---
title: "IC 3128"
url: "https://spacecatalog.org/object/ic-3128"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. IC 3128 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic-3128"
---

# IC 3128

IC 3128 is a [galaxy](https://spacecatalog.org/galaxies) triplet in the constellation [Virgo](https://spacecatalog.org/constellation/virgo). Other catalogues list it as IC 3128A, IRAS 12161+1200 and LEDA 39562, among 5 designations in total.

## At a glance

- **WHAT IT IS:** Galaxy triplet
- **HOW BIG ON THE SKY:** 1.4′ — Small enough that the full Moon would cover it several times over.
- **WHERE TO LOOK:** [Virgo](https://spacecatalog.org/constellation/virgo) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Galaxy triplet |
| CONSTELLATION | Virgo |
| RIGHT ASCENSION (J2000) | 12h 18m 40.2s |
| DECLINATION (J2000) | +11° 44′ 01.0″ |

## Catalogue data

### 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 | 1.4′ |

### OTHER NAMES AND NUMBERS

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

| Field | Value |
| --- | --- |
| OpenNGC type code | GTrpl |
| Wikidata item | Q3717693 |

## Also known as

- IC: IC 3128
- IC: IC 3128A
- IRAS: IRAS 12161+1200
- LEDA: LEDA 39562
- PGC: PGC 39562

## 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 3128 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ic-3128

```bibtex
@misc{spacecatalog_ic-3128,
  author       = {{SpaceCatalog}},
  title        = {{IC 3128}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/ic-3128},
  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-3128