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NGC 7293 - Helix Nebula - HaLRGB | by Paddy Gilliland @ Image The Universe
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NGC 7293 - Helix Nebula - HaLRGB

Telescope: Astro-Physics RH 305

Imaging camera: FLI MicroLine 8300 CCD-camera FLI

Mount: Paramount-ME

Software: Pixinsight 1.8

Filters: Astrodon Red, Astrodon Green, Astrodon Blue, Ha 5nm, Astrodon Luminance

Resolution: 3264x2400

Dates: Oct. 12, 2017, Oct. 14, 2017, Oct. 16, 2017

Frames:

Astrodon Blue: 18x600" bin 1x1

Astrodon Green: 18x600" bin 1x1

Astrodon Luminance: 25x600" bin 1x1

Astrodon Red: 17x600" bin 1x1

Ha 5nm: 21x600" bin 1x1

Integration: 16.5 hours

Locations: Deep Sky West Remote Observatory (DSW), Rowe, New Mexico, United States

Been a few weeks since I last processed.

The Helix Nebula is one of those iconic deep sky objects (planetary nebula) that draws you into the hobby.

A lot more difficult to process than I had anticipated! Happy with the result though I will revisit with some much longer exposures for the outer shells.

For those at the International Astronomy Show 2017 I have used both the Lum and the colour stretching approaches I presented.

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Uploaded on October 18, 2017