Calcium and hydrogen flocculi

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

Calcium and hydrogen flocculi, surrounding the great sun-spot of 1903, October 9, High level H2 slit at 3968.6, 3h.30m. C.S.T. Hydrogen slit at centre of Hs, 1h. 4m C.S.T., taken with the Rumford Spectroheliograph and 40-inch refractor at Yerkes Observatory by G.E. Hale and F. Ellerman

Details

Category:
Astronomy
Object Number:
1912-417
Materials:
paper
type:
black-and-white prints (photographs), astrophotographs, sun and sun spots
credit:
Royal Astronomical Society