Solar Astronomy
WARNING: When observing the Sun, be sure to use only equipment designed specifically for that purpose and produced by reputable manufacturers. Follow their directions closely. Do not improvise your own filter material for solar observing. If you are careless, you risk instant and permanent injury and/or vision loss.
Current Solar Images
An aggregation of current solar images from a variety of sources.
Observing the Sun in H-alpha
Nothing in the world of amateur astronomy compares with observing the Sun in H-alpha.
Resources
List of books and helpful links related to solar astronomy.