NGC 6960 Veil Nebula (Witch’s Broom)

NGC 6960, also known as the Witch’s Broom, is part of the Veil Supernova Remnant in Cygnus, at a distance of 2,400 ly from Earth.

This narrowband image is captured in the SHO Hubble palette, with [S II], H-alpha and [O III] emission assigned to RGB channels respectively. It was obtained with the A1 telescope installed at the Alnitak Remote Observatory in Nerpio, Spain:

  • 0.43 m PlaneWave CDK17 f/6.8 Corrected Dall-Kirkham Telescope
  • Software Bisque Paramount ME German Equatorial Mount
  • Moravian Instruments C3-61000 Pro, Back-Illuminated CMOS Camera
  • Chroma 50 mm filters (5 nm narrowband)
  • FLI CenterLine CL-1-14 12+2-position Dual Color Filter Wheel
  • Optec Sagitta Off-Axis Guider with ASI174MM Guide Camera

Acquisition software: DC-3 ACP, MaximDL Pro, TheSky X
Processing software: DeepSkyStacker, PixInsight, RC Astro BlurXTerminator and NoiseXTerminator, GIMP.