There are so many good ones. The one I like best is Jan Wisneiwski's web site:
http://www.astrosurf.com/jwisn/index.html
For me, his maps of the constellations are excellent, but best of all is the combination of his CCD photos and the accompanying guide charts.
There are better photos of course, for example at the RCOS web site, but Jan is so much more comprehensive, he even covers many of the Palomar clusters, and having really good accompanying charts is a big plus to me.
Of course, I am a fan of the NSOG approach, which combines descriptons, photos, maps, and sketchs, so I am biased in favor of the combination approach; it seems so convenient, thorough, and even scholarly.
What are your own suggestions and preferences?
Bill Meyers
