IC 5146 - Cocoon nebula nad dark dust lanes of B 168

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IC 5146 - Cocoon nebula nad dark dust lanes of B 168
Object: ic5146 - emission and dark nebulae, Cygnus
Coordinates: , center of the image
Location, date: Černá v Pošumaví, Hůrka (18.08.2009), Czech Republic
Telescope: Pentax SDHF
Focal lenght, speed: 500 mm, f/6.67
Camera: Canon EOS 300D, astrophoto modification
Senzor: 6.3 MPix APS-C, 22.7 x 15.1 mm, pixel 7.4 um
Expozure: 22x640 sec - ISO 800
Filter: -
Mount: Celestron CG5-Advanced GT
Pointer: Sky-Watcher, 75/500 mm