Subject: 3.5m Night Log 20200311
From: cgray@apo.nmsu.edu
Date: Thu, 12 Mar 2020 10:16:03 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, March 11, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU02  A.Kowalski        A.Kowalski and class
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU02  ECHELLE        --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU02/R      19:17  07:08   2.4  9.5   0    0    0    0    0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
Night two of CU being cursed with bad weather! We were not able to open all night but we Zoomed trained. The rain sensor went off at 23:50 but there wasn't any rain. I think the high humidity was just too much for it. The class needed to be on sky by 5:00 to do their science and by 4:00 there was no sign of the fog stopping and rain was on the way. We called it a 4:00.
Arctic had a dropped quad during check out but, as I wouldn't be able to give it my full attention, I left it as a job for tomorrow after CU logs out. We are expected to be rained out so I should have the time to devote to the issue.
As a note, DIS DISmouted beautifully tonight!
                    ------- 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
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               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    48    31     17   269    (W)     91 mstly cldy   none
     17:00    47    31     15   272    (W)     57 mstly cldy   none
     18:00    46    31     15   246  (WSW)     69 mstly cldy   none
     19:00    45    31     14   265    (W)     85 mstly cldy  humid
     20:00    44    31     14   255  (WSW)        mstly cldy  humid
     21:00    44    31     14   264    (W)        mstly cldy   fog
     22:00    43    31     12   266    (W)          cloudy    humid
     23:00    43    31     16   280    (W)          cloudy     none
     00:00    42    31     19   276    (W)          cloudy     none
     01:00    42    30     12   273    (W)          cloudy     fog
     02:00    42    31     17   269    (W)          cloudy     fog
     03:00    41    31     14   267    (W)          cloudy     fog
     04:00    41    32     15   282  (WNW)          cloudy     fog
     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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