THIRD-PARTY NOTICES - ORVUNI STAR STUDIO 1.0

1. Astronomy Engine by Don Cross / cosinekitty
https://github.com/cosinekitty/astronomy
MIT licence. Unmodified browser library is bundled; see ASTRONOMY-MIT.txt.

2. D3-Celestial data distribution by Olaf Frohn
https://github.com/ofrohn/d3-celestial
BSD 3-Clause distribution licence; see D3-CELESTIAL-BSD.txt. The application uses stars.6.json and constellations.lines.json, not the D3 rendering library.
Star source identified in the distributor's documentation: XHIP, An Extended Hipparcos Compilation, Anderson & Francis (2012), VizieR V/137D. https://cdsarc.cds.unistra.fr/viz-bin/cat/V/137D
Constellation source: IAU constellation data, with line modifications and GeoJSON conversion by Olaf Frohn. Data use source epoch J2000. Orvuni applies its own chart projection and styling. No claim to exclusive ownership of catalogue data is made.

3. Allura by TypeSETit / Robert E. Leuschke
https://github.com/google/fonts/tree/main/ofl/allura
SIL Open Font License 1.1; see ALLURA-OFL.txt. The original font is embedded, without modification.

4. Lunar surface texture
NASA Scientific Visualization Studio CGI Moon Kit
https://svs.gsfc.nasa.gov/4720/
Credit: NASA/GSFC/Arizona State University; visualization by Ernie Wright. Orvuni projects the supplied LROC colour texture onto a sphere and shades it using a calculated phase, or a clearly labelled full-Moon illustration. No NASA, ESA or other agency endorsement is implied.

5. Offline city database
GeoNames cities15000 and admin1CodesASCII, downloaded 30 October 2026
https://www.geonames.org/ and https://download.geonames.org/export/dump/
Creative Commons Attribution 4.0 International, https://creativecommons.org/licenses/by/4.0/
Orvuni extracts names, ASCII names, country/region, coordinates, time zone and population; sorts the records and bundles 34,193 places for offline searching. Data are provided as-is without a representation of completeness or accuracy. The source Readme is included as GEONAMES-SOURCE-README.txt. The purchase licence does not restrict rights granted in this dataset.

Orvuni is independent of all credited parties. Credit links are informational and do not imply sponsorship.