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.
So i've found the source of all my issues here.
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Im not sure how this wasnt an issue last year at f7/f10, but at least with the target i've been shooting it is.
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There is a nearby shopping center in my bortle 5 sky, the light aims at the eastern side of the dome, the target is up above the shopping center basically (at around 62 degrees though). The angle of the light coming in apparently made the Lpro filter create a weird line on the right side and over time it lead to the uv-ir cut looking like in my image.
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I proved this by first trying a velcro strip around the drawer to rule out light there (it did seem to help with light tests).. but i think the brunt of the light comes around the dew shield. So i took 2 poles and put a tarp between them through ladders and blocked out the light.. my star count jumped from 38 to 49 and then when I integrate over more than 4 frames the distortions and brighter areas are gone (the flats only work so well i guess)
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I swear the zwo mini wheel worked without this issue though, but maybe that was a fluke or the angle by late at night had moved away from the ambient light.
Wow, nice find! Things like that indeed can cause issues and especially when shooting with faster scopes, thanks for sharing!
