AR12403 is west of the meridiam today. and has become more and more complex.
Flares and filaments are produced non-stop. A flare that appears west of the following sunspot shows rapid changes.
Telescope: AP Starfire EDT 155 mm f/9.
stopped to 50 mm for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: Imperx 4M15
North is up, and east to the left.
發表於 2015-8-24 18:06:18