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Last updated on April 19, 2014 at 7:50 EDT
A Snapshot of the Jewel Box Cluster
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A Snapshot of the Jewel Box Cluster

October 30, 2009
The FORS1 instrument on the ESO Very Large Telescope (VLT) at ESO's Paranal Observatory was used to take this exquisitely sharp close up view of the colorful Jewel Box cluster, NGC 4755. The telescope's huge mirror allowed very short exposure times: just 2.6 seconds through a blue filter (B), 1.3 seconds through a yellow/green filter (V) and 1.3 seconds through a red filter (R). The field of view spans about seven arcminutes.