Spectral type: M9 (Red dwarf, coolest) Surface temperature in the range: 2,400–3,700 K IR – Infrared wave source Mag: 15.35 Stars M class are most common. About 76% of the main sequence stars in the spectral band of the Sun (class G) are class M stars (red dwarfs), their brightness
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Astrophotography by Dariusz Krzempek
During an astrophotography session in outdoors,
You can find many different power
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