NGC 2020 is the blue nebula formed by a Wolf Rayet star.
I used some techniques I found useful on my recent Carina Dwarf Galaxy image (such as k-sigma stacking of images) that brought out much more detail than the original processing of this image.
LRGB image 120m L=R, 60m R ,60m G, 60m B BRC-250 ST-X10ME.
http://users.westconnect.com.au/~sjastro/ngc2014c.html
Clear skies
Steven
http://users.westconnect.com.au/~sjastro/small