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AR12628 - 9 day evolution-2 (2017 Jan 21)

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發表於 2017-1-30 21:52:39 | 顯示全部樓層 |閱讀模式
AR12628 first appears as a tiny flare on the NE limb on Jan 19.  It has evolved into a large group with a large leading spot and many following sunspots.


An eruption from the following spots produces a dark filament that shoots to the SE.
Here are images from Jan 21.


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.
20170121125957332.jpg
AR12628-20170121131219368_cr.jpg
AR12628-20170121132004521_cr.jpg
AR12628-20170121132208071_cr.jpg
AR12628-20170121133412706_cr.jpg
AR12628-20170121140437854_cr.jpg
AR12628-20170121140714236_cr.jpg
AR12628-20170121141708635_cr.jpg
AR12628-20170121143535601_cr.jpg
AR12628-20170121152502184_cr.jpg
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