Perseus 7 – Three Worlds Nebula16 Nov 2018
A blue & purple planetary nebula, located in the Sagittarius Arm near the Eta Carina nebula, with a Neutron star, class M star, a couple of Gas Giants and many terrestrial planets. Among the terrestrials you can find a Water World, an Earth-Like World and an Ammonia World. The discoverer claims that majestic structures can be seen on the surface of these planets, some floating on water and even in the air. Thus, he named it the Three Worlds Nebula.