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 53
on p. 41; and the objects in constellationsabove the Pole we will discuss when they are in betterposition for observation. Of the clusters, that inCancer named Praesepe [52], and that marked M 39[154] (found by an imaginary line from Beta (P) toGamma (7) in Cygnus, projected onward) make… … NIGHT-CHART TO THE SKY AS THE OBSERVER FACES SOUTH.JAN. 1. 8 P.M., DEC. IS, 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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