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Gerhard Bachmayer | all galleries >> AstroPhotos >> Astrophotos 2003 - 2007 > M17 in Sagittarius
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M17 in Sagittarius

M17 in Sagittarius

M17 is a typical member of the class of emission nebulas. It strongly glows in the light of ionized hydrogen and oxygen. It's a craddle of newly born stars, the brightest of them - although hidden in the interior of the gas clouds - are the source of the radiation which causes the nebula's glow.
A bigger version can be seen at

QHY8/ALccd 6c
Vixen R200SSDG(8"/F4)+ Televue Paracorr. Ha,Hb+OIII: 12x300sec with Astronomik UHC-filter. Stacking,averaging, enhancing in AstroArt, PixInsight SE and Photoshop CS2 full exif

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Mike02-Apr-2008 20:15