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M101 First HALRGB

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This is my take on M101 from 26th and 27th March, my first HALRGB! Surprised how much i had to mask the HA in order to add to the red channel as it mostly overwhelms the blues in my image if I dont.

I still have some sort of issue with either alignment of the RGB or CA as the red stars all have purple to one side. Odd but hopefully that can be resolved.

102X1.5min luminance, 25x1.5min each of RGB 





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Really nice. I like very much the colour and carefully handled background field

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