M2 - Globular Cluster
M2 (NGC7089) is a globular cluster consisting of approximately 150,000 stars located within our galaxy at a distance of approximately 36,000 light years. The brighter stars of the cluster are yellow and red-giant stars estimated to be 13 billion years old. This cluster is located in the constellation Aquarius. More information about this object and additional images can be found at the Messier Index - M2.
The above true-color image is a composite of 15-second images in white (8x15sec) captured on 5 November 1999 combined with 10-second images in cyan (43x10sec), magenta (44x10sec) and yellow (22x10sec) taken on 20 August 2000. The white component of this image is shown below.
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