45. Photograph of crescent Venus. (Barnard, Yerkes Obs.)

Note: this image is a thumbnail only.

Venus on 1961 April 9 at 12:40 + 15m EST (17:40 UT) as sketched by Jim Low. 4" reflector at 130x. Seeing 3-4. Transparency 0-5 (some clouds). This observation was made about 30 hours before inferior conjunction (daytime observation).

Venus on 1960 December 27 at 15:47 + 10m EST (20:47 UT) as sketched by Jim Low. 4" reflector at 167x. Seeing 3. Transparency 4. The Sun was a few degrees above the horizon during the observation.

Venus on 1961 November 19 at 12:30 EST (17:30 UT) as sketched by K.R. Brasch. 8" reflector at 245x. Seeing 2-3/10. Transparency 4-5 (day). Diffuse markings only suspected—phase 96%.

Venus on 1961 October 7 at 12:00-12:10 EDT (16:00-16:10 UT) as sketched by George E. Wedge. 6" refractor at 150x. Seeing 1-4-5/10. Transparency 4/5. Dusky marking on eastern limb glimpsed only during periods of good seeing. Marking to the north appeared to be quite definite. Marking at the south seen only during moments of good seeing, as was the marking at centre of terminator.

Venus on 1961 September 30 at 13:40-13:50 EDT (17:40-17:50 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 4/10. Transparency 4/5. Terminator darker than usual.

Venus on 1961 September 23 at 13:45-13:55 EDT (17:45-17:55 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 2-3/10. Transparency 2/5.

Venus on 1961 September 16 at 13:45-13:50 EDT (17:45-17:55 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 1/10. Transparency 2/5. Detail very indefinite, dusky streak seen at moments of good seeing.

Venus on 1961 August 5 at 05:05-05:15 EDT (09:05-09:15 UT) as sketched by G. Wedge. 6" refractor at 150x. Seeing 4/10. Transparency 4/5.

Venus on 1961 July 23 at 05:45-05:55 local time (09:45-09:55 UT) as sketched by G. Wedge. 6" refractor at 220x. Seeing 2/10. Transparency 2/5. Usual terminator darkening. Dark spot in north quite definite. Other markings quite faint.