Click on above image for hires.
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| Optics | Canon 50mm f/1.8 mkII |
| Focal Lenght | 50 mm |
| Focal Ratio | f/4 |
| Exposure Time | 48 min
(single exp of 8 min) |
| CCD | Canon EOS 5D
with baader filter |
| Location | Pian
dell'Armà (PV, Italian Appennines) at 1350m height |
| Date |
4 july 2008 |
| Mount | Gemini G-41 |
| Tracking | no corrections |
| Temperature and humidity | T=+14°C,
RH=55% |
| Sky
brightness at zenith (with SQM-L) |
21.3
mag/arcsec^2 |
| Notes | - |
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