More from BBC Sky at Night

BBC Sky at Night1 min read
Greatest-ever Gravitational Wave Search Is Back On
Two of the world's foremost gravitational wave observatories restarted operations on 10 April after pausing for maintenance and upgrades. The LIGO and Virgo detectors are now continuing their fourth observing run (O4), which will extend into 2025. Th
BBC Sky at Night1 min read
Welcome
June is the month of summer solstice in the Northern Hemisphere. On the 20th, the Sun reaches its most northerly point against the background stars. This key moment in our star's annual passage across the celestial sphere, as seen from Earth, has bee
BBC Sky at Night5 min read
Sky-Watcher EQ-AL55i Pro Wi-Fi mount
∙ Price £779 ∙ Mount type Equatorial with Go-To ∙ Load capacity 10kg ∙ Slew speed Up to 4° per second ∙ Power input 12V DC ∙ Autoguider port ST4 ∙ Protocols SynScan, ASCOM via Wi-Fi or USB ∙ Weight 14.8kg ∙ Supplier Optical Vision Ltd ∙ Email info@op

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