THE CORONA VISER 



259 



Fig. 8 — A jet or flare in the corona photographed on October 18, 1938. 



leoo 1900 



GREENWICH CIVIL TIME 



2000 



Fig. 9 — Positions of the flare of Fig. 8 at the times shown. The turning of the 

 image is due to the horizontal mounting of the telescope. 



Fig. 10 — The input scanner. 



