sketch

Jupiter 196006190320

Jupiter on 1960 June 18/19 at 22:20+25m EST (03:20 UT) as sketched by Jim Low. C.M.(1) 162º, C.M.(2) 159º. 4" reflector at 130x, 167x. Seeing 4/10. Transparency 4½/5. North is down. Satellites I, and III were observed to be in conjunction (i.e.—forming a 90º angle with the zones of the planet) at 23h 28m. EST (04h 28m UT), and they were about 20" apart.

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Jupiter 196006130515

Jupiter on 1960 June 12/13 at 00:15+23m EST (05:15 UT) as sketched by Jim Low. C.M.(1) 4º, C.M.(2) 45º. 4" reflector at 130x. Seeing 4/10. Transparency 4½/5. North is down.

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Jupiter 196006130319

Jupiter on 1960 June 12/13 at 22:19+16m EST (03:19 UT) as sketched by Jim Low. C.M.(1) 293º, C.M.(2) 335º. 4" reflector at 130x. Seeing 3/10. Transparency 4/5. North is down. Dark areas on NEB were probably spots, but seeing was not good enough to give the exact size or location.

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Jupiter 196006130300

Jupiter on 1960 June 12/13 at 23:00-23:10 EDT (03:00-03:10 UT) as sketched by K.R. Brasch. C.M.(1) 284º, C.M.(2) 327º. 8" reflector at 165x. Seeing 2-3. Transparency 3.

Red spot seen, a gray washed out colour similar to S.P. region. Easier seen with the aid of a light blue filter, as outline of spot is more distinct. Shadow + disk of satellite I seen, shadow left disk at 03:19, disk of satellite at 03:29.

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Jupiter 196006110655

Jupiter on 1960 June 11 at 02:55-03:08 EDT (06:55-07:08 UT) as sketched by K.R. Brasch. C.M.(1) 112º, C.M.(2) 168º. 8" reflector at 165x. Seeing 3-4. Transparency 2-3. S.I. of shadow of satellite I at beginning of observation—1:37 EST. T.I. of satellite begun at 1:50 EST, disk easily visible, brighter than surrounding zone N.T.Z. of main planet.

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Jupiter 196006110657

Jupiter on 1960 June 10/11 at 01:57+25m EST (06:57 UT) as sketched by Jim Low. C.M.(1) 110º, C.M.(2) 166º. 4" reflector at 130x, 167x. Seeing 6. Transparency 4. North is down. The dark cond. (left dark marking) was not as dark as the shadow of satellite I (right dark marking).

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Jupiter 196006110557

Jupiter on 1960 June 10/11 at 00:57+19m EST (05:57 UT) as sketched by Jim Low. C.M.(1) 73º, C.M.(2) 131º. 4" reflector at 167x, 130x. Seeing 6. Transparency 4. North is down.

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Jupiter 196006110445

Jupiter on 1960 June 10/11 at 00:45 EDT (04:45 UT) as sketched by Constantine Papacosmos. C.M.(1) 29º, C.M.(2) 86º. 6½" refractor at 222x. Seeing 4-5. Transparency 2.

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Jupiter 196006110354

Jupiter on 1960 June 10/11 at 22:54+10m EST (03:54 UT) as sketched by Jim Low. C.M.(1) 359º, C.M.(2) 56º. 4" reflector at 130x. Seeing 3. Transparency 3. North is down.

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Jupiter 196006040721

Jupiter on 1960 June 3/4 at 02:21+15m EST (07:21 UT) as sketched by Jim Low. C.M.(1) 99º, C.M.(2) 208º. 4" reflector at 130x & 167x. Seeing 6. Transparency 4. North is down. C.M. Transit was timed for following spot on NEB.

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