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Total visitors 2 1
An astronomy site with more than 200 000 visits from the date of creation. A lot of observations (many unique), pictures and videos especially about the Sun in h-alpha wavelength and the planets of the solar system. ISS high resolution tracking is developed too ! A place is reserved for 3D experiences and pictures including original approaches like the single-mirror and W3BPS systems ...
Wcs is a software for fast polaralignment of astronomical mounts. you nail your alignment within 20 minutes!
From general relativity we know that only in local inertial frames does the measured speed of light equals the nominal speed of light (299792.458km/sec).