Saturday, May 31, 2014

Red and black nebulas in Cygnus

Image 1: LBN159 SH2-99 NGC6857 in Cygnus

LBN159 is a dark nebula towards the "Orion Spur" of our galaxy. Dark nebulas are huge amount of dust obstructing the light of the background stars. 

Image 2: Digital zoom on both emission nebulas SH2-99 and NGC6857

NGC6857 (up) is a tiny emission nebula having a brightness of  11.4m and an apparent size of 0,6". The second nebula SH2-99 is apparently located under it.

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