Calcium flocculi observed by Hale, at the Yerkes Observatory

Calcium flocculi observed by Hale, at the Yerkes Observatory, for the first time as luminous clouds above the sun's disc in photographs taken with the Rumford spectroheliograph.  Shown also are solar prominences erupting at the sun's limb., Credit Line: Yerkes Observatory, University of Chicago, courtesy of AIP Emilio Segrè Visual Archives, Yerkes Observatory Collection
Abstract/Description: Calcium flocculi observed by Hale, at the Yerkes Observatory, for the first time as luminous clouds above the sun's disc in photographs taken with the Rumford spectroheliograph. Shown also are solar prominences erupting at the sun's limb.
Subject(s): Observatories
Williams Bay (Wis.)
Yerkes Observatory
Credit Line: Yerkes Observatory, University of Chicago, courtesy of AIP Emilio Segrè Visual Archives, Yerkes Observatory Collection
Catalog ID: Yerkes Observatory H6