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Tuesday, May 22, 2012

NGC6791 - The old star cluster in Lyra


NGC6791 is one of the oldest and most metal-rich open clusters of our galaxy. It is located in the constellation of Lyra. Reference: en.wikipedia.org. This is an uncalibrated test exposure: 5x180s, f/5.3, FL=730mm, QHY8L, TOA130

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