More from BBC Sky at Night

BBC Sky at Night2 min read
A New Star In The Northern Crown
Look to the sky in the coming months and there could be what appears to be a bright new star. In reality, this is T Coronae Borealis (T CrB), a star that's usually dim but which jumps dramatically in brightness every 80 years to become visible to the
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 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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