Wednesday, March 7, 2012

1501d 2012/03/07

1501d 2012/03/07 12:05–12:10 EST Foxmead S deck 8 4cmrr

 There is an brilliant extended flare winding like a snake through a sunspot group in Hα at 33x. Also a hedgerow prominence at 6 o'clock. Here is the most recent SOHO EIT 304 image:

This Hα image from Big Bear yesterday is actually closer to what I saw today. You can see the sinusoidal flare and the prominence just off the disk in the same direction:

Temperature = 11°C, gusty winds

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