Calcium and Hydrogen Flocculi, surrounding the gre

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 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
type:
sun spots
credit:
Royal Astronomical Society
status:
Permanent collection

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