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AR12628 - 9 day evolution-8 (2017 Jan 27)

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發表於 2017-1-30 22:21:29 | 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.

Here are images from Jan 27.


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.
20170127141925287.jpg
AR12628-20170127142755324_cr.jpg
AR12628-20170127142812562_cr.jpg
AR12628-20170127142901540_cr.jpg
AR12628-20170127143420895_cr.jpg
AR12628-20170127143550644_cr.jpg
AR12628-20170127144410120_cr.jpg
AR12628-20170127144448762_cr.jpg
AR12628-20170127145429660_cr.jpg
AR12628-20170127150104083_cr.jpg
AR12628-20170127150736448_cr.jpg
AR12628-20170127151321184_cr.jpg
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