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Portland Heliport by Sam Churchill

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About This Gigapan

Taken by
Sam Churchill Sam Churchill
Explore score
0.05 Gigapixels
Date added
Sep 14, 2008
Date taken
Sep 13, 2008

Canon Powershot G-7, A570, S-5


Heliport in Portland's Old Town. I took this because of the NOTAR helicopter.

NOTAR means no tail rotor. It uses a ducted fan rather than tail rotor blades. Some 60% of helicopter noise is produced by the interaction of the tip vortices of the main and tail rotor. Used by police for patroling. en.wikipedia.org/wiki/NOTAR Will open in a new tab or window

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Stitcher Notes


GigaPan Stitcher version 0.4.2735 (Windows)
Panorama size: 49 megapixels (13215 x 3745 pixels)
Input images: 14 (7 columns by 2 rows)
Field of view: 63.2 degrees wide by 17.9 degrees high (top=6.7, bottom=-11.2)
All default settings
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot A570 IS
Image size: 3072x2304 (7.1 megapixels)
Aperture: f/8
Exposure time: 0.00625
ISO: 80
Focal length (35mm equiv.): 140.4 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Manual
Has subsecond timestamp: no
Horizontal overlap: 44.5 to 45.9 percent
Vertical overlap: 39.3 to 39.4 percent
Computer stats: 1471.36 MB RAM, 1 CPUs
Total time 8:43 (0:37 per picture)
Alignment: 0:59, Projection: 1:20, Blending: 6:24

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