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2014 Feb 02 Sun

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發表於 2014-2-2 08:17:19 | 顯示全部樓層 |閱讀模式
Both AR11967 and AR11968 have developed into huge complex groups.
AR11967 is now naked eye.


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
20140202081033058.jpg
 樓主| 發表於 2014-2-2 17:37:01 | 顯示全部樓層
In H-alpha, AR11967 and AR11968 are very complex, with lots of filaments and flares.
20140202082056003.jpg
20140202082110105.jpg
20140202082156234.jpg
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20140202082208621.jpg
AR11967-20140202082834753.jpg
AR11967-20140202084347120.jpg
AR11967-20140202084610297.jpg
AR11967-20140202090026162.jpg
AR11967-20140202090526275.jpg
AR11968-20140202082907747.jpg
AR11968-20140202082909900.jpg
AR11968-20140202084456962.jpg
AR11968-20140202084535634.jpg
AR11968-20140202084537927.jpg
AR11968-20140202084542701.jpg
AR11968-20140202085013049.jpg
AR11968-20140202085959860.jpg
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