LED Planetarium Dome Case Study: The First Year of LED at Planetum Prague
What happens after a venue transitions from traditional projection to Europe’s very first LED planetarium dome? In this episode of Fulldome Talks, host Filip Veselý (CTO at Krutart) interviews Martin Fuchs, Creative Director at Planetum Prague, analyzing the technical, financial, and operational reality of running an LED fulldome.
Key Takeaways for Planetarium Directors:
LED Dome Cost vs. Value: Scaling attendance from 80,000 to 500,000 annual visitors justified the $10M investment for a major European capital.
Content Geometry Challenge: Encoding 210° extended LED dome content required custom distortion mapping when limited by 180° software.
LED vs. Projection: LED domes offer unmatched brightness and contrast for digital art and concerts, but may be cost-prohibitive for smaller community domes.
Key Topics and B2B Insights Covered in This Episode
The $10M ROI & Capital Approval: How Planetum Prague secured city funding by pitching a multi-purpose LED display instead of a standard laser projector upgrade.
210° Extended LED Dome Encoding Hack: How technical teams resolved a major software limitation when mapping custom 210° fulldome graphics through software capped at 180°.
Audience Education & Non-Astronomy Programming: Why 99% of first-time visitors expect traditional astronomy shows, and how Planetum uses LED technology to market digital art, live concerts, and immersive shows.
Attendance & Scalability: Financial and operational breakdown of reaching 500,000 annual visitors and completing 2,000 consecutive sold-out shows.
LED vs. Laser Projection Feasibility: Martin Fuchs’ honest technical evaluation on when an LED dome makes commercial sense versus when it is overkill for smaller regional planetariums.
