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Griffin Images of Comet Hale-Bopp


ampo156.jpg8K ampo157.jpg8K
Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: April 1, 1997 00:30, 00:40 UT

First image is a 0 second image through a red filter started at 00:30:00 has been processed using a rotational gradient filter with rotation 10 degrees and amplification 10.

Second image is a 20 second image through a blue filter started at 00:40:00 has been processed using a rank order masking technique; a 5x5 pixel mask with rank 60% and amplification 10 was used in this case.

Ian Griffin

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