Ursa Major & DSS Photo of the Horse & Rider, Alcor & Mizar.
Find Capricornus & DSS Photo of Alpha Capricorni, double star Dabih.
A set of 10 Reference Line Maps, charts and DSS photos of M40, (a pair of stars) and nearby objects. M40 itself is not an NGC object. Zone A and Zone B maps show star pairs in the vicinity of M40, but neither match Messier’s description as well as …