NGC 7293 - Helix Nebula - HaLRGB
Telescope: Astro-Physics RH 305
Imaging camera: FLI MicroLine 8300 CCD-camera FLI
Software: Pixinsight 1.8
Filters: Astrodon Red, Astrodon Green, Astrodon Blue, Ha 5nm, Astrodon Luminance
Dates: Oct. 12, 2017, Oct. 14, 2017, Oct. 16, 2017
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.