Practical astronomy

Discussions dedicated to exchanges on the practice of astronomy.

46392 topics in this forum

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  1. GD-DX

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  2. Solde sur l'astronome

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  3. Léonides du sud-ouest

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  4. L'Artefact de Mars

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  5. sites d'observation

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  6. CCD Lubia Mammut L429

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  7. trépied à jumelles

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  8. le filtre  ITF

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