23 Jul
2010
23 Jul
'10
5:21 p.m.
It's a nice "double spot" complex in the 50mm f/9 at 16X, but not quite naked-eye, at least for this observer, using Baader mylar and a 25% transmission moon filter together. On 7/22/10, Canopus56 <canopus56@yahoo.com> wrote:
Active Region 1089 has grown so large, that it appears this sunspot is now a naked-eye object (through suitable solar protective screening.)