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Optics | Newton 200 mm
(homemade by L. Comolli, F. Riccio and P. Battaglia) |
Focal Lenght | 1260 mm |
Focal Ratio | f/6 |
Corrector | Baader MPCC |
Exposure Time | 2h (single
exp of 10 min) |
CCD | Canon EOS 5D
with baader filter |
Sensitivity | 800 ISO |
Location | Bogli (PC,
Italian Appennines) at 1350 m height |
Date |
2 April 2011 |
Mount | Gemini G-41 |
Tracking | Lodestar on
an 80 mm
f/5 refractor |
Temperature and humidity | T= +5°C,
RH=45% |
Sky brightness at zenith (with SQM-L) | 21.6 mag/arcsec^2 |
Notes | North at top. |
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