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Author Topic: M17 - fairly deep and colourful narrowband  (Read 1872 times)

Offline RickS

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M17 - fairly deep and colourful narrowband
« on: 2014 August 21 14:33:55 »
About 38 hours of Ha/OIII/SII in what started out as Hubble Palette but had many CIELAB curves applied to it!  There are also some RGB stars in there.  Scope was a Ceravolo 300 (2760mm focal length) and the camera was an Apogee U16M.



Cheers,
Rick.
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