AR11785 and AR11787 continue their eruptiive activities throughout the day. The large flare originating from the leading spot in AR11785 eventually develpos into a large dark surging filament.
The flares and eruptions continues into a 2nd observation session after lunch.
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 2013-7-7 23:21:31