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Bow River Spring Breakup 2011 by R Forrester

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About This Gigapan

Taken by
R Forrester R Forrester
Explore score
0.41 Gigapixels
Date added
Apr 12, 2011
Date taken
Apr 10, 2011

Ice covering the Bow River at Calgary broke up about a day before this Gigapan was shot. Still lots of ice along the riverbanks but the main channel is clear and water levels that rose when ice impeded water flow have fallen significantly. All as per usual for spring.

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Stitcher Notes


GigaPan Stitch version 1.0.0804 (Macintosh)
Panorama size: 411 megapixels (24144 x 17040 pixels)
Input images: 64 (8 columns by 8 rows)
Field of view: 60.8 degrees wide by 42.9 degrees high (top=4.8, bottom=-38.1)
Use larger blending region
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot G9
Image size: 4000x3000 (12.0 megapixels)
Capture time: 2011-04-10 19:17:27 - 2011-04-10 19:29:09
Aperture: f/6.3
Exposure time: 0.00125 - 0.0166667
ISO: 80
Focal length (35mm equiv.): 83.1 mm
Digital zoom: off
White balance: Automatic
Exposure mode: Manual
Horizontal overlap: 29.1 to 43.7 percent
Vertical overlap: 31.7 to 45.5 percent
Computer stats: 2048 MB RAM, 2 CPUs
Total time 18:54 (18 seconds per picture)
Alignment: 6:18, Projection: 3:20, Blending: 9:16
(Preview finished in 10:51)

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