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1960

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 196012171835

Venus 196012171835

Venus on 1960 December 17 at 13:35 local time (18:35 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 2. Transparency 2.

Venus 196012171840

Venus 196012171840

Venus on 1960 December 17 at 13:40 + 10m EST (18:40 UT) as sketched by Jim Low. 6" refractor at 150x. Seeing 3. Transparency 3.

Venus 196012171900

Venus 196012171900

Venus on 1960 December 17 at 14:00 EST (19:00 UT) as sketched by G. Gaherty. 6" refractor at 150x. Seeing 1-2. Transparency 3.

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 196012101850

Venus 196012101850

Venus on 1960 December 10 at 13:50 local time (18:50 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 1-2. Transparency 3. Daylight observation. Markings very indefinite, and only suspected. Southern cusp appeared to be poitned, and northern cusp more rounded.

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 196012031905

Venus 196012031905

Venus on 1960 December 3 at 14:05 local time (19:05 UT) as sketched by Louis R. Duchow. 6" refractor at 150x. Seeing 3. Transparency 2 (daylight).

Venus 196012031855

Venus 196012031855

Venus on 1960 December 3 at 13:55 local time (18:55 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 4-5. Transparency 2.

Venus 196012031838

Venus 196012031838

Venus on 1960 December 3 at 13:35-13:42 local time (18:38 UT) as sketched by G. Gaherty. 6" refractor at 150x. Seeing 3. Transparency 3 (daylight). Markings very difficult. Fairly certain of cusp bands; diagonal streak less certain.

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