Practical astronomy

Discussions dedicated to exchanges on the practice of astronomy.

46171 topics in this forum

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  1. 2 ou 1,25

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  2. Binoculaire

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  3. sens des filtres?

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  4. Apprentissage

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  5. nettoyage Mak 127

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  6. BF sur Maksutov

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  7. Rallonges

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  8. ISO et APN

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