This image is the product of a collaboration between 2 photographers, Greg Marshall, and Kay Wyatt. During a total eclipse, features around the edge of the Sun that otherwise cannot be seen without special filters become easy to see. This image was captured near the end of totality, when the Sun's bright photosphere was just about to re-appear and swamp out these features. We were very fortunate that a very large prominence was positioned such that almost all of it could be seen (center top). The glow around the rim of the Moon is the Sun's inner corona, while the much brighter and thinner line is part of the chromosphere, which reveals details of the Moon's outline in silhouette.