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Devil's Racecourse by Robin Rohrback

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About This Gigapan

Taken by
Robin Rohrback Robin Rohrback
Explore score
1.70 Gigapixels
Date added
Dec 01, 2012
Date taken
Dec 01, 2012

Devil's Racecourse in Ft. Ritchie, MD is a 700-meter-long blockfield created when the area experienced a periglacial climate during the Pleistocene. It is thought that boulders of Weverton quartzite from South Mountain on the west and Catoctin metabasalt from the east weathered out of their respective mountains and were gradually transported and deposited here by gelifluction. In non-dry periods, visitors to Devil's Racecourse can hear a stream running beneath the blockfield, and can even see it if they peer down the right holes.

View is to the west.

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Stitcher Notes


GigaPan Stitch.Efx version 2.1.0161 (Windows)
Panorama size: 1702 megapixels (106476 x 15992 pixels)
Input images: 580 (58 columns by 10 rows)
Field of view: 114.6 degrees wide by 17.2 degrees high (top=-12.4, bottom=-29.6)
Vignette correction on: c1=-0.00422 c2=-0.0388
All default settings
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot SX260 HS
Image size: 4000x3000 (12.0 megapixels)
Capture time: 2012-12-01 12:22:22 - 2012-12-01 13:00:46
Aperture: f/6.8
Exposure time: 0.001 - 0.01
ISO: 100 - 800
Focal length (35mm equiv.): 502.6 mm
Digital zoom: off
White balance: Automatic
Exposure mode: Automatic
Horizontal overlap: 49.1 to 62.4 percent
Vertical overlap: 45.7 to 63.2 percent
Computer stats: 3996.82 MB RAM, 2 CPUs
Total time 2:22:03 (15 seconds per picture)
Alignment: 1:11:26, Projection: 17:13, Blending: 53:24
(Preview finished in 1:40:28)

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