Credits & Attribution

OpenAstro stands on the shoulders of the open-source astronomy community. Parts of OpenAstro incorporate or are derived from the projects below. We're grateful for their work, and we preserve their copyright notices and license terms as required.

This page is provided for attribution and license compliance. It does not imply that these projects endorse, sponsor, or are affiliated with OpenAstro.

PHD2​

PHD2 Guiding, the widely used telescope autoguiding application.

• Used for: portions of guiding-related code.
• License: BSD 3-Clause
• Source: github.com/OpenPHDGuiding/phd2

N.I.N.A.​

N.I.N.A. (Nighttime Imaging 'N' Astronomy), an astrophotography imaging suite.

• Used for: portions of imaging/sequencing-related code.
• License: Mozilla Public License 2.0 (MPL-2.0)
• Source: github.com/isbeorn/nina

Stellarium​

Stellarium, the open-source planetarium.

• Used for: portions of sky/catalog-related code.
• License: GNU General Public License v2.0 or later (GPL-2.0-or-later)
• Source: github.com/Stellarium/stellarium

A note on licenses​

These projects use different open-source licenses with different obligations: BSD, MPL-2.0, and GPL-2.0-or-later. Where OpenAstro distributes code derived from them, we comply with each project's license, including preserving copyright and license notices and, where the license requires it, making corresponding source available.

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