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 51
SPIRAL NEBULA fN TRrADGULUM, KNOWN AS MESSIER 33 From a photograph taken at the Yerkes Observatory 36 tlbe migbt^Cbarts ant) 1ke\)*flDap63for Hn^ l^car 37 38 a Beginners StaivBooft … NIGHT-CHART TO THE SKY AS THE OBSERVER FACES NORTH.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 SOUTH, SEE PP. 40, 4I. For the sky at other Dates and Hours see Time Schedule, p. 35.…
Astronomy
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