... Iapetus, Saturn's third largest moon, is a candidate for the strangest moon of Saturn. ... NGC 7129 and NGC 7142 . ... This alluring telescopic image looks toward the constellation Cepheus and an intriguing visual pairing of dusty reflection nebula NGC 7129 (left) and open star cluster NGC 7142. The two appear separated by only half a degree on the sky, but they actually lie at quite different distances. ... The Moon was up continuously for 14 days in August -- when viewed from the South Pole. ...