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NGC 1499 • California Nebula in SHO, Douglas J Struble

NGC 1499 • California Nebula in SHO

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NGC 1499 • California Nebula in SHO, Douglas J Struble

NGC 1499 • California Nebula in SHO

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Description

With these horrible winter nights here in Michigan, I took a break on capturing fainter objects and decided to revisit NGC 1499; the California Nebula. I captured some new data and combined it with data I captured back in 2018.

The California Nebula (NGC 1499) is an emission nebula located in the constellation Perseus. It is so named because it appears to resemble the outline of the US State of California on long exposure photographs. It is almost 2.5° long on the sky and, because of its very low surface brightness, it is extremely difficult to observe visually. It can be observed with a Hβ filter (isolates the Hβ line at 486 nm) in a rich-field telescope under dark skies. It lies at a distance of about 1,000 light years from Earth. Its fluorescence is due to excitation of the Hβ line in the nebula by the nearby prodigiously energetic O7 star, xi Persei.

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    NGC 1499 • California Nebula in SHO, Douglas J Struble
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    NGC 1499 • California Nebula in SHO, Douglas J Struble
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Description: June 2021 Astronomy Magazine

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NGC 1499 • California Nebula in SHO, Douglas J Struble