The New Zealand Railways Magazine, Volume 13, Issue 5 (August 1, 1938)
(Photo., G. W. Ritchey, Yerkes Observatory.) — Nebulosities in the Pleiades as seen through the 24 inch Yerkes reflector, Oct. 19th, 1901. Exposure, 31/2hours
(Photo., G. W. Ritchey, Yerkes Observatory.)
Nebulosities in the Pleiades as seen through the 24 inch Yerkes reflector, Oct. 19th, 1901. Exposure, 31/2hours.