[BAA-ebulletin 00984] Extremely High Solar Activity

[BAA electronic bulletins service]

The below bulletin has just been received.  Two X class flares took place today with the potential for more as Active Region 2673 approaches the western solar limb.  Observations and images are requested.  Please send to solar at britastro.org

It is likely that Coronal Mass Ejections accompanied today's two major flare events and the possibility of aurora over he weekend is also likely.  Any aurora reports to sandra-b at hotmail.co.uk


"Solar activity is extreme. Region NOAA 12673 produced two X-class flares
since the last report: an X2.2 at 08:57 UT and an X9.3 at 11:53 UT today.
The region remains beta-gamma-delta class, with a large field gradient
and shear between the positive and negative delta spots.
It has also produced several M-class events.
Further X-class activity is likely.
The potential for very large flare events still exists.
NOAA 12673, S09 W40 (X= 607,Y=-239). Beta-gamma-delta region.
Position as of September 6, 2017 at 16:00 UT."


Lyn Smith

Director

BAA Solar Section



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