The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 379
Fig. 400. 352 ASTRONOMY. eye can discern seven or eight stars, and some observers liavedistinguished as many as eleven. Fig. 400 shows the Pleiades … Fig. 401. as they appear to the naked eye under the most favorablecircumstances. Fig. 401 shows this cluster as it appears in ASTRONOMY. 353 ;i powerful telescope. With such an instrument more than fivehundred stars are visible. 344. Cluster in the Sword-handle of Perseus. — This is asomewhat dense…
Astronomy
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