The Trapezium Star Cluster

Trapezium Star Cluster

This image shows a colour composite of near-infrared images of the central regions of the Orion Nebula, obtained on March 14, 2000, with the SOFI instrument at the ESO 3.5-m New Technology Telescope (NTT) at La Silla. Three exposures were made through J- (wavelength 1.25 �m here colour-coded as "blue"), H- (1.65 �m; "green") and Ks-filters (2.16 �m; "red"), respectively. The central group of bright stars is the famous "Trapezium" . The total effective exposure time was 86.4 seconds per band. The sky field measures about 4.9 x 4.9 arcmin 2 (1024 x 1024 pix 2).

Image Credit: ESO
Explanation from: https://www.eso.org/public/images/eso0124a/

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