Klaus Brasch

Venus 196102112200

Venus on 1961 February 11 at 17:00-17:30 local time (22:00-22:30 UT) as sketched by K.R. Brasch. 8" reflector at 375x. Seeing 5/10. Transparency 4/5. Band structure unusually prominent with filter.

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Venus 196102082215

Venus on 1961 February 8 at 17:15-17:30 local time (22:15-22:30 UT) as sketched by K.R. Brasch. 6" refractor at 220x-450x. Seeing 5/10. Transparency 4-5/5. Dark side clearly seen for first time. It seemed to not quite fill the other half. Intensity 1 to 1.5.

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Venus 196102052130

Venus on 1961 February 5/6 at 16:30-17:00 local time (21:30-22:00 UT) as sketched by K.R. Brasch. 8" reflector at 375x. Seeing 5-7/10. Transparency 4/5.

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Venus 196101302135

Venus on 1961 January 30 at 16:35 local time (21:35 UT) as sketched by K.R. Brasch. 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 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 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 196101122130

Venus on 1961 January 12/13 at 16:30-16:50 local time (21:30-21:50 UT) as sketched by K.R. Brasch. 8" reflector at 165x-300x. Seeing 3-5. Transparency 3-4. Almost nothing seen without filter, only fairly definite area 8.5. Glare of planet seems to blot out detail which becomes visible only with filters. Terminator not quite central.

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Venus 196101112110

Venus on 1961 January 11/12 at 16:10-16:40 local time (21:10-21:40 UT) as sketched by K.R. Brasch. 8" reflector at 165x. Seeing 4-5. Transparency 0-3. Intermittent clouds, haze + wind hampered observation. Markings fairly definite but outline very indefinite. Not much difference caused by filter except for increase in contrast.

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