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.
Hello
I corrected the images with Dark, Flat and BIAS.
I was able to handle without problems.
But a imbalance of the brightness by OAG remained at the top left of the image,
so I want to know how to remove it.
It looks like a bit different in each of L, R, G, B.
Thank you
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You can use the LP tool for that (Light Pollution tool). Add 5 boxes around the image, make sure it's background (by stretching the image to the 30% preset) and calculate, check the result and then add 1-2 small boxes towards any gradient that is left and recalculate. Move boxes towards the gradient, not immediately on top of it.
Hello Vincent
Thank you for your answer.
I will use LP tool for the first time, so I will try variously.
This behavior is due to the fact that FLAT is not properly created?
Is it corrected by the appropriate FLAT even if there is an OAG shadow?
Thank you
If the flats work correctly I think it should be able to yes, I have no experience with this and a OAG, but a flat does correct for the overall illumination profile of the optics. Check if you can see if the flats are indeed applied, in the list below when you calibrate the lights will get "MF" added to the filenames.
Hello Vincent
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Christian Sasse's video answered a lot of questions. : Https://www.astropixelprocessor.com/complete-lrgb-tutorial-of-ngc292-the-small-magellanic-cloud-by-christian-sasse-itelescope-net-new-version-app-1-081 /
I also used LP tools like videos and LP tools had a wonderful job.
it is really amazing!
It is isn't it. 🙂 This is where advanced algorithms shine.
