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Messier 16 + 17 in Serpens

Astrophotography from Ursa Major Observatory @ ROSA

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deeplook.at
deeplook.at
2017-07-22
ATHOS Centro Astronómico / La Palma (900m)
Nikon AF-S Nikkor 105mm f/1.4E @ f/2.8
iOptron Sky Tracker
33x1min
33 min
Camera:
Nikon D810A (ISO 400)
Image acquisition by CEDIC team (Michael Hanl, Bernhard Hubl, Christoph Kaltseis, Markus Blauensteiner) Image processing by Michael Hanl
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Open cluster + emission nebula
35’
6.0 mag
Ser
7 000 Ly
The Eagle Nebula (Messier 16) is a conspicuous region of active star formation, situated in Serpens Cauda. The starforming nebula, a giant cloud of interstellar gas and has already created a considerable cluster of young stars. The cluster is also referred to as NGC 6611, the nebula as IC 4703.
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Emission nebula
11’
6.0 mag
Sgr
5 000 Ly
The Swan Nebula (Messier 17), also called the Omega Nebula is a region of star formation and shines by excited emission, caused by the higher energy radiation of young stars. Unlike in many other emission nebulae, however, these stars are not obvious in optical images, but hidden in the nebula.