Credits for astro.tukka.dev 1. VSOP87 planetary theory What: the series that give the positions of Mercury to Neptune and the Earth (version VSOP87D), cut down to the terms needed for 1900-2100. Author: P. Bretagnon and G. Francou, Bureau des Longitudes (now IMCCE), Paris. Reference: Astronomy & Astrophysics 202, 309 (1988). Source: VizieR catalogue VI/81, https://cdsarc.cds.unistra.fr/viz-bin/cat/VI/81 License: scientific data, published for public use; credited here. Used in: every planet position (/_nuxt/ data chunk, loaded when a chart is cast). 2. Astronomical Algorithms What: the formulas and tables for the Moon (the main terms of ELP-2000/82 by M. Chapront-Touzé and J. Chapront), Pluto, nutation, obliquity, sidereal time, aberration and precession, and the Delta T polynomials of F. Espenak and J. Meeus (NASA). Author: Jean Meeus, Astronomical Algorithms, 2nd edition, Willmann-Bell, 1998. Source: the book; tables 22.A, 37.A, 47.A and 47.B transcribed via astronomia (item 3). License: published scientific formulas and data; credited here. Used in: the chart engine (every chart). 3. astronomia What: a JavaScript implementation of Meeus's algorithms; the Moon, Pluto and nutation tables were transcribed from it. Author: Sonia Keys and commenthol Source: https://github.com/commenthol/astronomia License: MIT. Copyright (c) 2013 Sonia Keys, Copyright (c) 2016 Commenthol Used in: the chart engine (every chart). 4. Hipparcos star positions What: positions and proper motions of Spica, delta Cancri and zeta Piscium, for the True Chitra, True Pushya and True Revati ayanamsas. Author: European Space Agency, Hipparcos catalogue (new reduction, F. van Leeuwen 2007), via the SIMBAD database, CDS, Strasbourg. Source: https://simbad.cds.unistra.fr/ License: scientific data, published for public use; credited here. Used in: the star-based ayanamsas. 5. GeoNames What: names, coordinates and time zones of places with 5,000 or more people (cities5000), with state and country names. Author: GeoNames (www.geonames.org) Source: https://download.geonames.org/export/dump/ License: Creative Commons Attribution 4.0, https://creativecommons.org/licenses/by/4.0/ Used in: the place of birth search (/cities.txt). 6. Nuxt What: web framework; its runtime code ships in the site's JavaScript. Author: Nuxt Team Source: https://github.com/nuxt/nuxt License: MIT. Copyright (c) 2016-present - Nuxt Team Used in: every page. 7. Vue What: JavaScript framework; its runtime ships in the site's JavaScript. Author: Yuxi (Evan) You and Vue contributors Source: https://github.com/vuejs/core License: MIT. Copyright (c) 2018-present, Yuxi (Evan) You Used in: every page. 8. Vue Router What: page routing; ships in the site's JavaScript. Author: Eduardo San Martin Morote Source: https://github.com/vuejs/router License: MIT. Copyright (c) 2019-present Eduardo San Martin Morote Used in: every page. 9. Unhead What: manages page titles and meta tags; ships in the site's JavaScript. Author: Harlan Wilton Source: https://github.com/unjs/unhead License: MIT. Copyright (c) Harlan Wilton Used in: every page. 10. UnJS utilities bundled by Nuxt (ofetch, ufo, defu, destr, hookable, unctx) What: small helper libraries; ship in the site's JavaScript. Author: Pooya Parsa Source: https://github.com/unjs License: MIT. Copyright (c) Pooya Parsa Used in: every page. 11. devalue What: serializes page data; ships in the site's JavaScript. Author: Rich Harris and contributors Source: https://github.com/Rich-Harris/devalue License: MIT. Copyright (c) 2018-19 the devalue contributors Used in: every page. 12. Tailwind CSS What: CSS framework; its generated styles ship in the site's CSS. Author: Tailwind Labs, Inc. Source: https://github.com/tailwindlabs/tailwindcss License: MIT. Copyright (c) Tailwind Labs, Inc. Used in: every page. 13. Nuxt Site Config What: holds the site's address for the sitemap module; ships in the site's JavaScript. Author: Harlan Wilton Source: https://github.com/harlan-zw/nuxt-site-config License: MIT. Copyright (c) 2023-Present - Harlan Wilton Used in: every page. 14. Noto Sans Symbols What: typeface; the outlines of its astrological glyphs (planets and zodiac signs) ship as SVG paths. Author: The Noto Project Authors Source: https://github.com/notofonts/symbols License: SIL Open Font License 1.1 (text below). Copyright 2022 The Noto Project Authors (https://github.com/notofonts/symbols) Used in: the chart wheel and the planet and sign symbols in the tables. 15. Inter What: typeface; its font files ship with the site. Author: The Inter Project Authors Source: https://github.com/rsms/inter (files packaged by Fontsource, https://fontsource.org) License: SIL Open Font License 1.1 (text below). Copyright 2016 The Inter Project Authors (https://github.com/rsms/inter) Used in: all body text, labels and numbers. 16. Cormorant Garamond What: typeface; its font files ship with the site. Author: The Cormorant Project Authors (Christian Thalmann, Catharsis Fonts) Source: https://github.com/CatharsisFonts/Cormorant (files packaged by Fontsource, https://fontsource.org) License: SIL Open Font License 1.1 (text below). Copyright 2015 The Cormorant Project Authors (github.com/CatharsisFonts/Cormorant) Used in: headings and the site name. 17. Lora What: typeface; its font files ship with the site and are embedded in downloaded chart SVGs. Author: The Lora Project Authors (Cyreal) Source: https://github.com/cyrealtype/Lora-Cyrillic (files packaged by Fontsource, https://fontsource.org) License: SIL Open Font License 1.1 (text below). Copyright 2011 The Lora Project Authors (https://github.com/cyrealtype/Lora-Cyrillic), with Reserved Font Name "Lora". Used in: all text inside the charts, on the page and in downloads. MIT License (applies to items 3 and 6 to 13, each under its own copyright line above) 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. SIL Open Font License 1.1 (applies to items 14 to 17, each under its own copyright line above) This Font Software is licensed under the SIL Open Font License, Version 1.1. This license is copied below, and is also available with a FAQ at: http://scripts.sil.org/OFL ----------------------------------------------------------- SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007 ----------------------------------------------------------- PREAMBLE The goals of the Open Font License (OFL) are to stimulate worldwide development of collaborative font projects, to support the font creation efforts of academic and linguistic communities, and to provide a free and open framework in which fonts may be shared and improved in partnership with others. The OFL allows the licensed fonts to be used, studied, modified and redistributed freely as long as they are not sold by themselves. The fonts, including any derivative works, can be bundled, embedded, redistributed and/or sold with any software provided that any reserved names are not used by derivative works. The fonts and derivatives, however, cannot be released under any other type of license. 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