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Venus 196101092125

Venus 196101092125

Venus on 1961 January 9/10 at 16:25-16:45 local time (21:25-21:45 UT) as sketched by K.R. Brasch. 8" reflector at 165x. Seeing 0-3. Transparency 5. Disk of planet unusually bright with only slightly less intense area marked 9.5, otherwise featureless without filter.

Venus 196101032130

Venus 196101032130

Venus on 1961 January 3/4 at 16:30-17:05 local time (21:30-22:05 UT) as sketched by K.R. Brasch. 8" reflector at 165x-300x. Seeing 4-6. Transparency 3. Dusky shadings extremely indefinite + washed out; only definite area was white patch in SW, brightest area on disk 9.5. Despite good seeings + filter, markings were more to difficult to see than on other occasions.

Venus 196101022150

Venus 196101022150

Venus on 1961 January 2/3 at 16:50-17:20 local time (21:50-22:20 UT) as sketched by K.R. Brasch. 8" reflector at 165x-300x. Seeing 4-6. Transparency 4-2. Occasional hazy clouds moved over planet causing very good seeing + a beautiful view. Detail very indefinite even with V filter + good seeing. Neither cusp region prominent as whole disk appeared uniformly dusky. Terminator very close to centre.

Venus 196012271905

Venus 196012271905

Venus on 1960 December 27 at 14:05-14:09 local time (19:05-19:09 UT) as sketched by K.R. Brasch. 6" refractor at 150x. Seeing 2-3. Transparency 3.

Venus 196012202100

Venus 196012202100

Venus on 1960 December 20/21 at 16:00-16:30 local time (21:00-21:30 UT) as sketched by K.R. Brasch. 8" reflector at 165x. Seeing 3-5. Transparency 4-5. Seeing very good (5) for short time. Drawing I: no filter. Drawing II: Wratten 47B – deep violet filter. Difference between two drawings quite definite.

Venus 196012112130

Venus 196012112130

Venus on 1960 December 11/12 at 16:30-16:45 local time (21:30-21:45 UT) as sketched by K.R. Brasch. 8" reflector at 165x. Seeing 4-2. Transparency 4-5. Deep violet filter used (Wratten 47B). Outline of markings indefinite except for cusps.

Venus 196012032130

Venus 196012032130

Venus on 1960 December 3/4 at 16:30-16:45 EST (21:30-21:45 UT) as sketched by K.R. Brasch. 8" reflector at 165x-300x. Seeing 4. Transparency 3-4. Best view of shape of markings so far experienced.

Venus 196010272150

Venus 196010272150

Venus on 1960 October 27/28 at 17:50-18:05 local time (21:50-22:05 UT) as sketched by K.R. Brasch. 8" reflector at 165x with a blue filter. Seeing 3-0. Transparency 4-5. Outline of dark areas very indefinite.

Venus 196010212115

Venus 196010212115

Venus on 1960 October 21/22 at 17:15-17:25 local time (21:15-21:25 UT) as sketched by K.R. Brasch. 8" reflector at 165x with a blue filter. Seeing 3-1. Transparency 3-4. Disk completely featureless except for brightness in S. polar region.

Venus 196010102225

Venus 196010102225

Venus on 1960 October 10 at 06:25-06:35 local time (22:25-22:35 UT) as sketched by K.R. Brasch. 8" reflector at 165x-300x with a blue filter. Seeing 3. Transparency 3. N. polar region very large and bright. Dark marking relatively conspicuous, although outline indefinite. Dark shadings exaggerated greatly to show contast between areas.

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