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IMG_1720combined.jpg
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strangeghost


Photograph Information Photographer's Comments
Camera: Canon EOS-30D
Lens: Tokina AF 12-24mm f/4.0 AT-X Pro DX
Location: Outer Island, Apostle Island National Lakeshore
Date: Jun 25, 2009
Aperture: f/5
ISO: 800
Shutter: 4 minutes
Galleries: Astrophotography
Date Uploaded: Jul 3, 2009

Viewed: 612
Comments: 1
Favorites: 2 (view)

 Our main shot from Wednesday, the second clear night of our five night stay on the island. This shot is the result of two shots: the first with tracking turned on, so the camera (mounted on a telescope) cancels the earth's rotation, allowing the milky way to be captured in sharp detail. The second shot is made with the drive turned off, so the terrestrial features are captured sharply. The two photos are then combined in Photoshop.

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AuthorThread
Canon EOS-40D
Canon EF-S 18-55mm f/3.5-5.6 USM
 07/03/2009 06:31:35 PM
beautiful! I was going to ask how you left the shutter open for 4 minutes and had no motion, but n/m, good explanation :)
  Photographer found comment helpful.
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