PixInsight Workshop by Vicent Peris
28 – 29 June 2014
Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts, USA

4 — Narrowband Techniques

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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.

Mouseover:
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.

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