H-alpha Sun – September 12, 2016

Yesterday’s giant prominence is rotating out of view, but still offers a nice view on the Sun’s limb. Poor conditions today, with some wind and a lot of bad seeing. I’m trying to process a 30-minute animation of the prominences visible in the image below…don’t know if it will c0me out OK…

Equipment: 115mm F/7 APO Refractor, Quark Chromosphere with 1.25″ UV/IR cut filter, ASI 174MM. 600 out of 3000 frames.

sept12col.jpg

And the two resulting animations; they are forwards/backwards animations to better show the movements in the prominences. Only 30 minutes for each animation, but note the rapid changes occurring in these otherwise stable proms:

sept12Animb.gif

sept12Anima.gif

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