Sunspot Group No. 3391 on August 6, 2023.
Photo description / processing
Sunspot Group No. 3391, TAL-250K telescope, prime focus 2150 mm, AstroSolar Photo aperture filter + SolarContinuum, ASI ZWO178mm camera, 100% scale from original, crop. The seeing conditions during imaging were approximately 1-2 on the Köppenheuer scale.
Technical information
- Telescope/Lens
- TAL-250K
- Camera
- ZWO ASI178MM
- Mount
- Sky-Watcher HEQ5 Pro
- Software
- AutoStakkert! 3, AstroSurfase, Adobe Photoshop CS3
- Location
- Обсерватория , Россия
- Date taken
Exposure
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