Re: Vanguard I Visual Observations

From: Don Gardner (
Date: Mon Nov 28 2005 - 20:23:33 EST

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    >To the best of my knowledge, Vanguard I which was launched on 17-MAR-1958 is 
    >still in orbit - the oldest man-made object still in space. Often described 
    >as grapefruit size it would be a very weak object to observe but amateur 
    >equipment in recent years has become quite powerful. 
    >Has anyone on the List ever observed Vanguard I? Does anyone have a set of 
    >recent orbit elements for Vanguard I?
    >Gerhard HOLTKAMP
    >Darmstadt, Germany
    I've tried and failed about 6 or 7 times.  I was using a PC164C (.0003 lux) camera in my 10 inch (250mm) dobsonian.
    I gave up trying to see it optically with the 10 inch dob.
    The orbital elements are available on - USSPACECOM ID # 00005.
    Don Gardner
    39.1799 N,  76.8406 W   100 mALS
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