The rising of a new AR12891.
SW150 + Quark Chromosphere. Seeing was quite poor at this time (at the end of the imaging session).
Valery
The rising of a new AR12891
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Valery
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The rising of a new AR12891
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- AR 12891 2021-10-27 UT-08h04m.jpg (178.89 KiB) Viewed 157 times
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.
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Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
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marktownley
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Re: The rising of a new AR12891
Looks good Valery!
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
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Montana
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Re: The rising of a new AR12891
Beautiful 
I can really see the dimple of the spot, that's cracking!
Alexandra
I can really see the dimple of the spot, that's cracking!Alexandra
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arnedanielsen
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