A phenomenon called earthshine occurs when sunlight reflected from the Earth’s surface is reflected back onto the moon’s night side, causing it to glow dimly. The bright region is illuminated by the Sun, while the rest of the moon is illuminated by sunlight reflected off the Earth. Image taken with a Sky-Watcher 100 ED 4 in f/9 refractor on a Kenko NES mount, Canon 450D DSLR prime focus at f/9, ISO 1600, 1-sec exposure, January 5, 2013, Basud, Camarines Norte. Photo Credit: Anthony Urbano
Earthshine captured through afocal imaging using a Canon PowerShot S3IS digital camera at 1 second exposure, ISO 400, on October 30, 2011 using a 4 in f/9 refractor with a 25 mm eyepiece. Photo Credit: Anthony Urbano
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© Anthony Urbano (Manila, Philippines)