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AR12860 in white light on 30 Aug 2021 | by Tommi R
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AR12860 in white light on 30 Aug 2021

Active regions AR12859 and AR12860 are visible on the disk. This is a crop to AR12860.


Stacked image of our sun, photographed in white light.



Sony A7iii

Sony SEL200600G

Sony SEL20TC

Imaged using manual Scopetech Mount Zero alt-az head (no tracking) and Leofoto LS-364C tripod.


1/400 sec, iso 250, f/18.


Raw frames processed with Lightroom (apply lens profile, set white balance), cropped and centered and converted to black and white in Pipp and then the best 10 % of 1049 raw frames is stacked using AutoStakkert3. Processed and partially inverted with ImPPG. Artificial colors added in Photoshop using curves.


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Uploaded on August 30, 2021