Astronomy with an opera-glass: a popular introduction to the study of the starry heavens with the simplest of optical instruments, with maps and directions to facilitate the recognition of the constellations and the principal stars visible to the naked eye; (1888)
Serviss, Garrett Putman, 1851-1929 · New York, London, D. Appleton and company · leaf 39
ith aglass, as they are beautifullygrouped with stars invisibleto the naked eye. The lettersused to designate the starsforming these pairs will befound upon our map of UrsaMajor. The scattered groupof faint stars beyond the bowlof the Dipper forms the Bearshead, and you will find that also a field… … Mizar, Alcor, and the Sidus Ludovicianum. THE STARS OF SPRING. 29 the nymph Calisto, with whom Jupiter was in love, and herson Areas, who were both turned into bears by Juno, where-upon Jupiter, being unable to restore their form, did thenext best thing he could by placing them among the stars.Ursa…
Astronomy
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