Solar activity has remained low this past week. The largest flare
was a C9.9 on November 19 from a region just beyond the NE limb near
N17. Region 4284 grew slightly in the early part of the period but
was in decay after November 19.
New Region 4287 was numbered. A Type II radio sweep (estimated at
695 km/s) was observed on November 19 at 2215 UTC, likely associated
with a B9.0 flare from just beyond...
Continue reading...
was a C9.9 on November 19 from a region just beyond the NE limb near
N17. Region 4284 grew slightly in the early part of the period but
was in decay after November 19.
New Region 4287 was numbered. A Type II radio sweep (estimated at
695 km/s) was observed on November 19 at 2215 UTC, likely associated
with a B9.0 flare from just beyond...
Continue reading...