Eta Carina Nebula (NGC 3372; Caldwell 92)

Eta Carina Nebula (also known as NGC 3372, Caldwell 92) is a diffuse nebula in the constellation Carina. It has an apparent visual magnitude of 6.2 and its angular diameter is 120x120 arc-minutes. NGC 3372 lies at an estimated distance of 7500 light years. The Equinox 2000 coordinates are 10h 43.8m, -59° 52´ which makes NGC 3372 a Southern Hemisphere object that is best seen during the spring. The Caldwell Spring Star Chart shows the position of all Caldwell objects visible during that season. Visit the Caldwell Catalog Photo Gallery to see more objects from this catalog. As one of the more famous objects in the Caldwell Catalog, it is commonly known as the Eta Carinae Nebula.

Eta Carinae, the star at the center of the nebula is a stellar system containing at least two stars. The brighter component is a Luminous Blue Variable (LBV), which originally had a mass of around 150 solar masses, but is now about 120 solar masses. A hot supergiant of approximately 30 solar masses is believed to exist in orbit around the larger star. However, the thick red nebula surrounding Eta Carinae makes it impossible to see the system optically. Its combined luminosity is about five million times greater than the Sun. Because of its mass and late stage of life, Eta Carinae is expected to explode in a supernova in the astronomically near future. See Wikipedia for more details.

Visit NGC3372-Ha to see this region imaged with the same telescope in LRGB plus Hydroden Alpha.

Technical Details



Images of the Eta Carina Nebula

NGC 3372
NGC 3372
Color - LRGB
AP155EDF Refractor

NGC 3372
NGC 3372
H-Alpha
AP155EDF Refractor

NGC 3372
NGC 3372
Color(LRGB) + H-Alpha
AP155EDF Refractor

NGC 3372
NGC 3372
AP155EDF Refractor
SHO - SII, Ha, OIII

NGC 3372
NGC 3372
Color - LRGB
Planewave CDK17

NGC 3372
NGC 3372
H-Alpha
Planewave CDK17

NGC 3372
NGC 3372
Color(LRGB) + H-Alpha
Planewave CDK17



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