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C/2007 B2, C/2008 C1 (brightening trend continues ), 17P, 29P, 46P.

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  • Juan Jose Gonzalez Suarez
    C/2007 B2 (Skiff): 2008 Feb. 10.08 UT: m1=14.2, Dia.=0.6 , DC=5, 20 cm SCT (133x). [ Mountain location, very clear sky. Nearby field stars checked in DSS.
    Message 1 of 1 , Feb 10, 2008
      C/2007 B2 (Skiff):
      2008 Feb. 10.08 UT: m1=14.2, Dia.=0.6', DC=5, 20 cm SCT (133x).
      [ Mountain location, very clear sky. Nearby field stars checked in DSS.
      Comparison stars taken from Henden photometry near GP Com.
      Limiting star magnitude near comet : 15.2 (HN) ].

      C/2008 C1 (Chen-Gao):
      2008 Feb. 9.91 UT: m1=11.6, Dia.=1.7', DC=2/, 20 cm SCT (133x).
      [ Brightening trend continues ].

      17P/Holmes:
      2008 Feb. 9.89 UT: m1=3.9, Dia.=70', DC=1/, 4x30 monocular.
      [ In 25x100B: Coma diameter: 90' ( elongated towards the very diffuse
      S.E. boundary ); inner brighter region ext. 30' from central
      condensation,
      on p.a. 110 deg ].

      29P/Schwassmann-Wachmann:
      2008 Feb. 9.93 UT: m1=11.3, Dia.=2.0', DC=3, 20 cm SCT (133x).

      46P/Wirtanen:
      2008 Feb. 9.88 UT: m1=8.5, Dia.=7', DC=5, 25x100B.
      [ Zodiacal light ].

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

      2007B2 2008 02 10.08 S 14.2 HN 20.3T10 133 0.6 5 ICQ
      XX GON05

      2008C1 2008 02 09.91 S 11.6 TK 20.3T10 133 1.7 2/ ICQ
      XX GON05

      17 2008 02 09.89 S 3.9 TK 3.0R 4 70 1/ ICQ
      XX GON05

      29 2008 02 09.93 S 11.3 TK 20.3T10 133 2.0 3 ICQ
      XX GON05

      46 2008 02 09.88 S 8.5 TK 10.0B 25 7 5 ICQ
      XX GON05
      -------------------------------


      J. J. Gonzalez
      http://www.perihelio.org
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