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just for fun I combined this H alpha image with OIII data I acquired last year.
This was only 50 minutes and of poor quality -star trailing and noisy-but still, here is my first colour mapped image (OIII data contributed to blue and green channels, H alpha data to red and 20 % to blue-synthetic H beta )
don't have Registar so alignment was manual; also
different star sizes in H alpha and OIII means full res image is pretty ordinary
Astronomik OIII filter, stock Canon 300D
comments and suggestions welcome
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