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Sea ice - First year thick
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Topical antifungal
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Whitebeam
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Prime number
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Sporangium
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Archean
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Excoriation
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Pterophile
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Nymph
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Sunyaev-Zel'dovich effect
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Xerostomia
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Michelson interferometer
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Cytosol
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Spherical aberration
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DID
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Momentum
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Endocrine
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Weak key
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Boson
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Apache
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Pyroclastic flow
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Fumaroles
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Genetic drift
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Coriolis effect
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Standard model
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CAST
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Trachyte
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Dawn
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Thermohaline circulation
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Placer
M63
This galaxy was discovered in 1779 by Méchain; it is in the constellation of Canes Venatici. With other galaxies including M51, it forms a group of objects held together by gravitation, 37 million light-years away.
With a magnitude of 8.6 and an apparent size equivalent to a third of a full Moon, M63 is a choice subject for amateur astronomers.
An image by Vincent Backer taken with digital reflex camera behind a 200mm diameter telescope.
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