Astrophotography by Mario Cogo

The Sun 20 Feb 2025

 Sun 20 Feb 2025 Mosaic-a

Sole del 20 Febbraio 2025 - bel gruppo di protuberanze mentre sul disco sono visibili le macchie AR 3989 e 3990.

- Date / Location : 20 Feb 2025 from Galaxlux Observatory "Vicenza - Italy"
- Lens / Camera : Home-build Refractor iStar Optical H-alpha 150mm f/10 - Baader TZ3 - Solar Spectrum 0.5A° - P1 Neptune-M IMX-178
- Mount / Guide : Astro-Physics 1200 GTO
- Exposure Time : Lucky Imaging 55 x 5,5ms, two panel mosaic
- Processing : Single Stack, Sharpcap (Acquisition), AS3, IMPPG, Photoshop (No AI post-processing tools)
- Note : Good Seeing

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