The Pleiades, or "S...
 
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Apr 14 2026: Google Pay, Apple Pay & WeChat Pay added as payment options

Apr 12 2026 APP 2.0.0-beta41 has been released !

It has a major performance boost of 30-50% over 2.0.0-beta39 from calibration to integration, for mosaics even faster! We extensively optimized many critical parts of APP. All has been tested to guarantee correct optimizations. Drizzle and image resampling is much faster for instance, those modules have been completely rewritten. Much less memory usage. LNC 2.0 has been released which works much better and faster. Improved Outlier Rejection with LN 2.0 rejection. macOS CMD+A works now in file chooser ! And more...

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.

 

The Pleiades, or "Seven Sisters" (Messier 45) 3 hours with OSC, No filter

5 Posts
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(@astroshed)
Red Giant
Joined: 7 months ago
Posts: 38
Topic starter  

Took this late last year, but only just had a go at processing it, using the new superb TStar processing software, it was stacked in APP with a few tweaks first, then moved to TStar.

3 hours of 2 min subs, no filter, with QHY268c camera, and Esprit 100 scope on my CEM70 mount, from bortle 6-7 skies

Stacked with no darks, flats or bias, just raw subs, as need to do a new dark library 

 

processed in TSTAR


   
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(@supernov)
White Dwarf
Joined: 7 days ago
Posts: 13
 

That's a lot of signal! Well balanced as well, almost looked a bit high in contrast, but I like it.



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5119
 

Hi Stewart, @astroshed 

Wow, that looks really nice, good colros and plenty of nice nebula, I like it !

Thanks for sharing 😉

Mabula



   
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(@astroshed)
Red Giant
Joined: 7 months ago
Posts: 38
Topic starter  

@supernov 

Thanks

yea I was not sure if I had overdone it too, I did push it a bit s was only 3 hours and 20 mins of data, I will add more and process again soon 



   
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(@astroshed)
Red Giant
Joined: 7 months ago
Posts: 38
Topic starter  

@mabula-admin thanks very much, better than I thought for such a small integration time



   
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