1961

Venus 196106031755

Venus on 1961 June 3 at 13:50-13:55 local time (17:55 UT) as sketched by G. Gaherty. 6" refractor at 150x. Seeing 1-2/10. Transparency 4-5/5. Phase estimated as about 42%. Seeing too poor to permit intensity estimates.

Continue Reading

Venus 196106031750

Venus on 1961 June 3 at 13:40-13:45 local time (17:40-17:45 UT) as sketched by Klaus R. Brasch. 6" refractor at 150x. Seeing 4-2/10. Transparency 3/5.

Continue Reading

Venus 196106031725

Venus on 1961 June 3 at 13:25-13:35 local time (17:25-17:35 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 5/10. Transparency 3/5.

Continue Reading

Venus 196105141805

Venus on 1961 May 14 at 14:05-14:15 local time (18:05-18:15 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 2-1/10. Transparency 1/5. Two notches near northern cusp very indefinite, other markings except dusky mark just south of centre very indefinite. Intensity estimated from drawing and from memory.

Continue Reading

Venus 196105111520

Venus on 1961 May 11 at 11:15-11:25 local time (15:20 UT) as sketched by Geoffrey Gaherty, Jr. 8" reflector at 180x. Seeing 1-2. Transparency 4. Daylight observation. Ashen light suspected. Terminator looks reddish brown, rest of planet white.

Continue Reading

Venus 196105101650

Venus on 1961 May 10 at 12:45-13:00 EDT (16:50 UT) as sketched by Geoffrey Gaherty, Jr. 8" reflector at 180x. Seeing 0-1. Transparency 4. Daylight observation.

Continue Reading

Venus 196105061725

Venus on 1961 May 6 at 13:25-13:35 local time (17:25-17:35 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 3-4/10. Transparency 2/5.

Continue Reading

Venus 196104211705

Venus on 1961 April 21 at 12:00-12:10 local time (17:05 UT) as sketched by G. Gaherty, Jr. 6" refractor at 150x. Seeing 1-2/10. Transparency 3-4 (daylight). Cusps definitely extended more than 180º, shadings probably contrast effects. Ashen Light suspected. Phase 4% –K.B.

Continue Reading

Venus 196104091005

Venus on 1961 April 9 at 05:05 + 11m EST (10:05 UT) as sketched by Jim Low. 4" reflector at 130x. Seeing 2. Transparency 3. This is an unusual observation. Venus was still east of the sun (an "evening star"), but was visible in the morning before sunrise. This is because it was well north of the sun in declination. Venus was only 9º from the sun. This observation was made 38 hours before inferior conjunction.

Continue Reading

Venus 196104091605

Venus on 1961 April 9 at 11:00-11:10 local time (16:05 UT) as sketched by G. Gaherty. 8" reflector at 90x. Seeing 2. Transparency 4-5. Illuminated atmosphere as hair-line all around disk. k = 1.5 (27 hours from inferior conjunction).

Continue Reading

Pages

Subscribe to RSS - 1961