Another M51 - one night's data

[discardedastro]

Been doing M101 a lot lately but thought I'd give M51 another go - just grabbed one evening of data, didn't combine with one of my previous datasets but might do so later.

Acquisition was on the 200PDS/EQ6-R w. an ASI183MM-Pro and Baader LRGB. 22x300s L, between 5 and 10x300s RGB. Processed in PI - calibrated, stacked, DBE, deconvolved, combined, denoised, local histogram equalisation to bring out some of the detail in the arms, and a bit of saturation boosting. Final DBE and then TGVDenoise to finish.

[Laurin Dave]

Very nice...   I do believe though that your dark subtraction is not working  properly as you can see the 183 chips characteristic starburst amp glow on the right.  Are you using matched darks? and if so have you got "optimise" turned off in Pixinsight's calibration process? Sorting that out would remove the starburst.  

Edited March 26, 2020 by Laurin Dave

[discardedastro]

3 hours ago, Laurin Dave said:

Very nice...   I do believe though that your dark subtraction is not working  properly as you can see the 183 chips characteristic starburst amp glow on the right.  Are you using matched darks? and if so have you got "optimise" turned off in Pixinsight's calibration process? Sorting that out would remove the starburst.  

Yeah, I'm definitely going to recapture a bunch of darks soon since I'm only using 7x300s which isn't ideal, but for this image I used BatchPreprocessing with some pre-made master darks for the first time and I'm fairly sure this forced the optimisation setting on. Was only intended to be a quick stack to see how it turned out, but certainly if I reprocess will do so from scratch so I don't hit that.

[gingergeek]

Amp glow aside, it's a nice capture dude.

[MarkAR]

Superb image, well done.

[DarrenContino]

Sweet!!!! well done!