03:30  05:49    0    0    0    0   2.3  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Clouds, threat of rain, and some actual rain kept us closed for most of the night, but we were able to open partway through the second half fo work with the visiting instrument.  There were some slightly troublesome telescope vibrations and one motion error during test slews, but otherwise the APO systems worked well.
                    ------- 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
--------------------------------------------------------------------------
 03:27 hsar   150( 1021)  56  63  16.9 17.5 17.9 17.4 16.8   -  2.00
 03:46 NA2gdr -6002(31997) 150  18  16.8 17.2 17.6 17.1 16.8   Clear  2.00
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    78    38      1   201  (SSW)   1978  ptly cldy   none
     17:00    83    39     12   212  (SSW)   1901  ptly cldy   none
     18:00    72    37     15   292  (WNW)   3408 mstly cldy   none
     19:00    72    36      6   256  (WSW)   3431 mstly cldy   none
     20:00    66    40     13    87    (E)   1870  ptly cldy   none
     21:00    68    37      7    95    (E)   1653  ptly cldy   none
     22:00    68    37     13   142   (SE)   2171   cloudy   lt rain
     23:00    64    40     10   114  (ESE)   1811   cloudy     none
     00:00    66    39      9   189    (S)   2316 mstly cldy lt rain
     01:00    64    40      6   112  (ESE)   1688 mstly cldy   none
     02:00    63    40      8   355    (N)   2061 mstly cldy   none
     03:00    62    41     15   342  (NNW)   2376  ptly cldy   none
     04:00    62    40     16   314   (NW)   1852  ptly cldy   none
     05:00    62    41      5   348  (NNW)   1928  ptly cldy   none
     06:00    62    40      7   344  (NNW)   1823  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.
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