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Author Topic: Imaging Uranus  (Read 489 times)

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Offline ronpal

  • Posts: 2
Imaging Uranus
« on: 10:45:32, 05 December, 2016 »
I am a beginner to planetary astrophotography, so excuse a maybe naive question.  I use an ASI120MC colour camera and am working to improve my images of Uranus.I have read that a near Infra red filter (685nm) could improve image quality. Would this statement only be applicable to monochrome  cameras,not colour?
Ron Palgrave
Meade LX200GPS  14inch
AISI120MC
Meade ETX90
Run off roof observatory

Offline Einari

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Re: Imaging Uranus
« Reply #1 on: 11:16:26, 05 December, 2016 »
Mono version is bit more sensitive than color at those wavelengths but the real problem is that only the red pixels in chip will receive photos.
So you lose resolution.
In practise it's only useful with mono cams and bigger scopes.
Tapio

Celestron C8, C9.25" & Hyperstar, iOptron CEM60-EC, TS 80 triplet,  Coronado PST, SXV-694,  ASI120MM/ASI174MC Cool

Offline ronpal

  • Posts: 2
Re: Imaging Uranus
« Reply #2 on: 20:07:41, 05 December, 2016 »
OK thanks. Ihave a14 inch SCT which might help partly  offset the resolution issue . But at best it seems likely to be dissapointing with a colour camera.  Perhaps the money would be better  spent on an  ADC.

Ron Palgrave
Meade LX200GPS  14inch
AISI120MC
Meade ETX90
Run off roof observatory

 

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