Cover of Herschel 400 Observing Guide
Category: Reference
Publisher: Cambridge University Press
Pages: 379
ISBN: 9781107632004
Year: 2013

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Lent status: Available

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The Herschel 400 is a list of 400 galaxies, nebulae, and star clusters, picked from over 2,500 deep-sky objects discovered and catalogued by the great eighteenth-century astronomer Sir William Herschel and his sister Caroline. It comprises 231 galaxies, 107 open clusters, 33 globular clusters, 20 planetary nebulae, 2 halves of a single planetary nebula, and 7 bright nebulae.

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