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2013 September 26-27 Sun -AR11845, AR11846, AR11848 and AR11852

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發表於 2013-9-29 13:40:09 | 顯示全部樓層 |閱讀模式
This group of ARs are in the southern hemisphere and close to the SW limb.  
AR11846 remains active with the large sunspot.  The flares are mostly to the east of the sunspot.
AR11845, AR11848 and AR11852 are near to the W limb and are still active.  

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

PTS
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