Image of the day 01/16/2014

    Trapetium [Orion Trapezium Cluster], Giuseppe Donatiello

    Trapetium [Orion Trapezium Cluster]

    Acquisition type: Lucky imaging

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    Description

    The four stars are often identified as A, B, C, and D in order of increasing right ascension. The brightest of the four stars is C, or Theta1 Orionis C, with an apparent magnitude of 5.13. Both A and B have been identified as eclipsing binaries.

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    Trapetium [Orion Trapezium Cluster], Giuseppe Donatiello

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