Modern Methods: Unlocking the Secrets of the Sun
Friedrich Woeger, KIS; Chris Berst and Mark Komsa, NSO/AURA/NSF. Color added.
Figure 1: The image of a sunspot, produced by the Dunn Solar Telescope, shows the influence of adaptive optics on resolution. A NASA image of Earth is added for scale, and both Earth and sunspot are artificially blurred on the left half to simulate normal, uncorrected seeing through Earth's atmosphere.