Mathematician Dr. Erich Karkoschka works as a specialist for planetary research at the Lunar and Planetary Center in Tucson, Arizona. He has observed every object presented in this Atlas.
A new edition of the Observer's Sky Atlas by Erich Karkoschka was released this spring and includes a lot more goodies for amateur astronomers looking to observe the deep mysteries of the night sky. -- Carina Ockedahl * Astronomy By Night *