NGC 4565 is an edge-on spiral galaxy located in the Coma Berenices constellation about 30 to 50 million light-years away. It is known as the "Needle Galaxy" because of its narrow profil...
The Giant Squid Nebula, Ou4 and the Flying Bat Nebula, Sh2-129.
Seemingly completely surrounded by the reddish hydrogen emission region SH2-129, the true distance and nature of the S...