---
title: "IC2543 NED02"
url: "https://spacecatalog.org/object/ic2543-ned02"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. IC2543 NED02 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic2543-ned02"
---

# IC2543 NED02

IC2543 NED02 is a [galaxy](https://spacecatalog.org/galaxies) in the constellation [Leo Minor](https://spacecatalog.org/constellation/leo-minor), shining at apparent magnitude 17.51 (B). Other catalogues list it as PGC 3533617 and SDSS J100823.97+375039.2.

## At a glance

- **WHAT IT IS:** Galaxy
- **HOW BIG ON THE SKY:** 12″ — Small enough that the full Moon would cover it several times over.
- **HOW BRIGHT (B):** 17.51 — Faint: it takes a large telescope.
- **WHERE TO LOOK:** [Leo Minor](https://spacecatalog.org/constellation/leo-minor) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Galaxy |
| APPARENT MAGNITUDE (B) | 17.51 |
| CONSTELLATION | Leo Minor |
| RIGHT ASCENSION (J2000) | 10h 08m 24.0s |
| DECLINATION (J2000) | +37° 50′ 39.2″ |

## 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) | 17.51 |
| Surface brightness | 22.73 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 | 0.2′ |
| Minor axis | 0.14′ |
| Position angle | 6° |

### 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

- OpenNGC: IC2543 NED02
- PGC: PGC 3533617
- SDSS: SDSS J100823.97+375039.2

## 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. IC2543 NED02 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic2543-ned02

```bibtex
@misc{spacecatalog_ic2543-ned02,
  author       = {{SpaceCatalog}},
  title        = {{IC2543 NED02}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/ic2543-ned02},
  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/ic2543-ned02