Celestial Scorpion in the Desert

By: Alan Dyer

Mar 15 2013

Tags: , , , , , , ,

Category: Constellations, Milky Way, Nightscape

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Aperture:f/2.8
Focal Length:35mm
ISO:1600
Shutter:180 sec
Camera:Canon EOS 5D Mark II

This is one of the few constellations that looks like what it is supposed to be – a desert-dwelling scorpion.

This is Scorpius in his native habitat of the desert. Here, from the latitude of southern New Mexico, he is standing on end, his claws at top, his curving tail and stinger at bottom.

The bright yellow star is Antares, the heart of the scorpion, embedded in a colourful mix of magenta, yellow and blue nebulas. Scattered along the Milky Way in the tail of the scorpion you can see several magenta emission nebulas shining by the combined red and blue light of hydrogen atoms.

What I love about this area of sky is the lacework of dark foreground nebulas, and the contrast between the bright star clouds and dark lanes of stardust. At centre left is the Dark Horse, the darkest part of which also carries the name Pipe Nebula.

I shot this image this morning at about 5 a.m, in the hour before the sky brightened with dawn twilight. This is a stack of seven 3-minute exposures with a 35mm lens, including two exposures taken through a diffusion filter to add the accentuated star glows. The ground details come from just one of the exposures.

As it’s been all week, the location is the Painted Pony Resort in southwest New Mexico.

– Alan, March 15, 2013 / © 2013 Alan Dyer

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