Gabriella Mistral Bubble??? Requests for constructive critique · Nick Axaris · ... · 2 · 156 · 1

0.00 Nick Axaris #... · view views
Hi everyone I'm not a normal forum poster but have heaps of images I was reprocessing some older Gabriella Mistral images and found this b"bubble" pointed to by the arrows. I used the Optolong L-Ultimate to obtain the image and Reprocessed it in Pixinsight I may have seen traces of it in other images but this one seems very pronounced. is it really a thing? Edited ... Like

7.90 andrea tasselli #... · view views
It is just a bubble of OIII around those two bright stars and it is real enough if you got a strong OIII signal. I can barely see it mine but with just 15 min of exposure it is to be expected. Like

0.00 Nick Axaris #... · view views
Thanks for that I have not seen it in other images. Just a trace in some Amazing what you can uncover when changing your processing techniques Like

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