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Re: [APML]:What did I photograph (round 2)



The Astro-Photography Mailing List
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In a message dated 7/4/98 10:15:53 AM Mountain Daylight Time,
wmilan@airdigital.com writes:

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 The oval-ring object looks to me like an edge diffraction or
 reflection of the bright star off the edge of an off-axis guider
 or prism. Were you using an off-axis guider?
 
 
 Wil M.       >>
I think you may have solved the mystery, Yes I was using an off axis guider.
I took four more shots of the same object with the horse shoe in different
parts of the frame but I got the same results of all five shots, the same
reflection from the off axis guider prism.  So I guess we can call this the
off axis nebula.
                                                                 Bernie