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 75
re difficult—Zeta (5) [310] in Perseus; and Iota (0[83] and Eta (11) [82] in Cassiopeia. The last two starsare not easy objects, but the latter represents an inter-esting binary system, and the contrast in the colors ofthe components is singularly fine. Polaris [406], or thePole-Star, is always of… … NIGHT-CHART TO THE SKY AS THE OBSERVER FACES SOUTH.NOV. 1, 8 P.M., OCT. 15, 9 P.M., OCT. 1, 10 P.M., SEPT. 15, 11 P.M., SEPT. 1, 12 P.M. FOR KEY-MAP TO THIS CHART SEE OPPOSITE PAGE.FOR THE SKY AS THE OBSERVER FACES NORTH, SEE PP. 58, 59. For the sky at other Dates and Hours see Time Schedule, p.…
Astronomy
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