Your Complete Guide For Photographing Star Trails

Ever seen those pictures where the stars streak across the sky in a big arc? Or maybe the whole sky looked like it was spinning?

What you saw was star trails. The streaks were light left behind on the sensor or film from the star as it traveled across the sky in front of an open camera shutter. In fact, it only seems that way. What actually being recorded are stationary stars and the rotation of the earth that makes them spin.….more  The article tells you how, what you need, when, as the headline says a complete guide