May 27 2026 APP 2.0.0-beta45 has been released !
Fully Multi-Threaded LNC, many improvements for the registration engine, platform upgrade, and further tuning of internal memory consumption and memory release back to OS.
Apr 14 2026: Google Pay, Apple Pay & WeChat Pay added as payment options
Update on the 2.0.0 release & the full manual
We are getting close to the 2.0.0 stable release and the full manual. The manual will soon become available on the website and also in PDF format. Both versions will be identical and once released, will start to follow the APP release cycle and thus will stay up-to-date to the latest APP version.
Once 2.0.0 is released, the price for APP will increase. Owner's license holders will not need to pay an upgrade fee to use 2.0.0, neither do Renter's license holders.
I've tried using all variations of flats from 12k ADU up to 40k ADU. At 40k ADU they overcorrect. I settled on 28.5k ADU and yet, they still don't remove all the dust motes. Just the 3 lightest ones. Two darker ones will not correct out. The camera was not moved, and I've been able to shoot a ton of variation on the flats at all those ADU values, as well as Flat-Darks. All calibration frames are at the proper temperature, and exposure. I'm at a loss.Â
Please take a look and see what the issue might be. I don't have this issue on my mono camera, so I don't know what might be wrong here. Bayer matrix is RGGB.
Dropbox download of 20 lights, 10 darks, 10 bias, 10 flat, 10 flat-darks.
Thank you Andrew! At the moment we're preparing for Astrofest London, so if you could wait till Tuesday next week, that would be very appreciated. I'll download the files then.
Are you still having this problem. I have the same issue with zwo asi 183mc and still trying to sort it out. I also have no problem with my qsi 690
Not anymore. I'm convinced the issue was my large telescope, and not camera calibration issues. I've been imaging with an EdgeHD 11, and focus changes wildly overnight due to temperature changes. These temperature changes and their effects on focus, means that the flats (set at my last focus distance from the nights imaging session), were only properly correcting a partial set of frames, and that earlier frames from the same imaging session were too far off focus from the last set, such that the dust donuts weren't getting corrected out. I don't tend to have this issue with my smaller refractors which are less effected by temperature changes, and therefore, easier to correct.
Are you still having this problem. I have the same issue with zwo asi 183mc and still trying to sort it out. I also have no problem with my qsi 690
Flats not working properly can have all kinds of causes, maybe you could make a new topic in which we can investigate?
