Dumbbell Nebula, M27 in Vulpecula
Another from the last few nights, and also including some earlier frames to help further reduce noise.
25 x 1-minute unguided exposures at ISO 6400 (taken 4 & 5 July 2019) and 9 x 5-minute manually off-axis guided exposures at ISO 1600 (taken in July 2013).
Astro-modified EOS 600D & Revelation 12" f/4 Newtonian reflector telescope.
Registered and stacked using DeepSkyStacker; curves adjusted in Canon Photo Professional; noise reduction via CyberLink PhotoDirector.
Dumbbell Nebula, M27 in Vulpecula
Another from the last few nights, and also including some earlier frames to help further reduce noise.
25 x 1-minute unguided exposures at ISO 6400 (taken 4 & 5 July 2019) and 9 x 5-minute manually off-axis guided exposures at ISO 1600 (taken in July 2013).
Astro-modified EOS 600D & Revelation 12" f/4 Newtonian reflector telescope.
Registered and stacked using DeepSkyStacker; curves adjusted in Canon Photo Professional; noise reduction via CyberLink PhotoDirector.