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Sunspots - 4 July 2009 - Peter Meadows


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About this observation
Peter Meadows
Time of observation
31/12/2009 - 14:00

A new active sunspot group appeared on the disk on 4th July.  AR 1024 has developed quite quickly and contains more sunspots in one group than I can recall seeing for quite a while.  The attached image shows that it is quite active in H alpha with several changes occurring over just a few minutes.

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