UPDATE FROM MABULA
I have had a very rough 2 months unfortunately health wise. I was struck 3x in a row with bacterial infections. The second infection occurred  after a routine hospital checkup and I became very sick. I had to rest and take a lot of antibiotics. Once I was recovering and restarting work 1 month ago, I again became sick. The infection was not yet gone, so even more antibiotics and rest was needed. Needless to say, it took a lot of my energy and I needed a lot of rest.
Finally, the infection is really gone and my energy is coming back step-by-step now and I have started work again. I am terribly sorry to have kept you waiting for support. I will address all outstanding questions and e-mails step-by step and will be on the forum daily from today.
APP 2.0.0-beta47 will come soon as well, a lot of work was already completed before I became very ill, so the release is also nearly ready for you. Beta47 will be much faster actually. Many workflows will be more than 2x faster, mosaics can even be 10x faster than before because registration really received a major boost... all compared to beta46. Â Before I release it, I will make sure that everything is working properly and then I will release it.
Hi, I am stacking 92 light frames (OIII), 25 flats, 30 darks, 25 dark flats. The resultant integrated image produces a swirl as shown. Stars are rough and nebulosity is completely gone. Similar integration with Ha and SII frames was fine. What am I doing wrong? Thanks.
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That's an effect I've not really seen before. Can you tell me more about your setup and if there was any difference with shooting in Ha and SII? Are you dithering during data acquisition?
Hi, no difference in setup, data acquired using all three filters during same sessions over a period of a few weeks, same PHD2 small dither, etc. Deep Sky Stacker handles the exact same image and callibration set without issues (basic stretch applied):
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Ok, would you be able to upload a subset of all data (incl. calibration data) to our server for analysis?
Hi, data uploaded. Thanks
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This is what I see post integration using the same:
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Thank you, I'll have a better look
I noticed that the flats you provided have almost no signal, if you disable stretching it should have a nice signal at approx. 2/3 of the spectrum. Is that a mistake while uploading or actually the case? So I processed without flats or dark-flats. DSS has far simpler algorithms and that may have "helped" in this case, but they still wouldn't be correct flats.
This is the result I then get:
Little bit of post processing:
Thanks for going to the effort to check, I will review my calibration frames and run again, and let you know.
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