Montreal

Jupiter 195907280230

Jupiter on 1959 July 27/28 at 22:30 EDT (02:30 UT) as sketched by I.K. Williamson. C.M.(1) 10º, C.M.(2) 342º. 80mm refractor at 173x. Seeing 3. Transparency 3.

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Jupiter 195907280130

Jupiter on 1959 July 27/28 at 21:30 EDT (01:30 UT) as sketched by K.R. Brasch. C.M.(1) 334º, C.M.(2) 306º. 3" refractor at 100x. Seeing 5. Transparency 3. Yellow filter used.

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Jupiter 195907280122

Jupiter on 1959 July 27/28 at 21:22 EDT (01:22 UT) as sketched by G. Gaherty, Jr. C.M.(2) 301º. 8" Cave reflector at 240x. Seeing 3. Transparency 3. Detail of small elongated dark spot in STZ drawn from memory, August 8, 1959. At moments of good seeing, spot seemed to be joined to SEBn by grey wisp. See transit #93.

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Jupiter 195907230235

Jupiter on 1959 July 22/23 at 22:35 EDT (02:35 UT) as sketched by Milan Ihnat. C.M.(1) 304º, C.M.(2) 314º. 4¼" refractor (Townsend) at 180x. Seeing fair. Transparency fair. Can't be sure of having seen south polar region, therefore did not include it.

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Jupiter 195907230135

Jupiter on 1959 July 22/23 at 21:35 EDT (01:35 UT) as sketched by K.R. Brasch. C.M.(1) 268º, C.M.(2) 278º. 6½" refractor at 222x-133x. Seeing 4. Transparency 3.

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Jupiter 195907220115

Jupiter on 1959 July 21/22 at 21:15 EDT (01:15 UT) as sketched by K.R. Brasch. C.M.(1) 98º, C.M.(2) 115º. 3" refractor at 10x. Seeing 3-4. Transparency 3.

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Jupiter 195908030115

Jupiter on 1959 August 2/3 at 21:15 EDT (01:15 UT) as sketched by K.R. Brasch. C.M.(1) 191º, C.M.(2) 118º. 8" reflector at 300x. Seeing 3. Transparency 2-3. Shadow of I on disk.

(The faint almost vertical feature at the 11 o'clock position is an ink stain showing through the paper.)

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Jupiter 195907200143

Jupiter on 1959 July 19/20 at 21:43 EDT (01:43 UT) as sketched by Milan Ihnat. C.M.(1) 159º, C.M.(2) 192º. 2" refractor at 140x. Seeing very good. Transparency fair. Bands 1, 2, 3 decrease in darkness in that order.

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Jupiter 195907170341

Jupiter on 1959 July 16/17 at 23:41 EDT (03:41 UT) as sketched by Constantine Papacosmos. C.M.(1) 117º, C.M.(2) 173º. 8" Cave reflector at 264x. Seeing 5. Transparency 3.

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Jupiter 195907170140

Jupiter on 1959 July 16/17 at 21:40 EDT (01:40 UT) as sketched by K.R. Brasch. C.M.(1) 44º, C.M.(2) 100º. 3" refractor at 100x. Seeing 6 (very good). Transparency 4-5. Yellow filter used. Transparency was exceptionally good.

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