---
title: "IC 104"
url: "https://spacecatalog.org/object/ic-104"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. IC 104 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic-104"
---

# IC 104

IC 104 is a double [star](https://spacecatalog.org/stars) in the constellation [Cetus](https://spacecatalog.org/constellation/cetus), shining at apparent magnitude 8.79 (B).

## At a glance

- **WHAT IT IS:** Double star
- **HOW BRIGHT (B):** 8.79 — Binoculars reach it; the naked eye does not.
- **WHERE TO LOOK:** [Cetus](https://spacecatalog.org/constellation/cetus) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Double star |
| APPARENT MAGNITUDE (B) | 8.79 |
| CONSTELLATION | Cetus |
| RIGHT ASCENSION (J2000) | 01h 24m 33.6s |
| DECLINATION (J2000) | −01° 27′ 24.2″ |

## Catalogue data

### HOW BRIGHT IT IS

What the light adds up to, measured through one filter at a time. A magnitude is a brightness on a backwards scale — the smaller the number, the brighter the object.

| Field | Value |
| --- | --- |
| Apparent magnitude (B) | 8.79 |

### OTHER NAMES AND NUMBERS

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

| Field | Value |
| --- | --- |
| OpenNGC type code | \*\* |
| Wikidata item | Q3714891 |

## Also known as

- IC: IC 104

## 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. IC 104 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic-104

```bibtex
@misc{spacecatalog_ic-104,
  author       = {{SpaceCatalog}},
  title        = {{IC 104}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/ic-104},
  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/ic-104