Twilight from Mount Penteli, Greece

March 15, 2021


Photographer: Konstantinos Christodoulopoulos 
Summary Author: Konstantinos Christodoulopoulos; Jim Foster

Shown above is the captivating twilight sky I observed several weeks ago from Mount Penteli in the Attica region of Greece. Its summit, known as Pyrgari, has an elevation of 3,638 ft (1,109 m). These rich, marigold colors occurred during the transition from civil to nautical twilight. When the Sun’s below the horizon, the indigo and blue colors are scattered from view by the increased path-length of sunlight, but the longer wavelength colors (yellows, oranges and reds) remain until nightfall. Photo taken on December 25, 2020.

Photo Details: Canon EF camera; 24 mm; f/3.5; USM lens; 2-second exposure; ISO 200; Digipod A 2541P Tripod; Manfrotto 496 RC2 Ball Head.