Ground Observatories

4-JUL-09 19:54:44 U.T.
B0 = 3.2 P = -0.9

Big Bear H-alpha 02-Jul-09 16:05:04

Big Bear White-light 21-Sep-06 20:54:36

Catania H-alpha

MLSO K-corona

Sac Peak H-alpha

Sac Peak He 1083 nm

Kitt Peak Photospheric

Kitt Peak Chromospheric

Mt. Wilson magnetic 07-03-09