Sunspot Group No. 3403
Photo description / processing
Sunspot Group No. 3403, TAL-250K, prime focus 2150 mm, AstroSolar Photo aperture filter + SolarContinuum, ASI ZWO178mm camera, scale 75% of original. The seeing conditions during imaging correspond approximately to 2 points on the Kuippenheyer 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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