Interesting object

[Aaaaaaahhhhhhhh]

https://www.legacysurvey.org//viewer/?ra=145.2660&dec=34.7264&layer=ls-dr10-grz&zoom=15
What is this?

[tombickle]

That’s a object called Hanny’s Voorwerp. The Galaxy Zoo team wrote a paper about it a number of years ago.

https://arxiv.org/pdf/0906.5304