PTS 發表於 2015-9-16 08:52:46

2015 September 10 Sun - AR12412 & AR12414

The sudden eruption of the small patch of palges to the west of AR12412 has developed into AR12414.However, its avtivity subsided and onle some plaes and small filaments are visible today.

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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