Thanks Annette.
The green is glowing oxygen. But I'm not yet sure of the exact identity of the nebula. Similar to a description of green in the ghost nebula, the energy is provided by a solar wind emanating from nearby stars or very high temperature gas.
I'm sure someone can answer this a little better.
I am inclined to Raymo's suggestion to concentrate on chunks of the LMC. There is a myriad of interesting features - should make it a project.
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