M40 is notorious as the most underwhelming of all the Messier objects, being no more than a pair of randomly aligned stars of similar magnitude that Messier found near the location where Helvelius had mistakenly reported a nebula.
M40 is notorious as the most underwhelming of all the Messier objects, being no more than a pair of randomly aligned stars of similar magnitude that Messier found near the location where Helvelius had mistakenly reported a nebula.