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One glance at the image below, and at a glance, it may appear to be something a digital artist has created. It is a real image of the Milky Way, the galaxy we live in, created by a Finnish astrophotographer named JP Metsavainio. The single Milky Way image is 1.7 gigapixels and what you see below is just a part of it.
The entire image can be seen here, and it’s worth a look. As to why it took over a decade to create the image, the digital artist says the size of the mosaic and the fact that it is very deep helped. Since the section of the sky he photographed is so massive, most of it was shot as individual frame compositions and previously released as independent works of art.
Metsavainio also said that some of the Milky Way objects require more exposure than others because they appear darker and harder to see. One example he gives is a single supernova remnant that took over 60 hours of exposure. There are incredible images of various celestial objects in the Milky Way, including the California Nebula, Pelican Nebula, and Wizard Nebula, among others.
It is incredibly impressive that a photographer with equipment available for most people to be able to take incredibly detailed images. Metsavainio has a website where it shows some of the individual images in the larger overall compositions.
Some of the images show individual plans and panels that were used to make up a single larger image. The finished panel is so detailed that it looks like something NASA would have taken using the Hubble Space Telescope.
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