There is an odd forecast for a Carrington-strength event later this week or early next making the rounds, so I thought I'd see what SpaceWeather is up to.
From SpaceWeather, September 19:
WHAT'S OVER THE HORIZON? A big sunspot group is approaching from just behind the sun's southeastern limb. We have seen it before. It is AR3089, which was undergrowing a growth spurt as it exited the solar disk in early September. Now it is returning after a two week trip around the farside of the sun, perhaps even bigger than before. Solar flare alerts: SMS Text....
....MUCH MORE
