It's not always a good idea to go back to old data - you may find you never get out!
However, I always thought that my Pleiades data from a few months back could give me more somehow and with the new processing algorithms in the image processing application Siril, I gave it a go.
(Original post: https://mmastrogroup.blogspot.com/2022/10/nina-pretty-ballerina-and-messier-45.html)
I am mainly talking about the Generalized Hyperbolic Stretch or GHS transformation - more information here: https://siril.org/tutorials/ghs/
Stacking and processing with Siril and using this feature iteratively most definately brought out more information in my image.
Of course you still need to post-process to your usual taste, but it just looks better!
Messier 45
Clear skies
MJ
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