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On 16 February 1727, Bradley discovered M 48 in Hydra with a refrector of about 2.5 inches aperture and 15 feet focal length. Source: Miscellaneous Works and Correspondance of the Rev. James Bradley, Oxford University Press, 1832, p. 361.
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On 16 February 1727, Bradley discovered M 48 in Hydra with a refrector of about 2.5 inches aperture and 15 feet focal length. Source: Miscellaneous Works and Correspondance of the Rev. James Bradley, Oxford University Press, 1832, p. 361.