Earthshine and Jupiter

February 05, 2006

Earthshine2 copy

Provided and copyright by: Alan Tough, SIGMA - Moray's Astronomy Club
Summary authors & editors: Alan Tough

It was certainly worthwhile stepping outside on a cold and frosty winter’s morning to witness the majestic sight of the waning Lunar crescent, rising in the south-east with Jupiter about 6 degrees above it (upper right). The ghostly image of the full Moon is caused by earthshine - when the Earth’s clouds and snow cover reflect sunlight back onto the night part of the Moon. This phenomenon is best seen before sunrise or after sunset, when the Moon is within a few days of new.

This photo was captured at 07:34 UT on 27 December 2005 with a tripod-mounted Canon EOS 300D digital camera and zoom lens set to 75 mm. Exposure was 4 Sec @ f/4.5, ISO-200.

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