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 73
re difficult—Zeta [X,] [310] in Perseus; and Iota (i)[83] and Eta (rj) [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… … NIGHT-CHAHT 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-M.\P TO THIS CHART SEE OPPOSITE P.\GE. 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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