Köhler's Deepsky Catalogue

Köhler's Deepsky Catalogue is an astronomical catalogue assembled by Johann Gottfried Köhler in 1778. It was originally compiled in a letter to Johann Elert Bode. Although not numbered, two additional objects are listed by Köhler that he had recently discovered. In total, the catalogue contains eleven globular clusters, four open clusters, two spiral galaxies, two elliptical galaxies, one emission nebula, one planetary nebula, two asterisms, and three lost objects. At Köhler's time, all these various objects were referred to as nebulae.

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