NGC3372 - CARINA NEBULA

The Carina Nebula is one of the largest and most luminous star-forming regions in the Milky Way, located in the southern constellation Carina at a distance of approximately 7,500 light-years from Earth. Spanning over 300 light-years across, it dwarfs the more famous Orion Nebula by a factor of seven and contains some of the most massive and luminous stars known in our galaxy. The nebula's most famous resident is Eta Carinae, a hypergiant binary system with a combined mass of over 100 solar masses and a luminosity roughly 5 million times that of the Sun. Eta Carinae underwent the Great Eruption in the 1840s, briefly becoming the second-brightest star in the sky and ejecting the spectacular bipolar Homunculus Nebula that now surrounds it. The Carina Nebula contains numerous other stellar treasures, including the open clusters Trumpler 14, Trumpler 15, and Trumpler 16, which collectively harbor dozens of O-type stars and several additional Wolf-Rayet stars. The combined radiation and wind output from these stellar powerhouses has sculpted the nebula into a spectacular landscape of bright ridges, dark pillars, and dramatic dust lanes. One of the most iconic structures within the nebula is the Mystic Mountain, a towering pillar of gas and dust roughly 3 light-years tall that was famously photographed by the Hubble Space Telescope. The Carina Nebula was also one of the first targets of the James Webb Space Telescope, whose infrared images in 2022 revealed hundreds of previously hidden protostars and jets within the nebula's Cosmic Cliffs region. Visible to the naked eye as a bright, diffuse patch in the southern Milky Way, the Carina Nebula is one of the premier deep sky objects for southern observers and has no true rival in the Northern Hemisphere.

Spanning over 300 light-years across at 7,500 light-years distance, the nebula contains at least 65 O-type stars and has a total mass estimated at over 900,000 solar masses.