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C/2011 L4 (PANSTARRS).

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  • Juan José González Suárez
    C/2011 L4 (PANSTARRS): - 2013 Mar. 20.82 UT: m1= 2.7*, Dia.=3 , DC=8/, Tail: 0.5 deg. in PA 35 deg, naked eye. - 2013 Mar. 20.81 UT: m1= 3.1*, Dia.=2.5 , DC=8,
    Message 1 of 6 , Mar 23, 2013
      C/2011 L4 (PANSTARRS):
      - 2013 Mar. 20.82 UT: m1= 2.7*, Dia.=3', DC=8/,
      Tail: 0.5 deg. in PA 35 deg, naked eye.
      - 2013 Mar. 20.81 UT: m1= 3.1*, Dia.=2.5', DC=8,
      Tail: 0.7 deg. in PA 35 deg, 10x50B.
      [ In 25x100 binoculars: fanned tail spanning from 30 deg. to 80 deg.,
      1.7-deg in p.a. 35 deg. Low altitude: 10 deg; solar elongation: 21 deg.
      End of nautical twilight. Some moonlight interference.
      Magnitude estimate corrected for atmospheric extinction
      with ICQ winter table. Rural location, clear sky.].

      ( La Union de Campos, alt. 780 m, Valladolid, Spain ).

      -------------------------------------------------------
      ICQ Format:

      2011L4 2013 03 20.82 $I 2.7 TK 0.0E 1 3 8/ 0.5 35 ICQ
      XX GON05

      2011L4 2013 03 20.81 $M 3.1 TK 5.0B 10 2.5 8 0.7 35 ICQ
      XX GON05
      -------------------------------------------------------

      J. J. Gonzalez
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