Don’t overlook your filter wheel and focuser—they're crucial for clean, sharp astrophotos. In this episode of ...

Safe solar observation is achievable through specialized eclipse glasses and telescope filters, enabling direct viewing of the Sun's dynamic surface. White-light filters, categorized as glass or film, ...

ABSTRACT Data from the Hubble Space Telescope (HST) Fine Guidance Sensor (FGS) interferometers, covering 22 months of guide‐star acquisition operations, have been analyzed for evidence of stellar ...

To help take extra sharp images of space, a telescope in South America is firing a mega-laser – one made up of five beams – into the night sky. The sodium laser "constellation" – as scientists call it ...