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Questions tagged [ngc]

Questions regarding the New General Catalogue.

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4 votes
2 answers
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What does a final letter I mean in a New General Catalogue (NGC) identifier?

I've just encountered (in an article about the detection of 2-methoxyethanol in interstellar space) references to an object called NGC 6334I. It seems that the object is a protostellar cluster. When I ...
2 votes
0 answers
48 views

How are objects in New General Catalogue ordered?

How are objects in New General Catalogue ordered? Do the numbers themself have any meaning? What about other well-known catalogues?
4 votes
1 answer
712 views

What galaxy looks the most like the Milky Way?

Is there a particular galaxy cataloged by astronomers which is considered to most closely resemble what the structure of the Milky Way is believed to look like, when viewed from a similar distance?
1 vote
1 answer
605 views

Galaxy behind the Ring Nebula

Would anyone be able to reference the galaxy in the background of this image of the Ring Nebula: It's obviously not a Messier object, I'm more confident in it being in the New General Catalogue.