Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  NGC 7640
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NGC 7640 LHaRGB, John D
NGC 7640 LHaRGB
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NGC 7640 LHaRGB

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Description

Somewhat neglected almost edge on Barred Spiral NGC 7640 in Andromeda. Estimated at 29mly distant. The Ha data reduced to 40% on the red channel. Some very faint IFN present which I did not bother to try to bring out (you can kind of on the screen in a dark room). Seeing ranged from very good to fairly poor.

Lum = 72x 600 1x1

Ha = 22 x 1200 1x1

RGB = 22 x 300 2x2 (each)

Original image = raw Lum data stack

Image A = raw Ha data stack

Image C = LHaRGB

Thanks,

John D

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  • NGC 7640 LHaRGB, John D
    Original
  • Final
    NGC 7640 LHaRGB, John D
    C

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NGC 7640 LHaRGB, John D

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