M101 - The Pinwheel Galaxy (Brent Newton)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 101 · NGC 5422 · NGC 5457 · NGC 5473 · NGC 5474 · NGC 5485

M101 - The Pinwheel Galaxy, Brent Newton

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M101 - The Pinwheel Galaxy

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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M101 - The Pinwheel Galaxy

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

This is M101, called the Pinwheel Galaxy. M101 is a "Grand Design Spiral Galaxy" (meaning it has well-defined spiral arms, a quality shared by ~10% of all known galaxies) drifting ~21M Lightyears from us, about 10x further away than Andromeda.

In the background several other galaxies are also visible. To the lower right is NGC 5474, a dwarf galaxy near to M101. The viewer may see that it looks irregular, with the bright galactic nucleus pushed to one side of its hazy disk - you can thank M101 for causing the gravitational disturbance, and you can thank NGC 5474 for giving M101 its far flung arms. This galaxy looks very primal and malevolent to me as a result, almost like the spread tentacles of a deep-sea cephalopod.

To the upper left is an edge-on galaxy called NGC 5422, which lies a much farther 83M Lightyears away. Many of the other galaxies, including the group to the lower left, share a similar distance, with the furthest being more than 90M Lightyears away.

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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M101 - The Pinwheel Galaxy

M101 - The Pinwheel Galaxy

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M101 - The Pinwheel Galaxy

M101 - The Pinwheel Galaxy

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