# 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.