73 lines
3.0 KiB
Plaintext
73 lines
3.0 KiB
Plaintext
****** Celestial Vault Plugin ******
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* Credits *
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************************************
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##############
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### Assets ###
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##############
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-------------------------------------------------------------------------
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-- Milky Way, Constellation Lines, RADEC Grid in Celestial coordinates --
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-------------------------------------------------------------------------
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Credits: NASA/Goddard Space Flight Center Scientific Visualization Studio. Gaia DR2: ESA/Gaia/DPAC. Constellation figures based on those developed for the IAU by Alan MacRobert of Sky and Telescope magazine (Roger Sinnott and Rick Fienberg).
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Note - You can download a higher resolution of these textures at https://svs.gsfc.nasa.gov/4851/
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-------------------
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-- Moon Textures --
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-------------------
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Credits: NASA's Scientific Visualization Studio
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Note - You can download a higher resolution of these textures at https://svs.gsfc.nasa.gov/4720/
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(The Normal Map has been created from the Displacement map)
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-----------------------
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-- Fictional Planets --
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-----------------------
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Various sources from public domain or Creative Commons Attribution 4.0 International
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Provided as an implementation example. Please do use your own in production.
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https://opengameart.org/content/planets-6x3000x3000
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https://commons.wikimedia.org/wiki/File:Fictional_Planet_Andoria.png
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https://commons.wikimedia.org/wiki/File:Fictional_Planet_Qo%27noS.png
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--------------------
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-- Stars Catalogs --
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--------------------
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HYG Database : Current version (2024), containing all stars in Hipparcos, Yale Bright Star, and Gliese catalogs (almost 120,000 stars)
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The HYG database is licensed with the Creative Commons Attribution-ShareAlike 4.0 license.
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https://www.astronexus.com/projects/hyg
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There have been filtered and processed to a CSV file imported as a DataTable. One containing the full catalog, another limited to the first 10K brightests (~Mag 6)
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##############################
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### Celestial Computations ###
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##############################
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Big shoutout to Greg's Miller for his awesome Astronomy Programming Page
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https://www.celestialprogramming.com/
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VSOP Computations have been adapted from https://github.com/gmiller123456/vsop87-multilang
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License :
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Author: Greg A Miller (gmiller@gregmiller.net)
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I release all of my work in this project to the public domain.
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Note, though, not everything here can be considered my work. The VSOP87 theory is the work of Bureau des Longitudes. https://site.bdlg.fr/
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Other algorithms have been implementated following the equations described in
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- Jean Meeus : Astronomical Algorithms Second Edition
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- James L. Hilton : Computing Apparent Planetary Magnitudes for The Astronomical Almanac
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- George H. Kaplan : The IAU Resolutions on Astronomical Reference Systems, Time Scales, and Earth Rotation Models
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- https://en.wikipedia.org/wiki/Color_index
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- https://ftp.imcce.fr/pub/ephem/planets/vsop87/vsop87.doc
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- https://aa.usno.navy.mil/faq/GAST
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- http://maia.usno.navy.mil/ser7/tai-utc.dat
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- https://www2.mps.mpg.de/homes/fraenz/systems/systems2art/node2.html
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