{Spam?} Re: OPS 8180 (RADCAT) (1972-076A) telescopic obs

From: Ralf Vandebergh (ralf.vandebergh@home.nl)
Date: Mon Jul 26 2010 - 13:07:11 UTC

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    This is an improved (re-aligned) version of the Radcat animation:
    Ralf Vandebergh
      ----- Original Message ----- 
      Sent: Friday, July 23, 2010 10:38 AM
      Subject: OPS 8180 (RADCAT) (1972-076A) telescopic obs
      subject: OPS 8180 (RADCAT) (1972-076A) telescopic obs
      On July 18, the following images of Radcat spacecraft were made.
      This was a radar calibration target satellite launched in 1972.
      This is my first imagery of this object which seems to behave
      quite interesting according to the animation made of frames
      taken over a time period of 5 sec. (21:14:24 - 29 UTC). 
      It suggest a rotational/tumbling motion. Although
      I'm not aware of observed flashes of Radcat, earlier
      observations have learned that a rotating of tumbling object
      not neccesarily has to show flashes. 
      animation: http://tinyurl.com/2azfzwj
      Image:  http://tinyurl.com/26njgoo
      Ralf Vandebergh
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