A beginner's star-book; an easy guide to the stars and to the astronomical uses of the opera-glass, the field-glass and the telescope (1912)
Murphy, Edgar Gardner, 1869-1913 · New York, London, G.P. Putnam's sons · leaf 61
o, the star markedBeta (P) [229] may be tried; as well as Alpha (a) [211]and Epsilon («) [212] in Hydra; and Alpha (a) [241] inLepus;but these four are difficult except in an instrumenta little larger than three inches. In Monoceros fineobjects will be found in the cluster to the left of Epsilon(«)… … NIGHT-CHART TO THE SKY AS THE OBSERVER FACES NORTH. MAY 1, 8 P.M., APRIL 15, 9 P.M., APRIL 1, 10 P.M., MARCH 15, 11 P.M., MARCH 1, 12 P.M. FOR KEY-MAP TO THIS CHART SEE OPPOSITE PAGE. FOR THE SKY AS THE OBSERVER FACES SOUTH, SEE PP. 48, 49. For the sky at other Dates and Hours see Time Schedule, p.…
Astronomy
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