Sun. Sunspot group: 2891

Sun. Sunspot group: 2891 Date: 28.10.21 Time: UT +3; 10:50 Location: Mikhaylovsk, 5th-floor balcony Apparent diameter: 0°32' 11.73" Magnitude: -26.75 Sun altitude above horizon: 29° Azimuth: 161° Distance from Earth to Sun: 0.994 AU (148.633 million km) Equipment: Telescope: SW 150/750 EQ5 OnStep Camera: ZWO ASI178MM Filter: ZWO R Barlow lens: Svbony 3x Video: 1 minute, 3000 frames Software: FireCapture (Gain: 0 (0%), Exposure: 4.350ms, FPS: 47, Resolution: 3096x2080, Histogram: 64%) / AutoStakkert3 / Astra Image 3.0SI / Photoshop CC 2015