http://www.esa.int/esaCP/SEM7A87H07F_Expanding_0.html

The gigantic nebula NGC 3603 hosts one of the most prominent, massive, young clusters in the Milky Way. Hubble has been observing this prime location for star formation studies.

NGC 3603 is located in the Carina spiral arm of the Milky Way, about <nobr>20 000</nobr> light-years from the Solar System.

Images from the NASA/ESA Hubble Space Telescope show a young star cluster surrounded by a vast region of dust and gas. Most of the bright stars in the image are hot, blue stars. They produce ultraviolet radiation and violent winds that have formed an enormous cavity in the gas and dust surrounding the cluster...

http://blogs.nature.com/news/thegreatbeyond/2007/10/pretty_pictures_from_hubble.html  

http://www.futura-sciences.com/fr/sinformer/actualites/news/t/astronomie/d/en-video-hubble-et-les-etoiles-anormales-de-lamas-ngc-3603_13128/