September 4, 2015: Delicate arc on the eastern limb

[michael.h.f.wilkinson]

Just had another look at the sun in blast-furnace heat in Valetta, even at 8:30. The sun looks really nice, with a lot of filaments on the south-eastern disk. Nearby on the limb, a delicate arc of plasma, with a sharp boundary on the inner edge, and more diffuse on the outer edge. The western limb shows some much brighter proms. As the sun was still over the sea, the seeing was not bad at all.

Hope to have a look later, to see how things develop.

[michael.h.f.wilkinson]

Had another look, and the delicate arc seems to be drifting away, becoming fainter as it does. A smaller, much brighter arc has formed to its north.

[Pete Presland]

Still waiting for some clear skies in the UK, thanks for keeping your us informed.

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