Geoff Gaherty

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 195907040115

Jupiter on 1959 July 3/4 at 21:15 EDT (01:15 UT) as sketched by G. Gaherty, Jr. C.M.(1) 136º, C.M.(2) 292º. 8" Cave reflector at 240x. Seeing 2. Transparency 3 (sky light). Difficulty encountered with watermark on paper. Drawing slightly retrouched to even out shading over watermark letters. (retouching done within 5 minutes of finish of drawing. North is down.

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Jupiter 195906110320

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.

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Jupiter 195906100215

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.

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Jupiter 195906060355

Jupiter on 1959 June 5/6 at 23:55 EDT (03:55 UT) as sketched by Geoffrey Gaherty, Jr. C.M.(1) 132º, C.M.(2) 140º. 80mm Zeiss refractor at 173x. Seeing 4. Transparency 3.

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Jupiter 195906050235

Jupiter on 1959 June 4/5 at 22:35 EDT (02:35 UT) as sketched by Geoffrey Gaherty, Jr. C.M.(1) 285º, C.M.(2) 301º. 8" Cave reflector at 180x-240x. Seeing 2-3. Transparency 4.

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Jupiter 195905290435

Jupiter on 1959 May 28/29 at 00:35 EDT (04:35 UT) as sketched by Geoffrey Gaherty, Jr. C.M.(1) 332º, C.M.(2) 41º. 8" reflector at 240x. Seeing 2-3. Transparency 4. Drawing terminated due to extremely poor seeing.

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Jupiter 195905260425

Jupiter on 1959 May 25/26 at 00:25 EST (04:25 UT) as sketched by Geoffrey Gahery, Jr. C.M.(1) 212º, C.M.(2) 304º. 8" Cave reflector at 240x. Seeing 4. Transparency 4.

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Jupiter 195905250450

Jupiter on 1959 May 24/25 at 00:50 EDT (04:50 UT) as sketched by Geoffrey Gaherty, Jr. C.M.(1) 69º, C.M.(2) 168º. 8" Cave reflector at 240x. Seeing 6. Transparency 4. North is down, east to the right.

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Jupiter 195905250315

Jupiter on 1959 May 24/25 at 23:15 EDT (03:15 UT) as sketched by Geoffrey Gaherty, Jr. C.M.(1) 11º, C.M.(2) 111º. 8" Cave reflector at 240x. Seeing 6. Transparency 4. North is down, east to the right.

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