The Interstellarum Deep Sky Atlas (stylized as the interstellarum Deep Sky Atlas) is a 2014 sky atlas published by German astronomers Ronald Stoyan and Stephan Schurig.
[1] The atlas has more than 2,000 deep-sky objects, including all deep-sky objects from the Abell, Hickson, Arp, Barnard, Palomar, Terzan, and Stock catalogues.
[2] The atlas is co-published by Cambridge University Press and Oculum-Verlag GmbH.
[3] There are two editions, a larger desk edition and a smaller field edition.
[4] The Interstellarum Deep Sky Guide, published in 2018 by Ronald Stoyan and Uwe Glahn, accompanies the 2014 atlas and has pencil drawings of deep-sky objects.