sketch

Venus 196101302125

Venus on 1961 January 30 at 16:25 EST (21:25 UT) as sketched by Constantine Papacosmos. 6" refractor at 300x. Seeing 4-5/10. Transparency 3/5.

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Venus 196101222145

Venus on 1961 January 22/23 at 16:45-17:15 local time (21:45-22:15 UT) as sketched by K.R. Brasch. 8" reflector at 300x. Seeing 5-7/10. Transparency 1-3/5. Dichotomy reached. Superb seeing afforded best view of planet so far experienced. Detail definite with + without filter.

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Venus 196101211815

Venus on 1961 January 21 at 13:10-13:20 local time (18:15 UT) as sketched by G. Gaherty. 6" refractor at 150x. Seeing 1. Transparency 3. Almost at dichotomy.

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Venus 196101211750

Venus on 1961 January 21 at 12:50 local time (17:50 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 3. Transparency 2-3. The planet appears to be just past dichotomy.

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Venus 196101192000

Venus on 1961 January 19 at 15:00-15:30 local time (20:00-20:30 UT) as sketched by K.R. Brasch. 8" reflector at 300x. Seeing 3-1. Transparency 4. Markings fairly definite despite poor seeing.

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Venus 196101162030

Venus on 1961 January 16 at 15:30-16:10 local time (20:30-21:10 UT) as sketched by K.R. Brasch. 8" reflector at 300x-375x. Seeing 2-5. Transparency 4. During best moments considerable definite detail seen, especially with filter.

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Venus 196101162140

Venus on 1961 January 16/17 at 16:40 +11m EST (21:40 UT) as sketched by Jim Low. 4" reflector at 167x. Seeing 4. Transparency 4. Phase only a little over half full.

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Venus 196101142130

Venus on 1961 January 14/15 at 16:30-17:00 local time (21:30-22:00) as sketched by K.R. Brasch. 8" reflector at 300x. Seeing 3-5. Transparency 4. Most definite view of outline of markings so far experienced, especially with violet filter, blue + green. Parallel band-like markings were very definite. Contrast exaggerated in both drawings.

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Venus 196101142007

Venus on 1961 January 14/15 at 15:07 +17m EST (20:07 UT) as sketched by Jim Low. 4" reflector at 167x. Seeing 5. Transparency 4+. This is a daylight observation, Venus being visible with the naked eye. Although seeing was good, the markings on Venus were difficult, and there was very little contrast.

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Venus 196101141925

Venus on 1961 January 14 at 14:25-14:35 local time (19:25-19:35 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 4-3. Transparency 4. Daylight observation.

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