H-alpha Canon 700d ...
 
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H-alpha Canon 700d comes out as hubble colors?

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(@arnom)
Brown Dwarf
Joined: 8 years ago
Posts: 2
Topic starter  

Hello

I have tried this several times with different sessions, but I guess I have a setting wrong.

Camera = Canon 700d DAW mod
Filter = Baader 7nm h-alpha filter.
600sec lights, 2 sec flats
Telescope: Skywatcher Evostar 72ED

Whether I choose "H-alpha" when loading the lights, or RGB, the endresult that APP comes out with is a picture that resembles more of a Hubble palet picture than an OSC H-alpha (almost fully red). Why does this happen and how can I turn that off?

 

Thanks in advance

app hubble


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

@arnom My guess is that the filter lets pass through more than Ha only OR that the G and B pixels of the camera are sensitive for Ha as well. The integration result probably is an RGB image and the histogram shows G and B peaks as well. You can split the RGB image in R, G and B images in tab 2 of APP and then only use the R image. 



   
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