The internet is full of resources of interest to the amateur astronomer. Over in the Lunar Observing forum we have put together a list of links to web sites/pages of use to Lunar Observers that has becomes a large and useful resource. I would like to see such a resource brought into being for this forum as well. Toward that end, I have stuck this post to the top of the forum, and begun our list of online solar observing resources with a link provided recently by David W. Knisely :
Please add links that you know of and have found useful. I will periodically go through what is posted on this thread and add it to a master list in this post for convenient access.