Using Flats without...
 
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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 Flats without Flat Darks or Bias frames?

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(@whixson)
Black Hole
Joined: 8 years ago
Posts: 167
Topic starter  

Some CMOS camera companies claim noise levels so low that dark/bias calibration is often not necessary. Flats are still important I assume. Is it possible to create master flats without dark/bias calibration?

thanks

Wayne



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

@whixson Hi Wayne, darks are useful for eliminating hot pixels from loghts and flats so you still should take them and use them.



   
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(@whixson)
Black Hole
Joined: 8 years ago
Posts: 167
Topic starter  

Can I use flats without matching darks though?



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

@whixson APP will complain if you do and the lights will not be corrected with the flats. 



   
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