sketch

Venus 196012241900

Venus on 1960 December 24 at 14:00-14:10 local time (19:00-19:10 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 4. Transparency 3. Daylight observation. Intensity estimates very unreliable. First attempt at such. Made after seeing other drawings.

Continue Reading

Venus 196012241752

Venus on 1960 December 24 at 12:48-12:57 local time (17:52 UT) as sketched by G. Gaherty. 6" refractor at 150x. Seeing 3-1. Transparency 4 (daylight). First attempt at intensity estimates of Venus; of doubtful value.

Continue Reading

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.

Continue Reading

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.

Continue Reading

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.

Continue Reading

Venus 196012241725

Venus on 1960 December 24 at 12:25 local time (17:25 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 4. Transparency 2-3. Daylight observation.

Continue Reading

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.

Continue Reading

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.

Continue Reading

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.

Continue Reading

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.

Continue Reading

Pages

Subscribe to RSS - sketch