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| Optics | Canon 50mm f/1.8 mkII |
| Focal Lenght | 50 mm |
| Focal Ratio | f/4 |
| Exposure Time | Total:
5h20m; 5 panels of 60 or 70 min each (single exp
of 10 min) |
| CCD | Canon
EOS 5D with baader filter |
| Location | Colle
dell'Agnello (CN, Italian Alps) at 2700 m height |
| Date |
16-17
August 2009 |
| Mount | Kenko
NES |
| Tracking | no
corrections |
| Temperature and humidity | T=+8°C, RH=60% |
| Sky brightness at zenith (with SQM-L) | 21.5-21.6
mag/arcsec^2 |
| Notes | - |
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