Monday, October 3, 2011

Astrophoto: Venus Setting by Rick Ellis

Astrophoto: Venus Setting by Rick Ellis:

Astrophoto: Venus Setting by Rick Ellis
Venus Setting. Credit: Rick Ellis



Rick Ellis of Toronto, Canada came up with this multiple-exposure image of Venus setting. The changing position of Venus from the observer’s point of view serves as a proof of the the Earth’s counter-clockwise rotation.

This image was generated from multiple shots captured by Rick using his Canon A460 camera.

“It was not created on a single frame. The camera was locked down on its tripod and the original background photo was taken with Venus in the upper left. Then at exactly 5 minute intervals exposures were taken at ISO 80 for 5 seconds. Twenty seven exposures were made in all and then compiled in Photoshop. The trick then was to

find where Venus was on each successive layer and “punch a hole” very accurately in the main image layer.”

Check out Rick’s website here.

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