Discovered by Charles Messier in 1764
M26, also cataloged NGC 6694, is an open cluster approximately 5160 light-years distance located in the constellation Scutum. The cluster is estimated to be about 90 million years in age. This is relatively young for an astronomical object. Many of the member stars are young, hot, blue stars that are relatively tightly packed. The cluster spans a radius of about 22 light years.