---
title: "IC1433 NED03"
url: "https://spacecatalog.org/object/ic1433-ned03"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. IC1433 NED03 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic1433-ned03"
---

# IC1433 NED03

IC1433 NED03 is a [galaxy](https://spacecatalog.org/galaxies) in the constellation [Aquarius](https://spacecatalog.org/constellation/aquarius), shining at apparent magnitude 17.74 (B). Other catalogues list it as 2MASX J22120923-1245469, MCG -02-56-021 NED03 and PGC 947946.

## At a glance

- **WHAT IT IS:** Galaxy
- **HOW BIG ON THE SKY:** 13″ — Small enough that the full Moon would cover it several times over.
- **HOW BRIGHT (B):** 17.74 — Faint: it takes a large telescope.
- **WHERE TO LOOK:** [Aquarius](https://spacecatalog.org/constellation/aquarius) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Galaxy |
| APPARENT MAGNITUDE (B) | 17.74 |
| CONSTELLATION | Aquarius |
| RIGHT ASCENSION (J2000) | 22h 12m 09.2s |
| DECLINATION (J2000) | −12° 45′ 47.3″ |

## 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) | 17.74 |
| Surface brightness | 23.13 mag/arcsec² |

### 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 | 0.21′ |
| Minor axis | 0.19′ |
| Position angle | 111° |

### OTHER NAMES AND NUMBERS

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

| Field | Value |
| --- | --- |
| OpenNGC type code | G |

## Also known as

- 2MASX: 2MASX J22120923-1245469
- MCG: MCG -02-56-021 NED03
- OpenNGC: IC1433 NED03
- PGC: PGC 947946

## 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. IC1433 NED03 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic1433-ned03

```bibtex
@misc{spacecatalog_ic1433-ned03,
  author       = {{SpaceCatalog}},
  title        = {{IC1433 NED03}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/ic1433-ned03},
  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/ic1433-ned03