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RAVE Survey data:

CC0 1.0 Universal (CC0 1.0) Public Domain Dedication 

www.rave-survey.org

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APOGEE DR16 data:

https://arxiv.org/abs/1912.02905

https://www.sdss.org/

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2MASS data:

https://iopscience.iop.org/article/10.1086/498708/pdf

https://irsa.ipac.caltech.edu/Missions/2mass.html

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Solar images:

Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams

https://sdo.gsfc.nasa.gov/data/

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Sunspot data:

Courtesy of SILSO data/image, Royal Observatory of Belgium, Brussels

http://www.sidc.be/silso/datafiles

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Galaxy images:

Creative Commons Attribution license (CC-BY)

https://www.sdss.org/

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Notebooks:

CC0 1.0 Universal (CC0 1.0) Public Domain Dedication 

gal.matijevic@protonmail.com

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