WebbCompare

The premium Open Source alternative to ESA Sky

🎯 Best for:Educators and space enthusiasts comparing JWST and Hubble observations.
Visit WebsiteCompare with ESA Sky
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GPL-3.0License

What is WebbCompare?

Replaces manual image processing for comparing multi-telescope space imagery. Uses a slider interface to align and contrast astronomical data from Hubble and James Webb.

Tech Stack
JavaScriptPhysics & Astronomy

Why WebbCompare?

  • Zero-install web tool
  • High-resolution imagery
  • Mobile responsive UI

Limitations

  • Limited to specific targets
  • No custom image upload
  • Basic comparison features
1/24/2026
Last Update
28
Forks
8
Issues
GPL-3.0
License
Financial Leak Detected

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Competitor Cost
-$1,440
/ year (est. based on ESA Sky)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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