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NGC 2237 - Nebula
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NGC 2237

description NGC 2237 Overview

NGC 2237 is an emission nebula that forms a portion of the larger Rosette Nebula, situated in the constellation Monoceros approximately 5,000 light-years from Earth. It is classified as a massive H II region, meaning it is an ionized cloud of hydrogen gas actively involved in the formation of new stars. The nebula surrounds and is energized by the young open star cluster NGC 2244, whose stellar winds have sculpted a distinctive cavity in the center of the gas cloud. The Rosette complex was cataloged under multiple NGC numbers due to its fragmented appearance in early telescopes.

help NGC 2237 FAQ

What is NGC 2237?

NGC 2237 is an emission nebula that forms a portion of the larger Rosette Nebula, which is a massive H II region. It is located in the constellation Monoceros, approximately 5,000 light-years from Earth.

Can NGC 2237 be seen with the naked eye?

While the star cluster at the center of the Rosette Nebula can be seen with binoculars, NGC 2237 itself is too faint for the naked eye. Astrophotographers typically require long exposures to capture its glowing hydrogen gas.

Where is the Rosette Nebula located in the night sky?

The nebula is located in the constellation Monoceros, the unicorn, near the border of Orion. It is a popular winter-sky target for amateur astronomers in the Northern Hemisphere.

What causes the red glow in NGC 2237?

The reddish glow of NGC 2237 is caused by the ionization of hydrogen gas by the intense ultraviolet radiation from nearby young stars. The stellar winds from these stars in the central cluster also carve out the nebula's distinctive rose-like cavity.

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