The Eight-Burst Nebula or Southern Ring, Caldwell 74
Photo description / processing
One of the five targets of the James Webb Space Telescope, whose images were presented to the public in 2022. You could say it was the start of its career. The CHI-3-CCD instrument—a meter-class mirror—is no small thing.
Technical information
- Telescope/Lens
- ASA RC-1000AZ
- Camera
- FLI ProLine 16803
- Mount
- ASA Integrated
- Software
- Siril, GraXpert, Adobe Lightroom, StarNet++, Adobe Photoshop
- Location
- Observatorio El Sauce Rio Hurtado , Россия
Light pollution
Black, Bortle 1 zone
Exposure
- 2 × 300″ · ISO/Gain: 0 · Astrodon L
- 2 × 300″ · ISO/Gain: 0 · Astrodon R
- 2 × 300″ · ISO/Gain: 0 · Astrodon G
- 2 × 300″ · ISO/Gain: 0 · Astrodon B
Total exposure: 40 m
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