Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 379
352 ASTRONOMY. eye can discern seven or eight stars, and some observers havedistinguished 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, 3 5 3 a powerful telescope. With such an instrument more than fivehundred stars are visible. 344. Cluster in the Sword-handle of Perseus. — This is asomewhat…
Astronomy
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