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. Before I release it, I will make sure that everything is working properly and then I will release it.
With my RASA8 Iv'e shot 184 light subs of a galaxy field under the new moon, with som pretty heavy gradients caused by the moon.
My normal flats wont work for this as it only takes care of vignetting. So I made a synthetic master flat from the stacked lights in Pixinsight, a master flat that to me looks very promising. (I first tried to make a synthetic flat in APP, but due to the limited gradient options it didn't turn out good) This PI master flat was then saved as a 32 bit float fits.
The problem is, and I've tried everthing solution I possibly can find on this, but no matter what I do, APP does not calibrate the lights with this master flat. The results look identical with and without this master flat loaded.
I am able to fix the gradients with the Light Polution Tool, but I would reaaly like to get the synthetic master flat thing working as I see a lot of potential in this for different reasons.
I've attached a light sub and the master flat I made in PI.
Calibration frames made in other software, won't work very well (if at all) in APP as the way other software produces that data, differs. It's always best to use the same software for both data and calibration data so you know both are treated in the same way. In your specific case, your regular flats should work fine, taking out the vignetting indeed. What remains is light pollution is this is exactly where the LP tool is made for. A flat or synthetic flat won't take care of that very much.
