SOLAR ACTIVITY UPDATE: X1.8-Flare/CME (Dec 20th, 2014).

SOLAR ACTIVITY UPDATE: X1.8-Flare/CME (Dec 20th, 2014).

SOLAR ACTIVITY UPDATE: X1.8-Flare/CME (Dec 20th, 2014).

X-FLARE! Big sunspot AR2242 erupted on Saturday, Dec. 20th @ 00:27 UT, producing an intense X1.8-class solar flare.

User: Skyywatcher88 .

Views: 36

Uploaded: 2014-12-20

Duration: 02:39