Spectrograph, filtergraph and magnetogra
โ
A. G. Michalitsanos; P. Kupferman
๐
Article
๐
1974
๐
Springer
๐
English
โ 875 KB
We present high resolution detailed observations of the class 3N two-ribbon flare of 1973, July 29 (McMath 12461), which was associated with the disappearance of a large filament ('disparition brusque'). This flare occurred in a diffuse bipolar magnetic region completely devoid of sunspots, and was