Website by Nathanaël Restori.

Based on the following excellent pieces of software and data sources:

• Astropy for the coordinates conversion.
• Skyfield for the ephemerides computation.
• NASA JPL for the ephemerides.
• The International Astronomical Union for the constellations.
• The HYG database by David Nash.
• The Milky Way Outline Catalog by José R. Vieira.
• The Milky Way Panorama by Axel Mellinger.
• OpenNGC by Mattia Verga for the deep sky objects (M/NGC/IC).
• The New World Atlas of Artificial Sky Brightness by Falchi et al. for the light pollution.