Alnitak

Alnitak is the bright blue star.

Alnitak, also known as Zeta Puppis, is a triple star system made out of three blue stars in the constellation Orion. It is part of Orion's Belt. It is a rare O9-type star 20 times larger than the Sun.

Alnitak Media

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  This the star "Alnitak". It's the leftmost and one of the three main stars of Orion's Belt. It sits between the Horsehead and Flame Nebulae. Captured by amateur astronomer Chuck Ayoub. Target:*Alnitak Imaging Telescope: *Celestron RASA (400 focal length) Focuser: *Celestron Electronic Focuser Mount: *Sky-Watcher EQ6-R Pro Imaging Camera: *ZWO ASI533MC Color Total Exposure Time: 2.69 hours

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  Alnitak (lower right) and the Flame Nebula at infrared wavelengths

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  Alnitak Aa compared to the Sun (to scale)

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  Orion's Belt with Alnitak on the left