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.
Hi all, I have two images completely processed in APP, the top and bottom sections of the Veil Nebula. Can I just load these two images in APP to make a mosaic?
regards Dave
In theory yes, depending on the amount of overlap they have. Recommended is at least something like 10%. You also need to set a few different settings.
Thanks Vincent, I'll give it a try
Dave
Would the the other alternative be to load all the lights from both sessions all at once?
Yes, depending on the amount of subs, if they go above 100 or so it might tax your system a bit much and then it becomes better to first prepare seperate panels like you did already. Make sure the overlap is good and set APP to advanced mode and mosaic mode. Turn LNC on as well.
Many thanks for your speedy reply Vincent.
It would be over the 100, so I'll try with the separate panels.
Dave
Let me know if it works out. 🙂
Hi Vincent,
The image was made over 4 sessions/evenings, 2 using the Optolong L-eNhance filter and 2 with just the IDAS LPS P2 filter. The lights from each session were processed separately, which resulted in 4 processed images, 2 RGB and 2 extracted Ha-OIII.Â
I first loaded the two completed RGB panels, top and bottom, and let APP make the mosaic.
I then loaded the two completed Ha-OIII panels, which were extracted using APP, and let APP make a mosaic of these.
I then took the 2 finished mosaic's into photoshop and did an HaRGB combine.
Hope this helps others!
Dave
Â
Well that looks amazing! I still remember the days when making mosaics was daaaays of manual labour. 😉
Thanks Vincent, it's amazing wat Mabula has put together in APP!.
