m39

M39 / NGC 7092

M 39 is a very large, but also very loose open cluster, is found in approximately 9 degrees east and a little north of Deneb (Alpha Cygni). He is only 800 light years away from us, and middle-aged (It is valued at 230 to 300 million years). 30 stars are shown to this pile that occupies a volume of some 7 light years in diameter. These clusters can be best observed with the lowest magnification.