IC 4397

Rarity: Common

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What Wikipedia says

IC 4397 is a spiral galaxy in the constellation of Boötes. Its velocity with respect to the cosmic microwave background is 4,627±16 km/s, which corresponds to a Hubble distance of 222.6 ± 15.6 Mly (68.25 ± 4.78 Mpc). It was discovered by French astronomer Guillaume Bigourdan on 23 June 1889.

Excerpt from the Wikipedia article “IC 4397”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Sloan Digital Sky Survey, CC BY 4.0, via Wikimedia Commons.