11880209 - Du Pont 2.5-metre telescope at Las Campanas,Chile11880235 - Du Pont 2.5-metre telescope at Las Campanas,Chile11880214 - View of Las Campanas observatory,Chile11880221 - Magellan 6.5-metre telescope,Las Campanas,Chile11880210 - Swope 1-metre telescope at Las Campanas,Chile11880229 - Light pollution warning sign at Las Campanas,Chile11880238 - Making the 6.5-metre mirror for Magellan telescope11886607 - Spiral galaxy NGC 300,composite image
