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 |
| Location: | Katzelsdorf |
| 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: 18h51.1mDec: -06° 16′
Size: 14′
Distance: 5500 light years