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"" (6/28/2023 12:00:00 AM)"