Using darks and lig...
 
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Mar 28 2026 APP 2.0.0-beta40 will be released in 7 days.

It did take a long time to have the work finished on this and it  will have a major performance boost of 30-50% over 2.0.0-beta39 from calibration to integration. 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 will be released which works much better and faster than LNC in it's current state. And more, all will be added to the release notes in the coming weeks...

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.

 

Using darks and lights of different exposure times

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(@umasscrew39)
Red Giant
Joined: 7 years ago
Posts: 34
Topic starter  

Can I use darks and lights of different exposure times for an object (e.g., 300s and 600s) along with my usual flats and dark flats for a single integration run?  



   
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(@wvreeven)
Quasar
Joined: 8 years ago
Posts: 2134
 

@umasscrew39 You can but you'll need bias as well so the darks (or master dark if you have one) can be properly scaled to the other exposure time. 



   
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(@umasscrew39)
Red Giant
Joined: 7 years ago
Posts: 34
Topic starter  

OK- that doesn't sound appealing.  I thought I only needed dark flats- not both bias and dark flats. 



   
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