Celestial hemisphere:  Southern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2170  ·  NGC 2182  ·  NGC 2183  ·  NGC 2185
NGC 2170, the Angel Nebula, emmanuel_valin
NGC 2170, the Angel Nebula
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NGC 2170, the Angel Nebula

NGC 2170, the Angel Nebula, emmanuel_valin
NGC 2170, the Angel Nebula
Powered byPixInsight

NGC 2170, the Angel Nebula

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Description

It's a pleasure to share with you an image of this incredibly colorful area of ​​the southern sky, taken in collaboration with @Majungai78  of the SADR Chile association.
Taken remotely from the Bortle 2 skies of northern Chile, about 8 hours of total integration time in LRGB with a 127mm refractor and a QSI 583 camera, on an EQ8 mount.

NGC 2170 is a dusty reflection nebula and stellar nursery that formed about 8 million years ago, located at the edge of the giant star-forming molecular cloud Monoceros R2, some 2,700 light-years away in the constellation of Monoceros. In fact, NGC 2170 is just the white-blue nebula center left, while this region of more than 15 light-years across, displays a mix of nebula types. The bluish areas are reflection nebulae, so-named because they reflect the light of nearby hot stars. The red areas are emission nebulae, and shine because ultraviolet light from nearby stars excites hydrogen and other gas atoms in the nebula, which then emit light of their own in specific colors. What looks a bit like black ink spilled across the image are dark absorption nebulae, and are only seen because of the light that they block. Finally at the right side of the picture are NGC 2183 and NGC 2185, two reflection nebulas embedded in the brownish molecular clouds. (credits go to @Bart Delsaert  for this great description!)

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NGC 2170, the Angel Nebula, emmanuel_valin

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