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Galaxy clarity and stacking issue

04Stefan07

By 04Stefan07
in Imaging - Discussion

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04Stefan07

04Stefan07

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Posted (edited)

I have captured M83 and NGC253 and noticed they both have a similar look.

They look a little soft and really noisy. I have narrowed it down to a couple of things. Would anyone know what it could likely be?

- Focus 
- Filters (31mm ZWO LRGB)
- Seeing conditions (obvious)
- Light pollution (obvious)

I am out in the suburbs. Have taken a nice picture of the Trifid Nebula which came out really good (maybe it's because I am capturing different wavelength of light?).

Have attached two photos to show.

 

Also, the third photo when I stack my RGB channels in PixInsight it comes out Green. Automatic Background Extractor removes it but anyone know why it goes totally green?

m83.PNG

capture88.PNG

catpre4.PNG

Edited by 04Stefan07
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