Month: March 2018

The Equatorial Mount

It is enough to have spent a few seconds on the eyepiece of a so-called azimuthal instrument, mounted on a tripod, to be aware of the sidereal movement which causes the whole celestial vault in the opposite direction to the rotation of the Earth, causing all the stars from east to west. With manual retraction …

Solar Telescope

Around the world, about thirty observatories have dedicated at least one telescope to the study of the Sun. Given the atmospheric turbulence, it is almost impossible to use instruments over one meter in diameter unless you have a high altitude site or install adaptive optics. Also for the time being, the largest solar telescope is …