shuttle radar visible

From: Bruno Tilgner (
Date: Thu Feb 17 2000 - 15:39:10 PST

  • Next message: Tyler MacKenzie: "re: shuttle radar visible"

    Frank E. Reed wrote:
    >The shuttle was plainly visible as an elongated object 
    >and was accompanied by a second object about two magnitudes fainter. The 
    >separation was several minutes of arc and the second object was oriented more 
    >or less perpendicular to the direction of motion as the shuttle passed nearly 
    Even under optimistic assumptions the apparent angular separation
    between the shuttle and the radar antenna is below 1 minute of arc,
    but it is not easy at all to estimate such small distances. It is not
    surprising that the mast itself could not be seen because it is made
    of carbon fibre reinforced plastic. This is then the only observation
    reported of the antenna. Congratulations!
    Bruno Tilgner
    Paris, France
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    This archive was generated by hypermail 2b29 : Thu Feb 17 2000 - 15:40:58 PST