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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: March 31, 1997 00:25-00:42 UT
First image is a 20 second exposure of Hale Bopp, made through a red filter. Exposure started at 19:42:00 EST (=00:42:00ut). Image obtained using a 12 inch Maksutov telescope working at f5. Image has been dark subtracted and then false coloured using Mira's 'comet' pallete.
Second image is a 20 second image through a red filter started at 00:42:00 has been processed using a rotational gradient filter with rotation 10 degrees and amplification 10.
Third image is a 20 second exposure of Hale Bopp, taken through a blue filter was started at 00:24:51 UT has been processed using a rotational gradient filter, with rotation 10 degrees, and amplification 10. Note the spiral structure that all of the professional observatories have been reporting recently.... cool!
Ian Griffin
GRIFFIN.I@a1.brevard.cc.fl.us
Comet Hale-Bopp Home Page