Calcium and Hydrogen Flocculi

Made:
1903 in Lake Geneva
photographer:
F Ellerman
and
George Ellery Hale

Calcium and Hydrogen Flocculi, surrounding the great Sun-spot of 1903, October 9 low level H1. slit at 3962, 3h 43m. C.S.T., medium level H1. slit at 3966, 3h 43m. C.S.T. taken with the Rumford Spectroheliograph and 40-inch refractor of Yerkes Observatory by G.E. Hale and F. Ellerman

Details

Category:
Astronomy
Object Number:
1912-418
Materials:
paper
type:
black-and-white prints (photographs), astrophotographs, sun and sun spots
credit:
Royal Astronomical Society