Take a Look at the Most Detailed Map of Mars Photographed From Earth

Detailed Map of Mars

Using photos taken at the Pic du Midi Observatory, astrophotographer Jean-Luc Dauvergne has published what he calls the most detailed map of Mars from the ground. The photographs were taken at the mountaintop observatory, which is located in the French Pyrenees, over the course of six nights in October and November using a 1-meter telescope. The team then sewed together hundreds of photos to put together this incredible map.

Dauvergne worked alongside astrophotographer Thierry Legault, François Colas of the Paris Observatory, and Guillaume Dovillaire to put together the map. It took about 30 hours of processing for Dauvergne to combine the data into both a rotating sphere and rotating stereo view of the Red Planet. Part of the reason for the crisp, detailed images was the timing of the photographs.

“The project was inspired by the fact that this opposition of Mars—when it comes close to the earth—was the best one in the past 15 years,” Dauvergne tells My Modern Met. “The goal was to get images, but when I processed the last image made on November 1, I started to realize that we may have enough to make this Holy Grail that is the global map.”

Detailed Map of Mars

The project was a true team effort, with Colas and Legault spending time at the observatory to ensure that the photos were taken when the weather conditions were optimal. There were also challenges. For instance, the team needed to take video footage that was legible given the atmosphere's turbulence. It was from those videos that they selected the best images to process and enhance.

All of the team's work and patience paid off, as the Mars map has already been a big success. Not only was it named Astronomy Picture of the Day by NASA, but the team also used it in a paper that they will submit to the scientific journal Nature. Above all, their project allows us to have a record of what Mars looked like at this specific moment in time. This is valuable, as given the number of dust storms on the planet, its appearance is always slightly shifting.

Check out an impressive video of this detailed map of Mars.

This alternate video shows the planet's full rotation in 3D.

Jean-Luc Dauvergne: Twitter

My Modern Met granted permission to feature photos by Jean-Luc Dauvergne.

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Jessica Stewart

Jessica Stewart is a Staff Editor and Digital Media Specialist for My Modern Met, as well as a curator and art historian. Since 2020, she is also one of the co-hosts of the My Modern Met Top Artist Podcast. She earned her MA in Renaissance Studies from University College London and now lives in Rome, Italy. She cultivated expertise in street art which led to the purchase of her photographic archive by the Treccani Italian Encyclopedia in 2014. When she’s not spending time with her three dogs, she also manages the studio of a successful street artist. In 2013, she authored the book 'Street Art Stories Roma' and most recently contributed to 'Crossroads: A Glimpse Into the Life of Alice Pasquini'. You can follow her adventures online at @romephotoblog.
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