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Wednesday, September 27, 2006

Star Trails over an X-Ray dome

After taking a long break, here's a shot I got last week of the Schmidt dome using the simplest technique of astrophotography. Set the camera on a tripod, point it at something interesting and open the shutter. When I started this exposure, Orion was rising in the east (Seen to the upper right) and Sirius, the brightest star in our sky, is seen as the bright line at lower right. As the dome rotated, the open shutter was positioned at times so the camera could "look in", giving that slightly X-ray appearance.
Canon 20D - 59 minutes, 20mm @ f/4.5, ISO 400


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