Thursday, July 9, 2015

Zodiacal light

As I catch up at work and attempt to at least get my desktop organized (the Windows desktop on my laptop that is...) I found this image of the Zodiacal light that I took out in Portal Arizona this past winter.  I had just acquired a new Canon 6D and a small German Equatorial tracking mount to take long exposures of the sky...It is a fun image with the Milky way on the right running parallel to the Zodiacal light on the left.  Brian Koberlein published a nice explanation of the Zodiacal light on his blog, check it out.

I actually did not set out to take pictures of the Zodialcal light, but was just trying to practice using the camera-mount system as it darkened, in preparation to take pictures of Comet Lovejoy.  I do not remember the details of this capture at all, other than it was 90 seconds at ISO 1600, and I suspect I was using my 14mm Rokinon wide angle lens.  If you look at the upper part of the image, just to the leftt of the Milky Way, you can see the Andromeda Galaxy.  The light dome above the horizon is likely Sierra Vista, and is invisible to the naked eye.

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