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.
I've been attempting to run a multisession LRGB stack several times, without success.
I get as for as about 18% through normalisation then processing is halted my this:
Encountered error in module:
OverlapBetweenTwoImageObjectsCreatorWorker
Error message:
java.lang.ArrayIndexOutOfBoundsException
Cause:
null
no trace
Any clue to what went wrong?
NB - My Luminance and RGB are of dissimilar camera and optics, but I've unchecked the option in registration and set normalization mode to advanced. The same as I always do when processing different image scales.
Thanks
Please follow this to your workflow. I've just figure it that this is not working with an RGB image directly, but you have to split it to channels first.
Please follow this to your workflow. I've just figure it that this is not working with an RGB image directly, but you have to split it to channels first.
Excellent, thanks for that.👍
Any chance the developers could amend a future release to automatically check the "split channels" box when RGB is selected in the multichannel options list?
It would avoid further confusion.
Yes that would indeed be nice. The feature to make this simply possible will come however, if it is implemented that workflow will be a lot simpler. I don't have a specific ETA, but I do know it is on his shortlist.
