
**Stars**<br/>
[Big Sky Catalog](https://github.com/steveberardi/bigsky) - compilation of Hipparcos, Tycho-1, Tycho-2 in Epoch J2000

**Constellation Lines**<br/>
[Stellarium](https://github.com/Stellarium/stellarium/tree/master/skycultures/modern_st) (via [Sky & Telescope](https://www.skyandtelescope.com))

**Constellation Borders**<br/>
[IAU Constellation page](http://www.iau.org/public/themes/constellations/)<br/>
Catalogue of Constellation Boundary Data; Davenhall A.C., Leggett S.K. (1989) [VizieR VI/49](http://vizier.cfa.harvard.edu/viz-bin/Cat?VI/49) (via [d3-celestial](https://github.com/ofrohn/d3-celestial))

**Deep Sky Objects (DSOs)**<br/>
[OpenNGC](https://github.com/mattiaverga/OpenNGC) - compilation of the New General Catalogue (NGC) and Index Catalogue (IC)

**Moon & Planet Sizes**<br/>
[NASA - Solar System Sizes](https://science.nasa.gov/resource/solar-system-sizes/)<br/>
[NASA - Moon Facts](https://science.nasa.gov/moon/facts/)

**Milky Way Outline**<br/>
Created by Steve Berardi with QGIS + GDAL from NASA's [Deep Star Maps](https://svs.gsfc.nasa.gov/4851)


!!! star "🎉 New! Custom Catalogs"
    Starplot now supports custom data catalogs for stars, constellations, and DSOs!
    
    [See the overview for more information](data/overview.md).

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