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Astronomie dans tous ses états 
RT @YBeletsky: Our observations of an amazing M43 nebula with MMIRS imager at Las Campanas, #Chile. @BadAstronomer @ObservingSpace http://t.co/kxSbQEz6co

RT @YBeletsky: Our observations of an amazing M43 nebula with MMIRS imager at Las Campanas, #Chile. @BadAstronomer @ObservingSpace http://t.co/kxSbQEz6co

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