投稿

Diaphragm Discussion ( 9+inch vs 12inch )

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Focal Length for Moon shot by APS-C

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Moon on partial cloudy day

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Moon Shot on cloudy day (MA8.4)

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Diaphragm of SCT

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Moon Age 21.9 (MA21.9) by D=114mm Newton Ref

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Jupiter 4inch MV on May20th 20h 2017

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MA11.7 Gassendi crater

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MA10.6 Copernicus and Gassendi Crater

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MA9.6 Copernicus Archimedes Cassini

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Moon Age 9.6 (MA9.6)

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Moon Age 8.6 (MA8.6)

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