Cette image peut avoir des imperfections car il s’agit d’une image historique ou de reportage.
Cygnus is a northern constellation lying on the plane of the Milky Way. Its name is the Latinized Hellenic (Greek) word for swan. One of the most recognizable constellations of the northern summer and autumn, it features a prominent asterism known as the Northern Cross. Cygnus was one of the 48 constellations listed by the 2nd century astronomer Ptolemy and they remain two of the 88 modern constellations defined by the International Astronomical Union. A Celestial Atlas (1822) by Alexander Jamieson, inspired by the star atlas of Johann Elert Bode, but restricted itself to stars that could be seen with the naked eye. Comprising a systematic display of the heavens in a series of thirty maps illustrated by scientific description of their contents and accompanied by catalogues of the stars and astronomical exercises, plate 11, 1822.