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Night is the period of time between the sunset and the sunrise when the Sun is below the horizon. This occurs after dusk. The start and end times of a night vary based on factors such as season, latitude, longitude and timezone. Night is also the period when astrophotography can take place, recording images of astronomical objects and large areas of the night sky.
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How do the stars in this photo appear without star trails even at a long shutter speed?
I found an image of the night sky taken by James Sainty at http://500px.com/photo/11615131. … It has the following EXIF metadata:
Camera Canon 5D Mk II
Lens Canon 16-35mm L
Focal Length 16mm
Shutter Speed 140 sec
Aperture f/4
ISO/Film 1600
As I know there is a rule of "600" and night sky photographing …