A photographer spent 12 years creating an amazing image of the Milky Way!

 


After more than a decade of hard work, Finnish astronomer JP Metsavinio has released a 1.7-gigapixel mosaic of the Milky Way.

Metsavinho has been publishing his astrophysics online since 2007, but his work on mosaics began in 2009, photographing several nebulae around the Milky Way as standalone installations.

The total running time between 2009 and 2021 is approximately 1,250 hours.

The resulting image is approximately 100,000 pixels wide and consists of 234 individual mosaic panels, covering an area of ​​125 x 22 degrees of sky.

That's a large level area of ​​the galaxy, including about 20 million stars, and the full-size color image of 7000 x 1300 pixels is truly staggering. The colors represent the emission from the ionized elements; Hydrogen appears in green, sulfur in red, and oxygen in blue.


Metsavinho wrote in his Astro Anarchy blog: "It took nearly twelve years to finish this mosaic. The reason for the long time period is naturally due to the size of the mosaic and the fact that the image is very deep. The other reason is that I photographed most of the mosaic frames as individual installations and they were published as independent works of art. He added:"This results in a kind of complex set of images that partly overlap with a lot of unimaginable areas between and around the frames. So I photographed the missing data every now and then over the years, and last year I managed to publish many sub-mosaic pictures."

He explained that grouping the photos together was about matching stars and superimposing them in a photo studio, with slight adjustments made between frames to match the color balance and curves of the light.

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