Mercurial Encounter

By: Alan Dyer

Mar 14 2011

Tags: , , , ,

Category: Nightscape, Solar System

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Aperture:f/2.8
Focal Length:50mm
ISO:200
Shutter:1/0 sec
Camera:Canon EOS 7D

Mercury is the elusive planet. Yet, when conditions are right, it is surprisingly easy to see. And you wonder what everyone is complaining about!

That was certainly the case tonight, March 14, 2011. I just walked out, looked west and there it was, shining bright and obvious to the right of Jupiter. No binoculars needed! Having brighter Jupiter nearby helps to be sure. But Mercury is certainly not dim. It’s wonderful that this week is the best time of the year for us northerners to spot Mercury, just as NASA’s Messenger probe enters orbit around the inner planet, becoming the first to orbit, not just fly past, Mercury. It is always nice to look up and see the planet that you can point to and say, “We have a probe exploring that world.” Later this year, one will be on its way to Jupiter as well — the Juno orbiter.

This shot shows the scene with Mercury (at right) approaching its March 15 close conjunction with Jupiter in the evening twilight. This image captures the view much as the eye saw it. But to do that I took a “High Dynamic Range” composite of three exposures about 1 stop apart, taken in rapid succession with a Canon 7D camera and Sigma 50mm lens.

– Alan, March 14, 2011 / Image © 2011 Alan Dyer

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