A star-studded Rosette nebula brings gorgeous color to the cosmos

A gaseous section of space with reddish hues on the outeide, which lead to yellowish ones within, which leads to a blue core.


The Rosette Nebula blossoms in deep space, captured in this wonderful image taken by the high-resolution Dark Energy Camera, illustrating how hot, bright stars at the heart of the Rosette are energizing the molecular gas around them.

The Rosette Nebula is a welcome sight for astrophotographers as it rises into the northern hemisphere’s winter sky in the constellation of Monoceros, the Unicorn, just to the southeast of Orion and boxed inside the Winter Triangle made from the stars Sirius, Procyon and Betelgeuse. Located about 5,000 light-years away, the Rosette Nebula is ephemeral when viewed through the telescope eyepiece, a ghostly ring on the very edge of detectability because of its low-surface brightness. However, it really struts its stuff when imaged in long exposures, none more so than here, in this view captured by the Dark Energy Camera (DECam) mounted on the four-meter Victor M. Blanco Telescope at the Cerro Tololo Inter-American Observatory in Chile.



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