Close-up of Jupiter filling almost the whole frame: cloud belts, a small dark shadow on the disc and a bright moon at the lower right edge.
Jupiter with a moon's shadow · © Martin Hudec

Sun, Moon & planets

Jupiter with a moon's shadow

A moon's shadow passing across Jupiter's clouds.

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About the object

When a moon passes between the Sun and Jupiter, it casts a shadow on the cloud tops, visible as a sharp dark dot. Such shadow transits of the Galilean moons recur regularly and are a favourite target of planetary imagers.

How the image was made

Captured
15 December 2023
Total exposure
video, keeping only the sharpest frames
Processing
Topaz Photo AI 2.2.0 (Macintosh)

Data from the original file’s metadata or from the author.