Not quite sure what to do with this Rosette. I am not sure it it's bad data or whether I need better processing techniques. I took this in Bortle 8-9 using an Optolong L-Extreme. There is quite a bit of noise/gradient I assume from either the significant amount of light pollution or the poor seeing conditions. I tried processing in Gimp and Pixinsight and get similar results.
https://astrob.in/n9emzl/0/ |
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How much data did you collect for this image and also what is the length of each exposure? Did you use darks and flats?
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It's about 60' total (20x180"). No flats and only about 15" of Darks.
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I think 60 mins that might be too less for Bortle 8 or 9. I am imaging from Bortle 6 and 7 and needed at least 10 hours or so to get any details or depth in my Rosette. Flats would help too.
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Thank you for the feedback!
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Here is a copy of my Rosette using the exact same filter below (LExtreme Pro) and an ASI533MC-Pro and about 2 hours, so a lot more data will help!!
Here is one I did with narrowband filters and 8 hours.. https://www.astrobin.com/19k83r/D/
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