---
title: "NGC 1639"
url: "https://spacecatalog.org/object/ngc-1639"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. NGC 1639 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ngc-1639"
---

# NGC 1639

NGC 1639 is an unclassified object in the constellation [Eridanus](https://spacecatalog.org/constellation/eridanus). It was discovered in 1835.

## At a glance

- **WHAT IT IS:** Unclassified object
- **WHERE TO LOOK:** [Eridanus](https://spacecatalog.org/constellation/eridanus) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Unclassified object |
| CONSTELLATION | Eridanus |
| RIGHT ASCENSION (J2000) | 04h 40m 52.2s |
| DECLINATION (J2000) | −16° 59′ 27.1″ |
| DISCOVERED | 1835 |

## Catalogue data

### 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 | Other |
| Wikidata item | Q1044448 |

## Also known as

- NGC: NGC 1639

## 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 1639 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ngc-1639

```bibtex
@misc{spacecatalog_ngc-1639,
  author       = {{SpaceCatalog}},
  title        = {{NGC 1639}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/ngc-1639},
  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-1639