Solar Telescope Accesories SolarScope standard version SolarScope BDR_2903405 0 Review(s)  €125.00 Good-value projection telescope for absolutely safe solar observation of sun and sunspots in small groups Only Educational-Version: Measurements/experiments of earth rotation speed, day duration, true local noon, earth poles axis inclination, sun rotation speed, latitude of the observation spot, earth orbit ellipticity, astronomical unit (AU) Ease to... Add to cart