An estimated age of over 12 billion years makes M15 the oldest known globular cluster. This massive grouping of stars is collapsing under its own gravitation pull, drawing the stars in towards a possible black hole in its core.
|Total exposure:||6 m|
|Ra:||21h 29m 53.2s|
|Dec:||+12° 08' 16.344|
|Size:||61.154 x 41.548 arcmin|