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Astroimaging with an achromatic refractor
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21-01-2018, 09:00 PM
skysurfer
Dark sky rules !
Join Date: Dec 2011
Location: 52N 6E (EU)
Posts: 1,152
Well, adding narrowband filters or at least UHC will reduce color errors considerably.
Another option (never tried) can be making separate R,G and B frames and stacking them together. CCD cameras with filter wheels work this way.
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