Calibration questio...
 
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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.

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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.

 

Calibration question

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(@contactdeepskyconnect-uk)
Brown Dwarf
Joined: 3 years ago
Posts: 4
Topic starter  

I'm new to APP so please excuse the very basic question.

Having loaded the light frames, dark master, bias master and flat master and going to the calibration tab apart from assigning the masters to the lights do I need to click any other buttons, apart from options like hot pixel correction, to move to the next stage. I don't see a button, unless I missed it- that says calibrate. I'm hoping that calibrate just happens having assigned the correct masters when moving to the next stage of the processing.

Please confirm.

Thanks

 



   
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 Tan
(@thabib)
White Dwarf
Joined: 5 years ago
Posts: 11
 

@contactdeepskyconnect-uk "Create Masters & assign to Lights" will calibrate and apply to the lights.



   
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 Tan
(@thabib)
White Dwarf
Joined: 5 years ago
Posts: 11
 

@contactdeepskyconnect-uk "Create Masters & assign to Lights" will calibrate and apply to the lights.



   
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(@connor231)
Neutron Star
Joined: 7 years ago
Posts: 125
 

Mark

You will find a workflow that works for you, but most of the time I just load my lights and masters and then go to tab 5 and hit the "normalize lights" button. The I look at the analytical graph and decide whether to delete any subs and then go straight to "integrate" at the bottom of tab 6. This is assuming I'm not doing a mosaic or a comet or whatever. APP works very well with the default settings in most (not all) cases.

By the way - you don't have to load a master bias if you have a master flat, the bias is only used to create the master flat. If you are making your master flat that's a different story, but even then I would suggest that using darkflats intead of bias is to be preferred.

JC

 



   
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