AR12403 is very close to the SW limb now.
During a short observation session this morning, eruption of bright flares show up from the eastern side of the leading spot.
Observation is frequently interruped by clouds.
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 2015-8-28 13:35:05