By Lisa Delcour | 2019-12-22
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On 12/31/2019 by Brian Ottum| New Mexico
A direct comparison of Betelgeuse a few years ago, and Betelgeuse now. Left is February, 2016. Right is December 31, 2019. Note that the brightness/appearance of all background stars are identical left versus right, but Betelgeuse is definitely fainter on the right.