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Sun in CaK - 15 June 2021


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Hi Gary, this is a stacked image.  I find that with Calcium images it is better to stack fewer.  So these are the best 20 out of 200 using Autostakkert.  The original image , like all narrowband images, is in mono (captured by a mono cam).  The colouring was done in Photoshop, as was sharpening (using wavelets in Astra image plugin but you could use Registax) and a little contrast enhancement.



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