Catalogue and alternative designations NGC 3372, Eta Carina nebula   Type Emission Nebula  Position  10 45.1, -59 52 Constellation Carina Camera and Telescope STL11000M and 31.75 cm Ritchey Chretien Focal Ratio F9 Exposure Details HaRGB 165:45:45:45 All 1x1 Description This huge emission nebula surrounding the unstable star Eta Carina (below centre) is easily visible to the naked eye.  Recent evidence indicates that Eta Carina will become a supernova in the very near future.  Eta Carina is at the heart of a strange little nebula called the Homunculus (little man) indications of which can be seen in this image.