A giant sunspot group, AR2192, has formed on the sun again, and the group is now larger than the largest sunspot group we saw last year, making this the biggest sunspot group in the decade. AR2192 - 500mm Samyang Mirror Lens, Baader Solar Filter If you would like to know how big this really is, have a look at this image done by Paul Floyd at nightskyonline.info Copyright - Paul Floyd / nightskyonline.info The images below show my own images comparing the previous holder of the largest sunspot group of the decade that erupted last year: The group has caused several flares already, but there hasn't been any coronal mass ejections. A coronal mass ejection would pretty much guarantee that there would be massive auroral activity.
An amateur's attempts at astrophotography.