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 350
minute to be seen without Flg- 364- telescopic aid. Fig. 364 shows a portion of the constella-tion of the Twins as seen with the naked eye ; and Fig. 365shows the same region as seen in a powerful telescope. Struve has estimated that the total number of stars visiblewith Herschels twenty-foot… … 324 ASTRONOMY. The number of stars between the north pole and the circlethirty-five degrees south of the equator is about as follows: — Of the ist magnitude about 14 stars. Of the 2d magnitude about 48 stars. Of the 3d magnitude about 152 stars. Of the 4th magnitude about 313 stars. Of the 5th…
Astronomy
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