1/12/2024 0 Comments Hello neighbor beta 3 obs![]() Its Bayer designation is α Orionis, Latinised to Alpha Orionis and abbreviated Alpha Ori or α Ori. ![]() ![]() At near-infrared wavelengths, Betelgeuse is the brightest star in the night sky. It is a distinctly reddish, semiregular variable star whose apparent magnitude, varying between +0.0 and +1.6, has the widest range displayed by any first-magnitude star. It is usually the tenth-brightest star in the night sky and, after Rigel, the second-brightest in the constellation of Orion. ![]()
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