The Eight-Burst Nebula or Southern Ring, Caldwell 74

Posted: Apr 22nd, 2026

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NGC

IC

HD

Technical Info

Telescope/Lens: ASA RC-1000AZ

Camera: FLI ProLine 16803

Mount: ASA Integrated

Software: Siril, GraXpert, Lightroom, StarNet++, Photoshop

Exposure:

2 x 300" ISO/Gain: 0 - Astrodon L

2 x 300" ISO/Gain: 0 - Astrodon R

2 x 300" ISO/Gain: 0 - Astrodon G

2 x 300" ISO/Gain: 0 - Astrodon B

Black, Bortle 1 zone:

Observatorio El Sauce Rio Hurtado , Chile

40 m

9

0

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Resolution: 3333x2083 px

Scale: 4338 KB

153

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.

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