Messier 97

Vicent Peris (OAUV/DSA), José Luis Lamadrid (ceFca / DSA), Jack Harvey (SSRO/DSA), Steven Mazlin (SSRO/DSA), Juan Fabregat (OAUV), Gilles Bergond (CAHA), DSA, RECTA, CAHA

Telescope

CAHA 1.23, 2.2 and 3.5 meter telescopes.

Camera

2Kx2K SITe back-illuminated CCD sensor; 24 um pixels, 0.5"/pixel.

Exposure

5 hours total exposure.

Filters

Strömgren b and y; O-III 9 nm FWHM, H-alpha 5 nm FWHM, ALHAMBRA Survey 489 nm 30.5 nm FWHM.

Processing

PixInsight Core 1.5

External Links

Official CAHA image release.
Image and DSA presentation in DSA website.
Processing notes in PixInsight Blog
RECTA website

Agreements

Special agreements to Fernando Ballesteros (OAUV) for sharing his method for continuum flux calculation, employed in this image.

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