Donald Bartlett

Jupiter 195907090130

Jupiter on 1959 July 8/9 at 21:30 EDT (01:30 UT) as sketched by Donald Bartlett. C.M.(1) 215º, C.M.(2) 332º. 6½" refractor at 222x. Seeing fair. Transparency fair.

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Jupiter 195906110245

Jupiter on 1959 June 10/11 at 22:45 EDT (02:45 UT) as sketched by Donald Bartlett. C.M.(1) 159º, C.M.(2) 129º. 6½" refractor at 222x. Seeing 5. Transparency 4.

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