The Sun. Sunspot groups: 2918, 2921

Sun. Sunspot groups: 2918, 2921 Date: 30.12.21 Time: UT +3; 11:58 Location: Mikhaylovsk, 5th-floor balcony Apparent diameter: 0°32' 31.74" Magnitude: -26.78 Altitude above horizon: 21° Azimuth: 177° Distance from Earth: 0.983 AU (147.109 million km) Equipment: Telescope: SW 150/750 EQ5 OnStep Camera: ZWO ASI178MM Filter: ZWO R Barlow lens: Svbony 3x Capture: 1-minute video, 3000 frames Software: FireCapture (Gain: 0 (0%), Exposure: 4.850ms, FPS: 50, Resolution: 3096x2080, Histogram: 64%) / AutoStakkert3 / Astra Image 3.0SI / Photoshop CC 2015