Catalogs (for offline use)
ATLAS (up to mag 18)*
ATLAS (up to mag 20)*
* Due to their size, download links for these catalogs are made available upon request for registered Tycho users.
For the best experience, it is recommended that you:
Recommended System Hardware:
Graphics Card: GeForce GTX 970 or better
CPU: Intel Core i5 4590 or better
RAM: 16GB or more
Windows 7 SP1 or better
Tycho can be evaluated for free during a 30 day period. After that time, you are invited to register the software and obtain a license key. Please see the Register page for more details.