An Enormous Mosaic Spanning 1,250 Hours of Exposure Time Captures the Milky Way in Incredible Detail
Twelve years and 1,250 hours of exposure time later, Finnish photographer J-P Metsavainio stitched together a massive, 1.7-gigapixel composite detailing every fiery burst and starry expanse dotting the Milky Way. The stellar mosaic documents the 125-degree stretch between Taurus to Cygnus and is comprised of 234 individual images that extend across 10,000 pixels. Nearly 20 million stars are visible in the expanse.
The ongoing project began in 2009, and Metsavainio knew it would take at least a decade to realize. “As a visual artist, the composition of the image means a lot. During the years, I have shot hundreds of individual targets from the Milky Way. Each image taken is an independent artwork. At the same time, I always kept in my mind the needs of the final large composition,” the photographer said, noting that he captured the more pronounced elements, like supernovae, first before filling in the gaps.
After shooting with relatively short focal length instruments the last few years, Metsavainio plans to use this incredibly high-resolution panorama as a map as he shifts to longer focal length tools in the coming months. Find details on Metsavainio’s entire process, along with specifics on the equipment used, on his site, where you also can find a larger portfolio of his galactic projects. (via PetaPixel)
Update: Metsavainio published a new version that now spans 145 x 22 degrees of sky and is 2.2 gigapixels.
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