Comet C/2011 L4 (PanSTARRS) after sunset - 200 mm - 15 March 2013

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The comet is setting above the far peaks of the western Alps in Piedmont. The lights below are from the cities of the province of Cuneo, in the Po valley.

Technical Data
Optics Vivitar 200 mm f/3.5 (stopped down to f/5.6
Focal Length
 200 mm
Focal Ratio f/5.6
Exposure Time 4 s (single exp)
CCD Canon EOS 5D, Baader modified - 1600 ISO
Location Capanne di Cosola (AL, Italian Apennines), at 1500 m height
Date
 15 March 2013, 18.30 UT
Mount Fixed tripod
Tracking -
Temperature and humidity T= -11 °C, RH=49%
Sky brightness at zenith (with SQM-L) Bright sky after sunset
Notes -

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