# Your Night Sky Studio chart

You are buying custom generation and digital delivery as PNG, JPG and printable A4 PDF. No physical product or exclusive ownership of a star is included.

The generated sky illustration and Celestial Archives' artwork contributions are licensed under Creative Commons Attribution–ShareAlike 4.0 International (CC BY-SA 4.0): https://creativecommons.org/licenses/by-sa/4.0/ . Copying, printing, adaptation and commercial redistribution are permitted under that licence. Preserve appropriate credit, the licence link and an indication of changes when redistributing; adaptations of licensed artwork must use the same licence. We add no personal-use-only or resale prohibition.

Credit: artwork and projection by Celestial Archives Australia; adapted AT-HYG star catalogue by David Nash / Astronexus; constellation figures by Olaf Frohn / d3-celestial; place centres by GeoNames. Catalogue selection, epoch/proper-motion transformations, horizon selection and chart styling are adaptations. Sources: https://studio.celestialarchivesau.com/licences/NOTICE.md .

You retain rights you have in the title and message you supply and allow us to render, store and deliver them for your order. We do not acquire ownership of that material. Private customer text, third-party rights and Celestial Archives' names/logos are not granted under the artwork licence; trademark, privacy and other applicable rights remain separate. Obtain permission for supplied material when needed.

Separate application code is not included in this artwork licence. Fonts retain their SIL Open Font Licences, constellation sources retain BSD notices, and place data retains CC BY 4.0 attribution. No Stellarium software or catalogue is embedded.

Consumer rights remain preserved. Private download access lasts 90 days after payment. Save your files: downloaded files and applicable copyright licences do not expire when the private link closes.