Faint shell of stars, possibly associated with nearby giant E0

https://www.legacysurvey.org//viewer/?ra=178.0312&dec=-28.6031&layer=ls-dr10&zoom=13&const

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It’s the outermost shell of the E4 galaxy NGC 3923, known for at least 40 years (Malin&Carter 1983), still more or less unchallenged by other shell galaxies in its physical size (around 100kpc from the center of the host galaxy)

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