Messier 11, Wild Duck cluster

2013-07-27, RGB



Image data

Photographer:Jürgen Stöger
Optics:Takahashi FSQ106ED f/5 (main)
Scopos ED66 (guide)
Mount:Fornax 51
Cameras:Atik 383L+ (main)
Starlight SXV-M7 (guide)
Exposure:L=135min (45×3), R=each 30 min (6×5)
Conditions:about 5 mag
Moon:68 % illuminated fraction
Date:27 + 28 July 2013
Remarks:Image processing assistance by Gerald Wechselberger and Franz Gruber

M11 object information

The open cluster was discovered by Gottfried Kirch in 1681. In May 1764 Charles Messier included the cluster into his catalogue. M 11, due to its appearance with flying ducks also known as wild duck cluster, is a compact and star rich cluster located in the Scutum cloud.

RA: 18h51.1m
Dec: -06° 16′
Size: 14′
Distance: 5500 light years