Sun Hα Image thru ASi290MM + Y2F with Mz60mm f=900mm

ASi290MM is using to get Sun Hα images .
It is very good performance for planet image so do Sun images.
SMT60F is single filter and so far not enough power to get clear image both surface and prominence in the same time. below two images are in one frame to compare. This discussion will be continued .

Oct27th image

Oct26th image



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