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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.

 

Remove light pollution question

3 Posts
2 Users
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(@alexlee24)
Main Sequence Star
Joined: 5 years ago
Posts: 23
Topic starter  

I have a question that was I don't know was my "remove light pollution" is not clean or just my image is not good(captured at 90% humidity), my M31 background looks some places brighter than other places, this made my image looks weird, how do I fix this problem, or what should I do to make the picture looks better. 

Thank you so much, cheers.

canon 90d + Vixen ED102sswt, 600s*15

M31 1


   
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(@daveco2)
Brown Dwarf
Joined: 5 years ago
Posts: 5
 

Looks like the histogram is a little too far right, leaving too much space on the dark edge.  Add darkening and a lot of the gradients would disappear.  Otherwise, a nice image.  I guess it's ok to modify your image as shown below.  If not, (note to the moderator), please delete this reply.

galaxy

 



   
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(@alexlee24)
Main Sequence Star
Joined: 5 years ago
Posts: 23
Topic starter  

@daveco2 Wow, this looks better! thank you! I'll try later.



   
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