6 Sep
2017
6 Sep
'17
9 a.m.
http://www.skyandtelescope.com/astronomy-blogs/explore-night-bob-king/giant-... I've been watching these big sunspot groups currently on the sun, they are large enough to be seen naked-eye, with proper filtration. The moon and smoke from western fires will work against any aurora, but they just be seen anyway if very active. We could get activity through the weekend.