IZMIRAN digital radiospectrograph, 25-270 MHz IZMIRAN fixed-frequency radiometers at 169, 204, 3000 MHz SOHO/EIT (original and difference images) SOHO/LASCO Paris (Meudon) Observatory: H-alpha Yohkoh/SXT
IZMIRAN fixed-frequency radiometers at 169, 204, 3000 MHz
SOHO/EIT (original and difference images)
SOHO/LASCO
Paris (Meudon) Observatory: H-alpha
Yohkoh/SXT