NGC 3576- Statue of Liberty Nebula

NGC 3576 is a nebula in the constellation Carina.

It is visible to the telescope as an extensive, diffuse, irregular-looking nebulosity located 2.5 degrees southeast of the bright Carina Nebula. It shows itself well in long-exposure photos, taken through a medium-power amateur telescope. It appears as a collection of very small and bright nebulae grouped on a very nebulous background; the various nebulous clusters also have independent catalogue numbers: NGC 3579, NGC 3581, NGC 3582, NGC 3584 and NGC 3586.

This cloud is located 2700 parsecs (8800 light-years) away and is located on the Arc della Carina, in the Sagittarius Arm; it has an unusual structure, with a nucleus formed by a large number of clusters bearing various acronyms NGC and a vast system of arcs and filaments that extends in the northern part, which suggests the presence of intense internal dynamics. The ionization of its gases is given by a large number of stars scattered within it or located in the peripheral regions, and none of them is particularly bright to be considered as the "main" source of ionizing radiation. According to some studies, inside there would be a very young star cluster deeply immersed in gas, to which are added almost twenty sources of infrared radiation, including one identified by IRAS (IRAS 11097-6102) and others indicated with the acronym IRS and a growing number. Other clues to the presence of star formation activity are given by the numerous sources identified in radio waves and especially in microwaves, among which two methanol masers and one water maser stand out. According to some studies, star formation processes began in a region outside this cloud and only later propagated there