PTS 發表於 2015-10-19 22:44:09

2015 Oct. 15 Sun -AR12434

As AR12434 moves towards the central part of the disc, more details are visible.
In this animation, we can see mass flow everywhere.Flares are also appearing.

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.
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