About prema & Horoscho Chart

Credits & Open-Source Licenses

Horoscho Chart uses the following open-source software.

Skyfield

Astronomical calculations are powered by the Skyfield library.

Copyright © 2013–2018 Brandon Rhodes and available under the MIT license:

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  

Ephemeris data

Planetary and lunar positions are computed from ephemeris data (DE440 / DE441) published by NASA Jet Propulsion Laboratory (JPL).

Trademarks & Independence

Horoscho Chart is an independent application. It is not affiliated with, endorsed by, or sponsored by the Skyfield project or its author, nor by NASA / JPL. “Skyfield” and all other product or project names are the property of their respective owners. We use these open-source tools and publicly available data with gratitude and respect to their authors and communities.