# the River · Eridanus (Eri)

- Latin name: Eridanus
- Common name: the River
- Abbreviation: Eri
- Latin genitive: Eridani
- Name pronunciation: ih-RID-un-us
- Genitive pronunciation: ih-RID-un-eye
- Sky region: Across the celestial equator
- Boundary declination range: -57.92° to 0.40°
- Chart reference: J2000
- Chart sections: 1

Charts show a fixed J2000 reference. What you can see depends on your location, the date and the time.

## Charts

This image was made with reference to IAU charts.

- [Eridanus · Light chart · SVG](https://constellations.wiki/media/styled/eri-light.svg)
- [Dark chart · SVG](https://constellations.wiki/media/styled/eri-dark.svg)
- [View IAU original](https://constellations.wiki/media/reference/iau/eri.gif)
- [Eridanus · PDF](https://constellations.wiki/downloads/pdf/eri.pdf)
- [Eridanus · GIF](https://constellations.wiki/media/original/eri.gif)
- [Eridanus · TXT](https://constellations.wiki/downloads/boundaries/eri.txt)

## How to read this chart

![Deep-sky legend](https://constellations.wiki/media/legends/legend-en.svg)

Dots mark stars, and their sizes indicate brightness. Stars appear dark on light charts and light on dark charts. Green lines show a constellation pattern. The surrounding grid gives right ascension and declination.

This is a fixed reference map, rather than a view of tonight’s sky.

- [Reading a star chart](https://constellations.wiki/en/guides/reading-star-charts/index.md)