Enlarged photographs of the planet Mars

Enlarged photographs of the planet Mars, E.E. Barnard, Yerkes Observatory, 1909, September 24th, 16h. 55m. G.M.T. 40-inch refractor, exposure, 4 sec, to 5 sec, Yellow colour screen

Details

Category:
Astronomy
Object Number:
1912-436
Materials:
paper
type:
black-and-white transparencies, astrophotographs, planets and mars
credit:
Royal Astronomical Society