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How to get light dust out of primary mirror.

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Hello, since i bought my telescope some time passed and some dust got on the primary mirror, the secondary, i cleaned myself with a fiber cleaning cloth, but the primary is harder to reach and not worth the risk cleaning with a fiber cloth. So i wonder what method is the best for getting that dust off without taking off the mirror? Another option i considered is dust off, should that do the trick or will it affect the mirror?

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