Comet 17P/Holmes
Taken at prime focus of my 6" f/7.2 classical Newtonian8 expolsures of 30s at 800 ISO were averaged to reduce noise.
Copyright
© Copyrignt 2007, Joe Iannandrea
Taken at prime focus of my 6" f/7.2 classical Newtonian8 expolsures of 30s at 800 ISO were averaged to reduce noise.