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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: November 8, 1997 09:56 UT

1. 40 separate 50 second images of Hale Bopp have been flat fielded and combined to create this image. The image was obtained using a 12 inch Maksutov with 1524mm focal length and no filter. Image is 30 by 20 arc minutes. This image was taken through a red filter. First image started at 04:56 EST with the last image started at 05:55 Stars look trailed in this composite image, since it was effectively guided on the comet's motion. .

2. The image has been processed using an unsharp mask, with mask sigma set to 3.0.

Ian Griffin

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