Welcome to Starplot

Starplot is a Python library for creating star charts and maps of the sky.

• 🗺️ Maps - including 10+ customizable projections

• ⭐ Zenith Charts - shows the entire sky at a specific time and place

• 🌃 Horizon Charts - shows the horizon at a specific time and place

• 🔭 Optic Simulations - shows what you'll see through an optic (e.g. telescope) at a specific time and place

• 🪐 Planets and Deep Sky Objects (DSOs) - more than 14,000 objects built-in

• 🎨 Custom Styles - for all objects and with 8+ built-in themes

• 📥 Export - png, svg, jpeg

• 🚀 Data Backend - powered by DuckDB + Ibis for fast object lookup

• 🧭 Label Collision Avoidance - ensuring all labels are readable

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Example charts and maps created with Starplot:

Zenith chart of the stars from a specific time/location (source code)

Map around the constellation Orion (source code)

Horizon chart that shows the sky looking South from Stonehaugh, England at 11:30pm (source code)

Optic simulation that shows what The Pleiades looked like through a refractor telescope on December 16, 2023 at 9pm PT from Palomar Mountain in California (source code)

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✨ Check out more examples...