Note 11 — THE CONSTELLATIONS.—Camille Flammarion
Reading edition
That is, to the naked eye; it never descends below the tenth magnitude, and always remains visible in a 3-inch telescope.—J. E. G.
Reading edition
That is, to the naked eye; it never descends below the tenth magnitude, and always remains visible in a 3-inch telescope.—J. E. G.