Sunday, 21 April 2013

The Sun with the ever expanding Active Area (AR1726) in close-up:

21 April 2013 JPEG21 April 2013 Annotated JPEG21 April 2013 Long & Lat21 April 2013 AR 172621 April 2013 AR 1726 23 pane

AR 1726 has grown considerably since yesterday and now has a very complex structure.

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