Celestial hemisphere:  Southern  ·  Constellation: Monoceros (Mon)  ·  Contains:  Sh2-289
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SH2-289, KuriousGeorge
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SH2-289

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SH2-289, KuriousGeorge
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SH2-289

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Description

SH2-289 is one of the most distant HII regions of the Milky Way at almost 33,000 light years.

An unusually feature seen in the nebula could be what is called the Champagne Flow. They appear as spikes jetting out at the bottom of the nebula. A champagne flow is an astrophysical event whereby an HII region created inside a molecular cloud from ionization due to a recently formed star (usually an O-star) expands outward until it reaches the interstellar medium. At which point the ionized hydrogen gas bursts outward like an uncorked champagne bottle. This event is also sometimes called a Blister.

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