投稿

2018年火星大接近画像処理手順

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Detecting Crater O at Clavius

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

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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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