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  1. Doublet astro CZJ AS 80/1200

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  2. Triplet APO Tessar 109/1200

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  3. On marche sur la tête

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  4. Bric à brac

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  5. Astrobook 21

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  6. AI et échecs

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  7. Rappel des Grands RDV astronomiques en 2018

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