v9 users: Please note that you may be eligible for a free upgrade to v10.
See the Register page for more details.
The older v9 version is still available here and here (without installer).
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:
Read the documentation and/or watch the tutorial videos
Contact the developer upon encountering any issues
Recommended System Hardware:
CPU: Intel Core i5 4590 or better
RAM: 16GB or more
Windows 7 SP1 or better
Tycho can be evaluated for free in demo mode using the DS1, DS2, DS3, and Ivar (night 1) datasets. To unlock more functionality, you are invited to register the software and obtain a license key. Please see the Register page for more details.