Geoff Gaherty

Mars 20010605-0410

Mars sketch by Geoff Gaherty.

Date 2001-06-05
Time (UT) 04:05 - 04:15
CM 311-313°
Telescope 15cm f/6 MN @ 225x w/bino-viewer
Filters none
Seeing 3-4/10
Transparency 4/6, haze
Notes Bottom of disc was blueish.
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Mars 20010519-0620

Mars sketch by Geoff Gaherty. "p" is to the left.

Date 2001-05-19
Time (UT) 06:15 - 06:25
CM 135°
Telescope 15cm f/6 MN @ 150x w/bino-viewer
Filters none
Seeing 2-3/10
Transparency haze
Notes White area on p limb with dark area S of it. Fairly sharp border on S polar region.
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Mars 20010519-0520

Mars sketch by Geoff Gaherty. "p" is to the left.

Date 2001-05-19
Time (UT) 05:15 - 05:25
CM 120° - 137°
Telescope 15cm f/6 MN @ 150x w/bino-viewer
Filters none
Seeing 2-3/10
Transparency haze
Notes White area on p limb with dark area S of it. Fairly sharp border on S polar region.
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Mars20010503-0915

Mars sketch by Geoff Gaherty.

Date 2001-05-03
Time (UT) 09:00 - 09:30
CM 321° - 328°
Telescope 25cm f/4.5 reflector
Filters W21, W56
Seeing 3/10
Transparency haze
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Geoff Gaherty

(1941-2016) An active Montreal and Toronto Centre member. He received the Chant Medal in 2008.

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GA 1960 #09

Front row: George Wedge, Vern Ramsay, Constantine Papacosmas, Isabel Williamson.

2nd row: Dorothy Yane, Katharine Zorgo, ?, David Zackon.

3rd row: ?, David Sands, David Stills, Geoff Gaherty

4th row: ?

5th row: Jim Low, ?, ?.

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GA 1960 #08

L to R: Isabel Williamson, Vern Ramsay, Constantine Papacosmas, Geoff Gaherty, David Stills.

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Jupiter 196004300835

Jupiter on 1960 April 29/30 at 04:35 EDT (08:35 UT) as sketched by G. Gaherty. C.M.(1) 13º, C.M.(2) 29º. 6½" refractor at 133x. Seeing 1. Transparency 4.

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Jupiter 195908140032

Jupiter on 1959 August 13/14 at 20:32 EDT (00:32 UT) as sketched by Geoffrey Gaherty, Jr. C.M.(2) 303º. 8" Cave reflector at 240x. Seeing 3. Transparency 3. Detail of transit #137.

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Jupiter 195908080130

Jupiter on 1959 August 7/8 at 21:30 EDT (01:30 UT) as sketched by G. Gaherty, Jr. C.M.(1) 269º, C.M.(2) 157º. 8" Cave reflector at 240x. Seeing 4. Transparency 3. Note white oval enclosed by grey loop on p part of NEB.

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