30 June 2007: Conjunction Saturn - Venus

Jean-Luc Dighaye

On Saturday 30 June 2007 before sunset, weather conditions improved as announced. Venus could be spotted without instruments. Telescopic views were impaired by poor seeing. Saturn could not be seen at the telescopes, even using filters. At that time, there was an aircraft corridor in front of Venus and Saturn, hence the first picture in the gallery below - after drastic contrast enhancement, it shows Saturn at the upper left corner.

As dusk was in progress, Saturn became a telescopic, then a binocular, then a naked-eye object. Wide-field images were taken - see second picture. After 22h, Venus and Saturn were low in a rather dark, very turbulent sky. The third image was strongly enhanced in sharpness to show Saturnīs rings, and compressed in dynamic range to show some phase on Venus: this introduces some artifacts and also a "Malevich painting" aspect for the sky.

Apo 200/1600, modified Canon EOS 5D, ISO 100, 1/1250s, FOV 1.0°

200mm f/4, Nikon D100, ISO 200, 1/4s, FOV 7.5°

Apo 200/1600, modified Canon EOS 5D, ISO 100, 1/8s, FOV 0.8°.