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2023-03-15: APP 2.0.0-beta14 has been released !

IMPROVED FRAME LIST, sorting on column header click and you can move the columns now which will be preserved between restarts.


We are very close now to  releasing APP 2.0.0 stable with a complete printable manual...


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Bad Pixel Map

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Brown Dwarf
Joined: 6 years ago
Posts: 3
Topic starter  

I am trying to figure out what files are needed to create a bad pixel map.  In Sara Wager's video she only uses darks and flats.  But when I try doing that I get an error message saying that a Master Flat cannot be created without an appropriate bias frame.  Or something to that effect. 

Certainly the interface has changed since Sara's video.

What is really required?

Also, if I have a OSC camera I assume I need to have the "Force Bayer CFA" box checked in the Raw/FITS settings?




This topic was modified 4 years ago by astrojoe

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Universe Admin
Joined: 6 years ago
Posts: 5368

For a BPM you need Bias and Dark signal (preferably a long dark) and flats to be able to detect cold pixels. I'm not sure if your darks already had bias substracted or that it was changed since the video, but to be safe you can just add the bias separately.

You shouldn't have to use the force option, APP normally sees this automatically.