images

The Sun - October 10, 2009

by

Alan Friedman/Novapix

Reference

a-sol01-00036

Date

2009-12-04

Image of Sun taken on october 10 2009 in a specific red color of light emitted by hydrogen gas called Hydrogen-alpha, the color inverted to appear blue. In this light, details of the Sun's chromosphere are particularly visible. Some solar prominences are visible around the edges.