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.
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