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To determine the degrees of an arc in a star trail, you first need to know the total time the camera was exposed during the star trail Photography. The Earth rotates 360 degrees in approximately 24 hours, which means it rotates about 15 degrees per hour. By dividing the total exposure time in hours by 24 and multiplying by 360, you can calculate the degrees of the arc. For example, if you exposed for 2 hours, the arc would be (2/24) * 360 = 30 degrees.

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2d ago

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