2026-10-09 APP 2.0.0-beta48 has been released !
This is mainly a bug fix release for the reported bugs in beta47. In addition it has a significant User Interface performance improvement noticable when you need to process 1000s of images in APP.
2026-10-03 APP 2.0.0-beta47 has been released !
This is a very big release... many code optimizations/rewrites, many parts of APP are much faster and more precise, especially star analysis and registration are much faster ! Big mosaics will go much faster 🙂
And we introduce a new preview filter, which includes the new Adaptive Deep Sky Stretch and a General Levels Stretch, this has been long over due. The old preview filter (the panel on the right side to stretch and preview your data) has not been updated for a couple of years and it is a critical part of any APP session.
Adaptive Deep Sky Stretch or ADSS is a much more intuitive stretch algorithm. It is also color preserving (which is a great new addition in itself ! ) which means that the highlights are no longer bleached, color is maintained from the linear data while stretching. You can simply stretch your data using the sky background level and signal width sliders which work much easier and more intuitive. You no longer need to fiddle with the old complicated sliders with zoom buttons. All the zoom buttons for the sliders are made redundant. And you can enter slider values in the slider value fields yourself. I will make a youtube video in the coming days to explain and fully introduce ADSS. Once the video is ready, it will be highlighted on the forum.
RGB Combine upgrade !. The RGB Combine Tool has been rewritten mostly. The tool is faster and easier to use and most importantly, the Luminance slider to inject a luminance channel or channels into the RGB composite is now working correctly. It no longer bleaches the RGB colors. Combined with the new ADSS preview, you will get much better and easier great composites with great color! I will also explain this in a new youtube video.
Update : for some reason it now works again. I'm puzzled!
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Hello,
Running the latest release, Version 1.074.1 (1.074.1).
It used to work very well, 5 days ago.
When I launch APP, the top menu briefly shows up (5 seconds or so), and them the app quits on its own. The main window doesn't show up.
I re-downloaded/reinstalled the program, to no avail.
What changed on my end is the screen resolution (now using a Dell U2718Q at full res:Â 3840*2160, 60Hz; was slightly lower before).
Running on a MacBookPro, see attached
Help!
Thanks in advance,
Hi @rodolgo,
Yes, that's puzzling. Can't tell from your info what could have caused that. Maybe a temporary memory problem or Java itself had some issues? Usually restarting OSX helps in these cases (even though it's rarely needed on that system).
Check if there was a Java update. On MacOS that is more a problem than on other OS's due to the "one day" bug in 1.6 some years ago. Since then Java updates are aggressively pushed or... aggressively ignored by Apple (won't be installed).
Haha... Good point indeed.
Will have a look at it. I can't recall of a late update but if it happens silently then that could explain thingsÂ
ThanksÂ
Unfortunately, same happens again today...
Removed, reinstalled the app - to no avail. Even tried the beta version, same behavior...
So I went and tried to check if any Java update was due.
The control panel shows the same behavior - launches and quits unexpectedly.
So went on and removed Java altogether, and reinstalled the latest version - same behavior again...
Am I cursed?
Help!!!
Thanks!
What happens if you open a terminal, go to the directory with the APP executable and start it? Perhaps it will show a stack trace or some error if and when it quits.
Â
Wouter
Hi, didn't try that yet, but will do next time. For some reason, after restarting the machine, it worked back again O_o
Aahh the Good Ol' Restart Thy Computer solution! Glad to read that you were able to solve this.
Does sound like your system is doing something from time to time to mess with either Java or data in general. Do you notice other weird behavior from other programs?
