Coe, Steven R.. Nebulae and How to Observe Them [electronic resource] / by Steven R. Coe. - London : Springer Science+Business Media, LLC, 2007. - 1online resources, ix, 156 p. : ill., digital ; 24 cm. - Astronomers' Observing Guides, 1611-7360 . ISBN: 9781846287299 (electronic bk.) Subjects--Topical Terms: Nebulae--Observers' manuals.Popular Science. Dewey Class. No.: 523.1135