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This may be an artifact, but I took this shot of the Orion Constellation from the Canary Islands and it showed a small nebula around Beteleguse. Do you think this is real? The shot was taken with a dual band filter which brings out the Ha. I initially assumed it was a camera artifact, but I took more shots with different camera positions and it was still there. There are some on-line articles about such a nebula. My first reaction was to edit it out, but I think it might be real and only visible because Beteleguse has dimmed by over 50%. What do you think?
Connecting the corona to the photoshphere and chromosphere.
http://www.bbso.njit.edu/ November 15th News. Nov 15, 2019: Formation of solar spicules and subsequent coronal heating unveiled
Link to big bear observatory nov 15th movie capture http://www.bbso.njit.edu/scinews/LayeredMovie.mp4 <
A side note here, linking back to my own thread linking the photosphere to the chromorosphere and also apparently the zone of ionization where calcium atoms become singly ionized..
Dutch open telescope Calcium line 397nm Apollo Lasky Hydrogen Line 656nm