---
title: "IC 4544"
url: "https://spacecatalog.org/object/ic-4544"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. IC 4544 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic-4544"
---

# IC 4544

IC 4544 is a nova in the constellation [Norma](https://spacecatalog.org/constellation/norma), shining at apparent magnitude 7.00 (B). Other catalogues list it as 2MASS J15292318-5035007 and HD 137677.

## At a glance

- **WHAT IT IS:** Star
- **HOW BRIGHT (B):** 7.00 — Binoculars reach it; the naked eye does not.
- **WHERE TO LOOK:** [Norma](https://spacecatalog.org/constellation/norma) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Nova |
| APPARENT MAGNITUDE (B) | 7.00 |
| CONSTELLATION | Norma |
| RIGHT ASCENSION (J2000) | 15h 29m 23.0s |
| DECLINATION (J2000) | −50° 35′ 00.4″ |

## 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) | 7.00 |
| Apparent magnitude (J) | 16.11 |
| Apparent magnitude (H band) | 15.63 |
| Apparent magnitude (K) | 15.43 |

### OTHER NAMES AND NUMBERS

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

| Field | Value |
| --- | --- |
| OpenNGC type code | Nova |
| Wikidata item | Q3682355 |

## Also known as

- 2MASS: 2MASS J15292318-5035007
- HD: HD 137677
- IC: IC 4544

## 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 4544 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic-4544

```bibtex
@misc{spacecatalog_ic-4544,
  author       = {{SpaceCatalog}},
  title        = {{IC 4544}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/ic-4544},
  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-4544
