Earth Science Image of the day

Brocken Spectre and Glory from the Agrada Mountains of Greece - December 13, 2019

  (Click On Image To Enlarge)


Photographer: Angelidis Konstantinos
Summary Authors: Angelidis Konstantinos; Jim Foster

Featured above are a glory (colorful rings) and Brocken spectre (my shadow) that I observed during a solo hike in the Agrafa Mountains of Greece. This photo was snapped at approximately 5,900 ft (about 1,800 m) altitude. These phenomena are mostly reported in mountainous areas and result when sunlight is deflected (diffraction process) by tiny cloud droplets. Unlike coronas, in order to see the glory and Brocken spectre, you must be looking in the direction opposite of the Sun’s position. Photo taken on November 17, 2019.

Photo Details: Camera: NIKON D3200; Software: Adobe Photoshop CC 2015 (Windows); Exposure Time: 0.0040s (1/250); Aperture: ƒ/8.0; ISO equivalent: 100; Focal Length (35mm): 51; Lens: 18.0-55.0 mm f/3.5-5.6.

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