Near Milky Way center

Mouse over for the main objects. Click on the image for the high res version

Technical Data
Optics Sigma 20 mm f/1.8
Focal Lenght 20 mm
Focal Ratio f/4
Exposure Time 1h10min (single exp of 10 min)
CCD Canon EOS 5D with baader filter
Location Colle dell'Agnello (CN, Italian Alps) at 2700 m height
9 Aug 2010
Mount Kenko NES
Tracking none, only AR motor
Temperature and humidity T=+6°C, RH=50%
Sky brightness at zenith (with SQM-L) 21.7 mag/arcsec^2
Notes Thanks to Emmanuele Sordini for loaning me his Canon EOS 5D mod! The image was heavily stretched, so the brightest parts of the Milky Way was burned out.
Unfortunately this objective is not fully corrected even at f/4 (full aperture f/1.8), as the stars on the corners shows.

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