<p>How are objects in New General Catalogue ordered? Do the numbers themself have any meaning? What about other well-known catalogues?</p>

CC BY-SA 4.0
2022-07-14T11:38:39.627Z
They are ordered by ascending right ascension.
Jean-Marie Prival
CC BY-SA 4.0
2022-07-14T22:41:59.277Z
"by ascending right ascension" ... in the original equinox, that is 1860
Leos Ondra
<ngc>
How are objects in New General Catalogue ordered?
Real Dreams
# How are objects in New General Catalogue ordered?

(Asked by: username_0 on 2022-07-14)

How are objects in New General Catalogue ordered? Do the numbers themself have any meaning? What about other well-known catalogues?

**Tags:** ngc

> **Comments:**
> **username_1**: They are ordered by ascending right ascension.  
> **username_2**: "by ascending right ascension" ... in the original equinox, that is 1860  

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