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Sunspots

Roger Samworth

23/12/2015

 

Sun is getting a bit more lively. According ro "Spaceweather" 

http://spaceweather.com/

"In the past 24 hours, sunspot AR2473 has quadrupled in size. On Dec. 23rd (00:40 UT) it erupted, producing an M4-classsolar flare. NASA's Solar Dynamics Observatory recorded the extreme ultraviolet flash:"

So for those of you with H-alpha 'scopes - - - (Pete?)

Attached are this morning's window-sill shots.

Roger

Sunspots_Samworth_231215a
Sunspots_Samworth_231215b
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