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On the 14th of this month I went for a Spiral galaxy not often imaged NGC 3631 in Ursa Major and got Luminance of  8 x 300 and 10 x 600 and RGB of 5 x 300 each  all binned 2 x 2 . I checked this one out and it said there was some Ha in the spiral arms so on the 16th I got Ha of 5 x 600 and 9 x 900  binned 2 x 2.  I used my Celestron 11" scope at F 6.3 and my QHY9m camera. I have included both the LRGB and the HaLRGB images.

Bob

CV_ngc_3631_RGB_2_registered+2.JPG

CV_HaLRGB+6.JPG

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Nice images - don’t think I could attempt that with my set-up. Good to see what Ha can do to improve image aesthetics. Something I may try with my limited filters - HaRGB composite a possibility!

Gerr.

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Thanks for the comments Francis and Gerr  I tried imaging this target the week before but had poor skies and only managed to get 5 x 300 subs after a quick process it didn’t look a very impressive target but it was in a good position so I thought I would give it another go this week and found it to be a good face on Spiral galaxy. After I got my LRGB data and processed it I could see what I thought maybe it could benefit from some Ha data that’s why I have attached both images with hindsight I think I should have toned down the Ha content a bit.

Bob

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