Sun on April 23
Photo description / processing
Sunspot groups 2993, 2994, 2995, and 2996. Captured on April 23 through a Sky-Watcher bkp2001 telescope (aperture masked to 50mm) with a QHY5III290C astro camera at prime focus. Recorded in SharpCap, stacked in AutoStakkert3, deconvolution in Astro Image 3.0SI, post-processing in Photoshop. 3% of 12,000 frames stacked. Exposure 12ms, gain 0.
Technical information
- Telescope/Lens
- Sky-Watcher BKP2001
- Camera
- QHY 5III290C
- Mount
- Sky-Watcher HEQ5 Pro
- Software
- SharpCap, AutoStakkert!, Astra Image 3.0SI, Adobe Photoshop
- Location
- Уссурийск, Россия
- Date taken
Exposure
- 360 × 0.012″ · ISO/Gain: 0 ·
Total exposure: 0 m









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