Helix Nebula bi-color

Full Ha frame at native resolution:

Bi-color crop at native resolution

Image details:

  • Mount Atlas
  • OTA Epsilon 160
  • Camera Atik 460EX
  • Filters Astrodon 5nm
  • 41 x 20m frames Ha @ 1×1
  • 12 x 20m frames OIII @ 2×2

 

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