deep-sky
star cluster (open)
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Open star cluster M11 contains an estimated 2.900 stars and lies at a distance of 6.200 light years.
The Wild Duck Cluster is one of the richest and most compact of the known open clusters, it was discovered in 1681.
Its age is estimated to be about 220 million years.
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Image information:
Object info
Name: M11 – The Wild Duck Cluster
Type: Star cluster (open)
Constellation: Scutum
Distance: 6200 ly
Date & location
Date: September 30, 2011
Location: Landgraaf, The Netherlands
Equipment & optics
Total integration: 54m
Camera: SBIG ST-8300M
Optics: TMB/LOMO 80/480
Mount: Losmandy G-11 Gemini
Image comments
Quite humid conditions.