Flamsteed Astronomy Society

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Part 10 page 6

Comet 17P/Holmes — October 31, 2007, by Tony Sizer.   Canon EOS 300D body on Skywatcher 180

Stack of 10 x 15 seconds exposure at ISO 1600. .    Click next for more Comet Holmes pics

 

This comet underwent a massive increase in brightness to about mag 2.5 See Gary Kronk, & Sky & Telescope