Subject: 3.5m Night Log 20210313
From: dembicky@apo.nmsu.edu
Date: Sun, 14 Mar 2021 12:05:36 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, March 13, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW07  E.Bellm           E.Bellm
JH03  K.Schlaufman      K.Schlaufman
WY01  M.Brotherton      J.McLane
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW07  DIS            --:--   --:--
JH03  ECHELLE        --:--   --:--
WY01  TSPEC          --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW07/R      18:18  00:10   5.5  0.4   0    0   0.0  0.0   0    0
JH03/R      00:10  05:26   4.3   0    0    0   0.0  0.0   0    0
WY01/R      05:26  07:06   1.7   0    0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Wind, Dust, Humidity, Clouds...Ahhh springtime in New Mexico!
I adjusted the time observed for the 2nd program to reflect the spring forward into MDT tonight.  Hence the 4.3 hrs and not 5.3.
We never opened tonight due to weather conditions.  I gave up at 06:00 when the rain (snow) sensor went off.
                    ------- 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
--------------------------------------------------------------------------
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    27     9     38   244  (WSW)   4858  ptly cldy   dust
     17:00    25     7     27   260    (W)   7585 mstly cldy   dust
     18:00    21    17     30   282  (WNW)          cloudy     dust
     19:00    20    17     16   270    (W)          cloudy    humid
     20:00    19    17     23   273    (W)          cloudy    humid
     21:00    18    13     25   265    (W)          cloudy    humid
     22:00    17    13     20   266    (W)        mstly cldy  humid
     23:00    16    15     22   261    (W)        mstly cldy  humid
     00:00    16    14     11   262    (W)        mstly cldy  humid
     01:00    16    14     15   265    (W)        mstly cldy  humid
     03:00    16    12     14   251  (WSW)          cloudy    humid
     04:00    16    14     13   264    (W)          cloudy    humid
     05:00    15    14     16   265    (W)          cloudy    humid
     06:00    16    15     15   264    (W)          cloudy   lt. snow
     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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