M31 RGB, Jeff Donaldson

M31 RGB

M31 RGB, Jeff Donaldson

M31 RGB

Equipment

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Acquisition details

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Description

Object: M31 / Andromeda Galaxy

Location: Enfield, NS Canada

Camera: Canon XSi / 450D Gary Honis Full Spectrum modified

Filter: None

Telescope: Orion 8" F4 Astrograph

Mount: Celestron CGEM

Guiding: Celestron 80mm Guidescope with an Orion Starshoot Autoguider.

Focusing: Rigel nStep ASCOM stepper Focus Motor

Subs_RGB: 15x300s @ ISO800

25 Darks, 25 Bias, 25 Flats

Aquired with: Sequence Generator Pro

Processing: DSS

Post-Processing: Pixinsight 1.8 RC7

Used DSS this time because I can't find a way in Pixinsight within the batchpreprocessing script to force it to use Camera color correction. I ran a few iterations of colorsaturation and curves saturation, protecting the core, then inverted the core mask and ran a negative histogram stretch to tone it down. I think the color is good now.

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M31 RGB, Jeff Donaldson