BluTucana
Calculate Moon, Sun and planets transit for ISS, CSS and Hubble Telescope
BluTucana is a desktop application developed by DSD Lab to calculate and visualize satellite transits (ISS, CSS, Hubble) across the Sun, Moon, and planets. An essential tool for astrophotography, featuring interactive maps and high-precision orbital calculations.
App Preview
Why BluTucana?
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Beyond Sun & Moon
Calculate transits across Mercury, Venus, Mars, Jupiter and Saturn
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High-Fidelity Visuals
Modern dark-mode UI with accurate astronomical plotting and realistic Moon phase rendering
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Precision Search
Set a custom search radius in degrees to catch grazing transits and near-misses
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CSV Data Export
Export your predictions into a structured CSV file instantly for your astrophotography planning.
Local Power. Real-Time Precision
Powered by the high-precision DE421 ephemeris and real-time TLE satellite data, BluTucana handles all the complex astronomical heavy-lifting locally on your machine.
”BluTucana v1.0 is just the beginning."
“I built this tool to be as accurate and reliable as possible, using top-tier mathematical models. However, astrophotography involves countless variables—and software is never completely bug-free. This version 1.0 is a solid foundation, but there is always room for improvement. If you encounter any weird behavior, find a bug, or have a suggestion, please reach out via the Contact page. Your feedback will be essential for future updates!”