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Optics | Canon lens 50 mm f/1.8 mkII |
Focal Length | 50 mm |
Focal Ratio | f/4 |
Exposure Time | 1h
(single exp of 10 min) |
CCD | Canon
EOS 5D with Baader filter |
Sensitivity | 800 ISO |
Location | Tivoli Farm
(Namibia) at 1350 m height |
Date |
25 August 2011, h4 UT |
Mount | Losmandy G11 |
Tracking | none |
Temperature and humidity | T= -1°C, RH=61% |
Sky brightness at zenith (with SQM-L) | 21.64 mag/arcsec^2 |
Notes | This
image is a collaborative effort of the Namibia 2011 expedition.
Processing: Lorenzo Comolli. Images by: Lorenzo Comolli, Luigi Fontana,
Giosuè Ghioldi, Emmanuele Sordini. |
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