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Images from Science Instruments

Interacting Galaxies That Create Familiar Shapes Found with Citizen Astronomers

January 15, 2025
Last updated: February 5, 2025

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Detail : The shapes of interacting and merging galaxies are incredibly diverse; some look like animals and everyday objects. In the Subaru Gallery, you can see galaxies captured by Hyper Suprime-Cam (HSC) that look like a tadpole , a jellyfish , a penguin holding an egg , a whale, and a hockey stick . The four galaxies that look like an anchor (top left), a doorknob (top right), a “clione” (pelagic sea slug, bottom left), and a shrimp (bottom right) were discovered by HSC staff members, Citizen Astronomers participating in the GALAXY CRUISE citizen science project, and GALAXY CRUISE staff members.
You can "visit" these galaxies at the hscMap website , where you can freely explore the vast cosmic images captured by HSC. From the menu bar, select "View"> "Go To Coordinate Location" and then enter the following coordinates.
Anchor: 12:04:19.0883 -00:18:55.7877
Doorknob: 14:21:59.0399 -00:35:28.9801
Clione: 09:43:34.0003 +01:07:00.0001
Shrimp: 23:24:23.1778 -00:06:19.8637
The coordinates 12:04:19.0883 -00:18:55.7877 mean right ascension (RA) of 12h 04m 19.0883s and declination (Dec) of -00˚ 35' 28.9801".
Zoom in and out with the mouse or trackpad as needed. You can also zoom in and out by selecting from the menu bar > "View"> "Zoom."
(Credit: NAOJ; Image provided by Masayuki Tanaka)

【Instrument】Hyper Suprime-Cam (HSC)

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