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Over the weekend, a small sunspot materialized in the sun's northern hemisphere, then, hours later, vanished again. Such an occurrence is hardly unusual during solar minimum when sunspots are naturally small and short-lived. However, this ephemeral spot was noteworthy because its magnetic field was reversed--marking it as a member of the next solar cycle.

Is this Solar Minimum over? Not even close, but this development does suggest that the start of Solar Cycle 25 is stirring.

See full story at: http://spaceweather.com/

 

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MIDSTATE AMATEUR RADIO CLUB   P.O. BOX 836   FRANKLIN, INDIANA 46131

 

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19 December 2018