AQUILA, in natural History, etc. See EAGLE. Aquila, in Astronomy, a Constellation of the northern Hemisphere; usually joined with Antinous. See CONSTELLATION. The Stars in the Constellation Aquila and Antinous, in Ptolemy’s Catalogue, are 15; in Tycho’s, 13; in the Britannic Catalogue, 79: The Longitudes, Latitudes, Magnitudes, etc., whereof, are as follow.