PixInsight Intensive Workshop by Vicent Peris
7 – 13 September 2014, Katonah, New York, USA

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HaRGB Combination Techniques

M51 image acquired through the 1.23 meter Zeiss telescope at Calar Alto Observatory.

Mouseover:
Broadband RGB image of M51.
Broadband data of M51 combined with H-alpha data enhanced ×4.

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M33 image acquired through the 1.23 meter Zeiss telescope at Calar Alto Observatory.

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H-alpha image.
H-alpha image cleaned from the continuum emission of the red image.
H-alpha cleaned image with contrast enhancement.
RGB image.
HaRGB image. See that the star colors are well preserved.