---
title: "NGC 978"
url: "https://spacecatalog.org/object/ngc-978"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. NGC 978 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ngc-978"
---

# NGC 978

NGC 978 is a [galaxy](https://spacecatalog.org/galaxies) pair in the constellation [Triangulum](https://spacecatalog.org/constellation/triangulum). Other catalogues list it as LEDA 9821, NGC 978A and PGC 9821, among 5 designations in total. It was discovered in 1827.

## At a glance

- **WHAT IT IS:** Galaxy pair
- **HOW BIG ON THE SKY:** 1.9′ — Small enough that the full Moon would cover it several times over.
- **WHERE TO LOOK:** [Triangulum](https://spacecatalog.org/constellation/triangulum) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Galaxy pair |
| CONSTELLATION | Triangulum |
| RIGHT ASCENSION (J2000) | 02h 34m 47.6s |
| DECLINATION (J2000) | +32° 50′ 37.0″ |
| DISCOVERED | 1827 |

## Catalogue data

### WHERE IT IS AND HOW IT MOVES

Position, motion across the sky and the size it covers on it. These are measurements of the object as seen from here, so every one of them depends on where here is.

| Field | Value |
| --- | --- |
| Major axis | 1.87′ |

### WHEN IT WAS FOUND

Who first saw it, from where, and by what method.

| Field | Value |
| --- | --- |
| Discovered by | John Frederick William Herschel |

### OTHER NAMES AND NUMBERS

The identifiers other catalogues file this object under, for anyone joining this data to theirs.

| Field | Value |
| --- | --- |
| OpenNGC type code | GPair |
| Wikidata item | Q1040660 |

## Also known as

- LEDA: LEDA 9821
- NGC: NGC 978
- NGC: NGC 978A
- PGC: PGC 9821
- UGC: UGC 2057

## Source

[OpenNGC](https://github.com/mattiaverga/OpenNGC) — CC-BY-SA-4.0

The producer asks: OpenNGC, Mattia Verga (github.com/mattiaverga/OpenNGC). Fields derived from it stay under CC BY-SA 4.0.

How this was made: https://spacecatalog.org/methods#source-openngc

## Cite this page

SpaceCatalog. NGC 978 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ngc-978

```bibtex
@misc{spacecatalog_ngc-978,
  author       = {{SpaceCatalog}},
  title        = {{NGC 978}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/ngc-978},
  note         = {Catalogue entry, data release DR1 (2026-08-21). Values from OpenNGC.}
}
```

OpenNGC — CC-BY-SA-4.0

Acknowledgement the producer asks for: OpenNGC, Mattia Verga (github.com/mattiaverga/OpenNGC). Fields derived from it stay under CC BY-SA 4.0.

The page itself, with its pictures, the sky map and the observing tools: https://spacecatalog.org/object/ngc-978