Improving Overlap E...
 
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June 24 2026 APP 2.0.0-beta46 has been released !

Improved internal memory configuration (lower ! memory usage), fixed beta45 startup issue, fixed Set Save Directory & 2-panel mosaics.

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.

 

Improving Overlap Edges from Multiple Sessions without perfect alignment

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(@richk67)
White Dwarf
Joined: 5 years ago
Posts: 7
Topic starter  

I took just under 14 hours of shots of the Markarian's Chain with my Canon 6D mkii (non-modded). This was done in 4 sessions, with flats, darks, and bias for each night. APP 1.082 has done a nice job on the central portion of the chain from my composition, but the edges of the mis-aligned frames are clearly visible in the background. Each session had a meridian flip, and I think the bottom image edge doesn't flatten out always, so appears top and bottom in these images as faint bands.

Are there any tips you may have that could improve the integration so that these bands don't appear?

I've attached the stretched integrated image, and a crop to show the crop I would like. For those interested, I've also attached my processing of the core. Happy with that part, but I'd like to have the wider composition with some of the surrounding galaxies.

All help and comments appreciated. Thanks.

MarkariansChain
MarkariansChain RGB StretchCropIdLike
MarkariansChain RGB Stretch

 



   
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(@Anonymous 174)
Joined: 9 years ago
Posts: 5702
 

Yes, enable LNC and MBB (Multi Band Blending) in tab 6 Integrate. Did you do that? I would use the standard settings for LNC and MBB to about 10%. If you did do that, you can go to each panel integration and perform LPC correction first, save that and repeat that for each panel, then mosaic integrate it again, followed by another LPC correction on the mosaic.



   
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(@richk67)
White Dwarf
Joined: 5 years ago
Posts: 7
Topic starter  

@vincent-mod Ah, I did do LNC level 1 3step, but not the MBB. I'll try that now 🙂



   
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(@richk67)
White Dwarf
Joined: 5 years ago
Posts: 7
Topic starter  

That fixed it... many thanks. Just switched on Multi Band Blending 🙂

MarkariansChain2 NoBanding

 



   
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(@Anonymous 174)
Joined: 9 years ago
Posts: 5702
 

Awesome, have fun! 🙂



   
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