or this wide-field view showing the spiral arms of M31, the Andromeda Galaxy. Meade 5-inch ETX-125 EC In 2001, we added the first new small telescopes to the observatory's collection in almost 30 ...

NASA's Roman Space Telescope is preparing for launch in 2027, with a mission to study distant galaxies and explore dark ...

The Wide-Field Instrument (WFI), the primary instrument aboard NASA's Nancy Grace Roman Space Telescope, is a 300-megapixel ...

Here, we've divided them into two categories: the Maksutov-Cassegrain ... Newtonian telescopes are popular with amateur astronomers because they allow users to focus on a really wide range of ...

Each of the HATSouth units holds four 0.18 m diameter f/2.8f/2.8 focal ratio telescope tubes on a common mount producing an 8.2° × 8.2°8.2°×8.2° field of view on the sky, imaged using four 4 K × 4 K4 ...

Researchers have finished equipping the Subaru Telescope with a new special "compound eye," culminating several years of ...

Since it first introduced the venerable C8 Schmidt-Cassegrain in 1970 ... optical system optimized for wide-field astrophotography. It combines a Schmidt corrector plate with a Rowe-Ackermann ...