Home > Solar > The Sun 2-5-09 – Impressive Loop Prom!

The Sun 2-5-09 – Impressive Loop Prom!

Had some better than average seeing this morning at 8.30 UT and I couldn’t believe the great view via the PST with very sharp and large proms in each quarter of the disk. There was a perfect double loop in the north west, the best of its type that I have seen so far. I took a series of disk and prom shots between 8.34 – 9.15 UT.

Later on I made a short 25 frame animation of the main loop between 10.34 and 11.10 running at 1/15th sec. This was a slow burning prom with very little change in shape except at the apex of the arch where the plasma curls over. It looks like the prom changed shape and got more active after I was imaging judging by later images and animations posted on the Cloud Nights Solar Forum. Lots of cloud after 10.45 caused some brightness changes in the animation as a few of the frames were shot through a thin cloud layer.

Categories: Solar
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