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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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