triple shadow transit – Astronomy Now

13 October 2025

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Hubble captures rare triple-moon conjunction

9 February 2015 Astronomy Now

On 24th January 2015, three of Jupiter’s Galilean moons were in simultaneous transit across the face of their parent planet. The Hubble Space Telescope captured this rare event in amazing detail.

24th Jan: Griffith Observatory live webcast of rare triple moon shadows on Jupiter

23 January 2015 Ade Ashford

With good weather predicted, UK observers are in for a early treat on the morning of Saturday, 24th January, when a rare triple shadow transit of Jupiter’s moons occurs — an event not to be repeated until 2032. If cloudy, Griffith Observatory in Los Angeles is hosting a live webcast.