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NGC 55

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NGC 55 is a wonderful galaxy, nearly edge-on, but from northern hemisphere skys it's always very low on the horizon. This image was captured with the galaxy only 5° above the horizon. The distance is about 8 l.y. from us.
 

Technical Data
Optics	Pentax 75 apochromatic refractor
Focal Lenght	500 mm
Focal Ratio	f/6,7
Exposure Time	20 min
Film	Kodak E200
Developement sensibility	320 ISO
Location	Capanne di Cosola (AL, on the Appennines, Italy) at 1500m
Date and time of exposure start	25 october 2003, 21.45 UT
Mount	Gemini G41
Tracking	ST4
Temperature and humidity	T=-4°C, RH=44%
Notes	-

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