... 22.09.2005 . ... Credit Copyright: Stefan Seip Explanation: This remarkable telescopic image highlights the deep orange cast of a waning gibbous Moon seen very close to the eastern horizon earlier this week, on September 19. ... While the long sight-line through the atmosphere filters and reddens the moonlight, it also bends different colors of light through slightly different angles, producing noticeable red (bottom) and green (top) lunar rims. ... Publications with keywords: Moon - green flash . ...