A telescope is an optical instrument that uses concave and convex lenses to observe distant objects. The light passing through the lens is refracted or the light is reflected by the concave mirror to make it enter the small hole […]
Archivos de mayo, 2021
Introduction to the history of the telescope
Lunes, mayo 31, 2021 Publicado en Sin categoría| No hay comentarios 
Technology and Method of Astrophotography Picture Overlay
Jueves, mayo 20, 2021In modern astrophotography, using a digital camera to take astronomical photos can take dozens of photos. Although each photo is exposed for only a few minutes and the captured image is underexposed, high-quality pictures can be obtained through computer software […]
Tags: Astrophotography
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Modern astrophotography can be roughly divided into nine steps
Miércoles, mayo 12, 20211 good tripod A stable tripod is an extremely important tool for astrophotography. It can ensure that the camera remains absolutely stable and will not shake slightly during a long shooting time. 2 aim at the north celestial pole Aligning […]
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refractor