There is also Alvin Huey's site which has some fabulous observing guides. http://www.faintfuzzies.com/ I used the Globular Cluster one last night to do a mini Palomar-athon. With those easy use charts I was able to observe 7 Palomar Globulars in the very short window of opportunity between twilight and the Moon getting in the way. I would have added one more but got delayed in my start visiting with a friend who showed up at the observatory to do some imaging.

Reiner Vogel also has a great site which is a wonderful resouce. http://www.reinervogel.net/index_e.html At my clubs recent star party I used the Young Stellar Nurseries to show some people new stuf.

Bill