Creative Commons Attribution 3.0 Unported License(CC BY 3.0)
Celestial Planisphere, which you can download at Download PDF files - Celestial Planisphere is available under the Creative Commons Attribution 3.0 Unported License and may be reproduced without fee provided they are clearly and visibly credited.
The credit must be presented in a clear and readable manner to all users by following rules and etiquette of your creative work industry.
For example
en.hoshifuru.jp
Celestial Planisphere:en.hoshifuru.jp
Celestial Planisphere
If it's difficult to indicate credit on your product, please contact us in advance. In some cases, this might require payment.
Please Email to pr[at]hoshifuru.jp
License History
2017.07.18 release.
License History
2017.07.18 release.