Deep Imaging in Hydrogen Alpha

This is a 9 page mini web site intended to show that most of the
emission nebulae are far more extensive than most catalogues would
have you believe and that under processed images can be seriously
misleading to amateur astronomers

http://www.martin-nicholson.info/hyd...ogenalpha1.htm


Martin Nicholson, Daventry, England.
http://www.martin-nicholson.info/1/1a.htm

Visit the Astronomical Hall of Shame at http://www.geocities.com/queen5658/