# Constellation Atlas (English)

> Explore all 88 constellations: Latin names, English names, abbreviations, J2000 boundaries and printable A4 star charts.

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

All 88 constellations are sky regions. Serpens has two separate chart sections within one constellation.

## Browse

- [All 88 constellations](https://constellations.wiki/en/constellations/index.md)
- [Star chart library](https://constellations.wiki/en/charts/index.md)
- [Learn](https://constellations.wiki/en/learn/index.md)

## Guides

- [Constellations and asterisms](https://constellations.wiki/en/guides/constellations-and-asterisms/index.md): A constellation is a defined region of the sky. A star pattern is a different way of reading the same sky.
- [Reading a star chart](https://constellations.wiki/en/guides/reading-star-charts/index.md): Read the coordinate grid, star symbols and boundaries, and understand what a fixed J2000 chart tells you.
- [Sky regions and what you can see](https://constellations.wiki/en/guides/sky-regions-and-visibility/index.md): Understand northern, southern and cross-equator constellations, then use your location and time to plan an observation.
- [Constellation names, abbreviations and genitives](https://constellations.wiki/en/guides/constellation-names-and-genitives/index.md): Learn which name to search, what a Latin genitive means, and how to read labels such as Alpha Orionis or UMa.

## Constellation names

- [the Hunter · Orion](https://constellations.wiki/en/constellations/orion/index.md): Ori
- [the Chained Maiden · Andromeda](https://constellations.wiki/en/constellations/andromeda/index.md): And
- [the Little Bear · Ursa Minor](https://constellations.wiki/en/constellations/ursa-minor/index.md): UMi
- [the Serpent · Serpens](https://constellations.wiki/en/constellations/serpens/index.md): Ser

## Optional

- [Constellation catalogue · JSON](https://constellations.wiki/en/data/constellations.json)
- [Boundary coordinates · JSON](https://constellations.wiki/data/boundaries.json)