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 61
it, however, as well asthe Eta (ii) [264] in Lyra; the Eta (ti) [308] and Zeta (l)[310] in Perseus; and the fine binary star Eta (t)) [82]in Cassiopeia. In addition to the clusters specified for the two-inch,there is the cluster between Hercules and Dracomarked M 92 [207]. It is almost on a fine… … MARCH 1, 12 P.M. NIGHT-CHART TO THE SKY AS THE OBSERVER FACES SOUTHMAY 1, e P.M., APRIL 15, 9 P.M., APRIL 1, 10 P.M., MARCH 15, 11 P.M., FOR KEY-MAP TO THIS CHART SEE OPPOSITE PAGE. FOR THE SKY AS THE OBSERVER FACES NORTH, SEE PP. 46, 47. For the sky at other Dates and Hours see Time Schedule, p.…
Astronomy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
