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Stars

Combination of the following catalogues:

• Gaia DR2: Data from the ESA mission Gaia, processed by the Gaia DPAC. Gaia Collaboration et al. (2016, 2018b).
• Hipparcos: ESA, 1997, The Hipparcos and Tycho Catalogues, ESA SP-1200
• Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)

Deep Sky Objects

• HyperLeda database, Makarov et al. 2014, A&A, 570, A13
• SIMBAD database, operated at CDS, Strasbourg, France. Wenger et al. 2000, A&AS, 143, 9
• Open NGC Database: Mattia Verga (OpenNGC)

Background Image

Digitized Sky Survey — STScI/NASA, colored & healpixed by CDS. Based on DSS2-red (POSS-II F, AAO-SES, SR, SERC-ER) and DSS2-blue (POSS-II J, SERC-J, EJ).

Planets

All images from NASA & JPL, public domain.

Minor Planets

Data from IAU Minor Planet Center (minorplanetcenter.net).

Others

Landscape by Fabien Chereau. Constellation lines by Fabien Chereau. Graphics by Stellarium Labs.

Sky Culture & Constellation Art

Western sky culture — constellation figures, lines and Latin/English star names — adapted and modified from Stellarium sky cultures, © Stellarium team, licensed under CC BY-SA 4.0.
Constellation illustrations by Johan Meuris, licensed under Free Art License.

Source Code

Based on Stellarium Web Engine (GNU AGPL v3).
Source code: github.com/sqh539/stellarium-web-engine