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Duluth Minnesota Aerial Lift Bridge by Robert Rydeen

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About This Gigapan

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Taken by
Robert Rydeen Robert Rydeen
Explore score
1
Size
0.15 Gigapixels
Views
1372
Date added
Jul 07, 2010
Date taken
Jul 06, 2010
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Description

The bridge spans a small canal which was put through the thin but long sand bar named Minnesota Point in 1870–71. In 1905 a suspended gondola with a capacity of 350 people plus wagons, streetcars, or automobiles made the trip across the canal taking about one minute and ran every five minutes during busy times of the day. In 1929 remodeling removed the gondola and incorporated a lifting platform into the structure. The new bridge first lifted for a vessel on March 29, 1930.
The bridge can be raised to its full height in about 3 minutes, and goes up 25 to 30 times daily during busy parts of the shipping season. The span is about 390 feet. As ships pass, there is a customary horn-blowing sequence which is copied back. (From Wikipedia)


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Stitcher Notes

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GigaPan Stitch version 1.0.0804 (Macintosh)
Panorama size: 147 megapixels (16580 x 8916 pixels)
Input images: 35 (7 columns by 5 rows)
Field of view: 4.3 degrees wide by 2.3 degrees high (top=1.9, bottom=-0.4)
Settings:
All default settings
Original image properties:
Camera make: Panasonic
Camera model: DMC-FZ35
Image size: 4000x3000 (12.0 megapixels)
Capture time: 2010-07-06 05:04:52 - 2010-07-06 05:07:08
Aperture: f/8
Exposure time: 0.0025
ISO: 80
Focal length (35mm equiv.): 486.0 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Automatic
Horizontal overlap: 46.3 to 48.5 percent
Vertical overlap: 45.4 to 62.4 percent
Computer stats: 8192 MB RAM, 2 CPUs
Total time 19:59 (34 seconds per picture)
Alignment: 7:32, Projection: 1:23, Blending: 11:05
(Preview finished in 12:36)

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