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Griffin Images of Comet Hale-Bopp

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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: March 3, 1997 09:50:32 UT

First image is a 300 second exposure of Hale Bopp through a Lumicon Swan Band Filter. The image has been processed by subtracting a 40 by 40 median filtered version of itself from 120% of the original image. Exposure started at 04:50:32 EST

Second image is the original 300 second exposure of Hale Bopp through a 12 inch f5 Maksutov telescope, taken using a Lumicon Swann band filter. Exposure started at 04:50:32 EST. Image has had a dark frame subtracted, been flat fielded, and then gamma and contrast scaled. A false colour pallate has then been applied.

Third image is a false colour version of the 300 second exposure made using a Lumicon Swann Band filter.
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