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45cm Reflector

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The self-made 45cm reflector not frustrating at night, and the exact optical axis cannot be aligned! The self-made 45cm reflector not frustrating at night, and the exact optical axis cannot be aligned! In the evening, the first Saturn is observed although it is a light cloudy condition. 45cm reflector x260 , a good impression as Saturn image of the present time! I want to align the optical axis exactly

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