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Template:POTD/2018-02-01

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Leo and Leo Minor
A lithograph by Sidney Hall depicting the constellations Leo and Leo Minor, two of the 88 modern constellations. Although Leo was recognised as early as Ptolemy in the 2nd century AD, Leo Minor was only designated by Johannes Hevelius in 1687. As suggested by its name, Leo Minor is considerably smaller than Leo; the latter covers 947 square degrees, while the former only covers 232 square degrees.Lithograph: Sidney Hall, from Urania's Mirror