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Post Info TOPIC: Sun 11.05.15


L

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RE: Sun 11.05.15
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White-light photomosaic

Capture 2015-05-11T09_35_41_mosaic 

Some tiny sunspots have appeared on the eastern limb (bottom left)



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L

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Ultraviolet (390nm) image

Capture 2015-05-11T10_24_46 


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L

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 Image captured with a 100mm f5 Helios refractor and vesta pro webcam. Motorised EQ5 Mount and Baader solar filter. DIY focal reducer made from a 30mm achromatic lens (10mm field stop added).

Capture 2015-05-11T09_50_01 


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