Orion trails

The Orion costellation is rising from the horizon of Nivolet. M42 nebula is visible as a pink trail. The "Orion's caput" nebula, a lot bigger, is above Betelgeuse.
 

Technical Data
Optics Photographical objective
Focal Lenght 50 mm
Focal Ratio f/5.6
Exposure Time 40min exposure
Film Kodak E200
Developement sensibility 320 ISO
Location Colle del Nivolet (AO, in the Italian Alps) at 2600m
Date and time of exposure start 19 september 2004, 1.30 UT
Mount Fixed tripod
Tracking -
Temperature and humidity T=+3°C, RH=60%
Notes -


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