Jupiter on 1959 June 10/11 at 00:15 EDT (04:15 UT) as sketched by V. Williams. C.M.(1) 214º, C.M.(2) 184º. 6" reflector at 100x. Seeing very good. Transparency good.

Jupiter on 1959 June 10/11 at 23:20 EDT (03:20 UT) as sketched by Geoffrey Gaherty, Jr. C.M.(1) 180º, C.M.(2) 150º. 6½" refractor at 222x. Seeing 4. Transparency 4.

Jupiter on 1959 June 10/11 at 23:10 EDT (03:10 UT) as sketched by I.K. Williamson. C.M.(1) 174º, C.M.(2) 144º. 6½" refractor at 222x. Seeing 3. Transparency 2. Humps in N.E.B. quite pronounced.

Jupiter on 1959 June 10/11 at 22:55 EDT (02:55 UT) as sketched by Sidney M. Sundell. C.M.(1) 165º, C.M.(2) 135º. 6½" refractor at 222x. Seeing 3. Transparency 2.

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.

Jupiter on 1959 June 10/11 at 22:32 EDT (02:32 UT) as sketched by C. Bedard. C.M.(1) 151º, C.M.(2) 121º. 6½" refractor at 222x. Seeing 3 (fair). Transparency 2 (fair).

Jupiter on 1959 June 10/11 at 22:15 EDT (02:15 UT) as sketched by G. Wedge. C.M.(1) 141º, C.M.(2) 111º. 6½" refractor at 222x. Seeing 4 (fair). Transparency 2-3 (fair-good).

Jupiter on 1959 June 10/11 at 22:08 EDT (02:08 UT) as sketched by S. Downing. C.M.(1) 136º, C.M.(2) 107º. 6½" refractor at 222x. Seeing fair. Transparency fair.

Jupiter on 1959 June 10/11 at 22:00 EDT (02:00 UT) as sketched by K.R. Brasch. C.M.(1) 132º, C.M.(2) 102º. 6½" refractor at 222x. Seeing 4. Transparency 2.

Jupiter on 1959 June 9/10 at 22:15 EDT (02:15 UT) as sketched by Geoffrey Gaherty, Jr. C.M.(1) 343º, C.M.(2) 321º. 8" Cave reflector at 240x. Seeing 4. Transparency 3. North is down, east to the right.