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 have lots and lots of subs as my setup is limited to 20s subs (defaulting to 10s). In order to reduce the overall integration time when I have hundreds (even close to 2000) of files, I do what was recommended here and process them in batches of roughly 200.
So now I have a small number of integration files. Easy enough to load them again as lights. My question is are there any parameters I should be setting apart from the defaults to maximize the results given I’m starting from files that have already been integrated (with defaults)?
For example, should I use average rather than median when integrating? Should I be removing light pollution, calibrating, etc the individual super subs (the integrated ~200 files) before loading them as lights for the final integration?
Thanks!
I would not ! post-process the 200subs stacks before integrating them into the superStack of all data.
I would make the individual 200sub stacks with automatic integration so average is used with optimal outlier rejection filters. I would enable Multi-Band-Blending on 10% to reduce stacking artefacts.
Then the superStack: also use automatic integration (depending on the amount of frames APP will use median or average automatically), advanced normalization in 5) and enable MBB again 😉
Mabula
Sounds like I'm on the right track then. Is there any benefit to changing the dynamic correction from same camera to distorted then on the super stack? Since these would be on multiple days as well as multiple sets on the same day. All are taken with the same setup, though.
Hi, I have successfully intergated stacks of 400 to 600 lights on my late2015 i7-6700 imac if you don't mind overnight processing this works fine. You can save time by skipping Local Normalization Correction and try adjusting parameters. Also it helps to do steps 0-4 (up to registration) first, then deselect worst subs and resume with Normalization & Integration. Overall the biggest bang for the buck would be a decent mount so your 20s limitation would be gone and you'd reach reasonable integration times. Second best would be to crank up amplification/ISO a step or two - with 400 subs you should be able to reduce noise by two steps: I used to work with a Sony A7II and ISO 3200 and 20 to 30 s subs.
cheers,
jochen
I've done overnight processing before as well. In my case I'm not able to change out the mount but I appreciate your suggestion 🙂 I usually blink my subs to remove the worst before I go into APP. The quality measurement tends to be very similar across all the files.
