22 years ago, Mars was in opposition on 28/9/1988 and these are sketches I could make at the time with a homebuild 200mm Newtonian F6 with Lichtenknecker mirrors.
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22 years ago, Mars was in opposition on 28/9/1988 and these are sketches I could make at the time with a homebuild 200mm Newtonian F6 with Lichtenknecker mirrors.
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