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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.

 

Master dark

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(@doug64)
Main Sequence Star
Joined: 9 years ago
Posts: 14
Topic starter  

Hi,

I've just started back doing some astrophotography having been absent for a while due to illness.  In this time APP has changed a fair bit.

I've also moved from a DSLR to a ZWO Asi 1600MM and I'm in the process of creating a darks library. Having taken 100 images at each setting I now want to create master darks for each setting to use in the future.

Looking at APP I can open my 100 images and when I go to calibrate there is now a setting for automatic can I just use this to create my master darks or do I have to enter Average etc like I used to do.

Thanks

Doug



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

Automatic should work fine yes, rejection parameters and what algorithm to use is then set properly. Don't forget to select to create a BPM, which you can use regardless of the gain.



   
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(@doug64)
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Joined: 9 years ago
Posts: 14
Topic starter  
Posted by: @vincent-mod

Automatic should work fine yes, rejection parameters and what algorithm to use is then set properly. Don't forget to select to create a BPM, which you can use regardless of the gain.

Hi Vincent,

Thanks for the reply.

I've not done a BPM at this time as I only have darks and I was waiting until I have some dark flats as I've read you should not use bias frames with the Asi 1600MM.

Having not used the Asi 1600 before when I make the BPM do I only have to make it once.  I don't have to make one for each gain/offset.

Thanks

Doug



   
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(@doug64)
Main Sequence Star
Joined: 9 years ago
Posts: 14
Topic starter  

Sorry, just read your reply again and see that gain etc doesn't matter.

Doug



   
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