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Sears Tower (Willis Tower) The Ledge by Christopher Davis

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About This Gigapan

Taken by
Christopher Davis Christopher Davis
Explore score
6.49 Gigapixels
Date added
Mar 23, 2010
Date taken
Oct 19, 2009

Gigapan taken from "The Ledge" of the Willis Tower (formerly The Sears Tower). The glass-bottom skydeck is located on the 103rd floor of he skyscraper. There are 4 glass cantilevered boxes all facing west. The glass ledge protrudes 4.3 feet out of the skyscraper, suspending the viewer at a breath-taking height of 1,353 feet above South Wacker Drive. This panorama was taken in the early morning with the rising sun on the other side of the building casting its massive shadow into the photo. To the left (south is the Dan Ryan expressway (I-90/94) that trails from left to right of the photo, the right (north) side of which becomes the Kennedy expressway. The Stevenson Expressway (I-55) can also be seen to the left. Near the center of the photo is the Eisenhower (I-290) and the center bottom of the photo shows the "Circle" interchange where most of the expressways converge. To the far right corner of the picture isLake Michigan.

Gigapan Comments (1)

Toggle Minimize gigapan_comment
  1. Illah Nourbakhsh

    Illah Nourbakhsh (March 23, 2010, 09:52AM )

    This is outstanding; well done!

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Stitcher Notes


GigaPan Stitcher version 0.4.3865 (Macintosh)
Panorama size: 6485 megapixels (121228 x 53496 pixels)
Input images: 1581 (51 columns by 31 rows)
Field of view: 205.7 degrees wide by 90.8 degrees high (top=45.2, bottom=-45.5)
All default settings
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot SX110 IS
Image size: 3456x2592 (9.0 megapixels)
Capture time: 2009-10-19 07:16:34 - 2009-10-19 09:30:22
Aperture: f/8
Exposure time: 0.008 - 0.166667
ISO: 80
Focal length (35mm equiv.): 357.6 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Manual
Horizontal overlap: 30.6 to 57.1 percent
Vertical overlap: 25.6 to 51.2 percent
Computer stats: 2048 MB RAM, 2 CPUs
Total time 29:19:08 (1:06 per picture)
Alignment: 8:19:07, Projection: 2:25:33, Blending: 18:34:27

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