sketch

Jupiter 195907300116

Jupiter on 1959 July 29/30 at 21:16 EDT (01:16 UT) as sketched by Milan Ihnat. C.M.(1) 281º, C.M.(2) 237º. 6½" refractor at 133x. Seeing good. North is down, east to the right. Transparency good. Middle projection on N equatorial belt seemed to be more pointed. Other belts had darkenings.

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Jupiter 195907300107

Jupiter on 1959 July 29/30 at 21:07 EDT (01:07 UT) as sketched by S. Downing. C.M.(1) 275º, C.M.(2) 232º. 6½" refractor at 133x. Seeing good. Transparency clear.

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Jupiter 195907290220

Jupiter on 1959 July 28/29 at 22:20 EDT (02:20 UT) as sketched by Constantine Papacosmos. C.M.(1) 162º, C.M.(2) 126º. 8" Cave reflector at 264x. Seeing 4. Transparency 3.

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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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