---
id: "ngc_number"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["science"]
langs: ["common"]
quality: 80
url: "https://registry.apicrafter.io/datatype/ngc_number"
---

# NGC object designation (New General Catalogue) (`ngc_number`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Designation of a galaxy, star cluster or nebula in the New General Catalogue of 1888, the letters NGC and a number from 1 to 7840. Some entries have a letter after the number, as in NGC 1427A.

- Personal data (PII): no
- Categories: Scientific (science)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^NGC ?\d{1,4}[A-Z]?$
```

## Examples

- `NGC 224` — Andromeda Galaxy
- `NGC 598` — Triangulum Galaxy
- `NGC 1427A` — Entry with a letter
- `IC 342` (invalid example) — Object of the Index Catalogue

## Translations

- ru: Обозначение объекта по Новому общему каталогу (NGC)

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/New_General_Catalogue>

## Quality

Score 80/100. Missing: mapping (Wikidata, Schema.org, ...), detector coverage.

JSON: <https://registry.apicrafter.io/api/v1/datatypes/ngc_number.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/science/ngc_number.yaml>
