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 working on a mosiac (see this thread) and am reviewing my settings. I've noticed that on the Integration tab, I'm unable to enable / toggle the local normalization rejection option. I'm on Beta 36 but this has been the case for the last 4 releases at least.
Not sure if that option is tied to another setting so that is why it is forced off but want to confirm. The tooltip does appear when I hover over it.
@snapthot In order to use that option, you need first of all change the integrate option from "automatic" to something else, which will then allow you to select a rejection method from the default of "No rejection", when you select another option the tickbox will be available to you
If you leave it set to "No Rejection" you are unable to select the tickbox
Thanks Simon. Figured it was tied to another option but couldn’t figure the magic sequence. 🤣
@snapthot No problem at all. I've wondered about the same option in the past, so you are not alone 🙂
