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My God, it's full of galaxies!
The first data release of the ESA Euclid "dark matter hunter" space observatory is out.
Covering a huge area of the sky in 3 mosaics, 63 square degrees of the sky in total, the data release also includes numerous galaxy clusters, active galactic nuclei and transient phenomena, as well as the first classification survey of more than 380,000 galaxies and 500 gravitational lens candidates.
https://www.youtube.com/watch?v=rXCBFlIpvfQ
Press release + images at https://www.esa.int/Science_Exploration/Space_Science/Euclid/Euclid_opens_data_treasure_trove_offers_glimpse_of_deep_fields
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@AkaSci@fosstodon.orgThis earlier thread has some more info on the ESA Euclid mission including some technical details of the telescope.
https://fosstodon.org/@AkaSci/110638590040160036
Euclid timeline:
Launch: July 1 2023.
First engineering images: Nov 6 2023.
Early release images: May 23, 2024.
First data release: March 19, 2025.
This is an oval image showing a projection of the night sky with fields that will be covered by Euclid’s survey. Blue patches show Euclid’s wide survey, and yellow spots depict the 3 deep survey areas. The horizontal bright band in the oval shows the plane of our Milky Way where most stars reside.
Other regions are avoided because they are dominated by Milky Way stars and interstellar matter, or by diffuse dust in the Solar System.
https://www.esa.int/ESA_Multimedia/Images/2023/02/Euclid_s_wide_and_deep_surveys
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