Tycho-2 provides detailed star information in the C2A format. Users need to decompress it to use it effectively.

Emily Johnson

Tycho-2 is an amazing app! The C2A catalogue works perfectly, and the updates are super helpful.

Alex

I love using Tycho-2! The interface is user-friendly, and the catalogues are detailed and accurate.

Jordan

This app is fantastic! It’s great to have all the star data in one place, highly recommend it!

Samira

Tycho-2 has really enhanced my stargazing experience. The supplementary catalogues are a game changer!

Liam

I’m impressed with Tycho-2! Easy to use, and the information is precise. A must-have for astronomy lovers!

Nina

Five stars for Tycho-2! The decompression feature works flawlessly, making star data easily accessible.

Ethan