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 55
41; and the objects in constellationsabove the Pole we will discuss when they arc in betterposition for observation. Of the clusters, that inCancer named Pr.\esepe [52], and that marked M 39[154] (found by an imaginary line from Beta (P) toGamma (>) in Cygnus, projected onward) make fineobjects… … NIGHT-CHART TO THE SKY AS THE OBSERVER FACES SOUTH.JAN. 1, 8 P.M., DEC. 15, 9 P.M., DEC. 1, 10 P.M., NOV. 15, 11 P.M., NOV. 1, 12 P.M. FOR KEY-MAP TO THIS CHART SEE OPPOSITE PAGE. FOR THE SKY AS THE OBSERVER FACES NORTH, SEE PP. 38, 39. For the sky at other Dates and Hours see Time Schedule, p. 35.…
Astronomy
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