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Star of the Month: Alpha Orionis (betelgeuse)

Url: 
https://www.aavso.org/star-month-february-2020-alpha-ori
Slide text: 
AAVSO LPV observing section leader Rich Roberts discusses the intricate behavior of this star
Image: 
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484