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AR12627 - 9 day evolution-3 (2017 Jan 22)

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發表於 2017-1-30 17:40:38 | 顯示全部樓層 |閱讀模式
AR12627 first appear as a tiny flare on the NE limb on Jan 19.  It has evolved into a large group with many sunspots and flares. Here are images taken on Jan 22.


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.

20170122133107748.jpg
AR12627-20170122133822729_cr.jpg
AR12627-20170122133823881_cr.jpg
AR12627-20170122135308897_cr.jpg
AR12627-20170122140253883_cr.jpg
AR12627-20170122140855647_cr.jpg
AR12627-20170122141934869_cr.jpg
AR12627-20170122142711493_cr.jpg
AR12627-20170122143223615_cr.jpg
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