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C/2011 L4 (PANSTARRS)

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  • timokarhula
    2013 Mar. 24.81 UT: m1= 2.8; naked eye DC=8, Tail: 1°.1 in PA 25°; 18x50B [Corrected for atmospheric extinction with ICQ winter table. Comet altitude 9°.
    Message 1 of 4 , Mar 24, 2013
      2013 Mar. 24.81 UT: m1= 2.8; naked eye
      DC=8, Tail: 1°.1 in PA 25°; 18x50B

      [Corrected for atmospheric extinction with ICQ winter table. Comet altitude 9°. Tail spanning from 25° - 65°. Moonlight. Observing site: Virsbo, Sweden]

      /Timo Karhula
    • timokarhula
      C/2011 L4 (PANSTARRS) 2013 Apr. 1.83 UT: m1=4.5, Dia=2 , DC=7/, Tail: 1.3° in PA 5°, 18x50B; Timo Karhula (Virsbo, Sweden) In the same field of view as M31.
      Message 2 of 4 , Apr 2, 2013
        C/2011 L4 (PANSTARRS)

        2013 Apr. 1.83 UT: m1=4.5, Dia=2', DC=7/, Tail: 1.3° in PA 5°, 18x50B; Timo Karhula (Virsbo, Sweden)

        In the same field of view as M31. Tail spanned to about PA 40°. Comet altitude: 13.5°. Visible with naked eye. End of astronomical twilight.

        /Timo Karhula
      • timokarhula
        C/2011 L4 (PANSTARRS): 2013 Apr. 20.91 UT: m1=7.1, Dia.=4 , DC=6/, Tail: 0.8 deg. in PA 345 deg, 18x50B. [73% gibbous moon. Astronomical twilight. Observing
        Message 3 of 4 , Apr 21, 2013
          C/2011 L4 (PANSTARRS):

          2013 Apr. 20.91 UT: m1=7.1, Dia.=4', DC=6/, Tail: 0.8 deg. in PA 345 deg, 18x50B.

          [73% gibbous moon. Astronomical twilight. Observing site: Virsbo, Sweden]

          Timo Karhula
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