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hi, a long time ago whilst at college I took a photo of the orbit( or part of ) a planet. Answered

This involved pointing camera at a planet and taking a photo but leaving shutter open for many hours. Could anybody please remind me how to do it, and any settings required, also can it be done with a digital camera? many thanks for helping me with my sons homework. barry


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Laser_PewPew (author)2009-02-17

You have to adjust the aperture setting so F15 would be 15 seconds for example, aperture controls the amount of light that reaches a digital camera sensor.

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