Gamma Cygni Nebulas
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The Cygnus is a constellation rich in nebulas, the more famous are the North America and the Veil. But also the region around Gamma Cygni (called also Sadr, at the center of the image) is very interesting for it's complexity.
 
Technical Data
Optics Pentax 75 apochromatic refractor
Focal Lenght 500 mm
Focal Ratio f/6,7
Exposure Time 45 min exposure
Film Kodak E200
Developement sensibility 320 ISO
Location Colle del Nivolet (AO, on the Apls, Italy) at 2600m
Date and time of exposure start 4 october 2002, 21.11 UT
Mount Gemini G41
Tracking ST4
Temperature and humidity T=0°C, RH=98%
Notes -

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