C49 Rosette Nebula 180s 12Jan23
This is the Rosette Nebula (C49) taken on Jan 12, 2023. The nearby stars are responsible for the nebula’s glow. Their radiation ionizes the surrounding clouds of gases, causing them to emit their own light. The nebula glows in the red part of the spectrum because the powerful ultraviolet radiation from the stars strips electrons from the nebula’s hydrogen atoms.
Tracker AM5
Camera ASI294MC Pro @ gain 121
Lens Sigma 150-600 @500mm
70 - 180second exposures for 3.5 hours integration
30 - Dark, Flat, Dark Flat calibration files
Stacked in DSS
Background extraction, color calibration in SiriL
Curves, Levels, sharpening in Photoshop and Camera Raw
C49 Rosette Nebula 180s 12Jan23
This is the Rosette Nebula (C49) taken on Jan 12, 2023. The nearby stars are responsible for the nebula’s glow. Their radiation ionizes the surrounding clouds of gases, causing them to emit their own light. The nebula glows in the red part of the spectrum because the powerful ultraviolet radiation from the stars strips electrons from the nebula’s hydrogen atoms.
Tracker AM5
Camera ASI294MC Pro @ gain 121
Lens Sigma 150-600 @500mm
70 - 180second exposures for 3.5 hours integration
30 - Dark, Flat, Dark Flat calibration files
Stacked in DSS
Background extraction, color calibration in SiriL
Curves, Levels, sharpening in Photoshop and Camera Raw