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Technical Data
Optics Newton 200 mm (homemade by L. Comolli, F. Riccio e P. Battaglia)
Focal Lenght 1260 mm
Focal Ratio f/6
Corrector Baader MPCC
Exposure Time 3h (single exp of 10 min)
CCD Canon EOS 5D with baader filter
Location Capanne di Cosola (PC, Italian Appennines) at 1500 m height
13-14 Mar 2010
Mount Gemini G-41
Tracking ST4 on a 80mm f/5 refractor with barlow 2x
Temperature and humidity T= - 3°C, RH=60%
Sky brightness at zenith (with SQM-L) 21.5 mag/arcsec^2
Notes Very good seeing and small stars.

HTML Editing and Publishing by Lorenzo Comolli. Email me at comolli@libero.it.
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