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Hi, Andy!
The dark nebulosity is beautifully and intriguingly captured. Well done!
The presence of H-alpha but the absence of OIII and SII indicates that this is a young region (not many left!), without very hard ionization (hence no obvious OIII, and no OB stars nearby), and without much in the way of dredged-up multiply processed star-guts (no supernovas), so not much SII.
It is also obviously quite faint, still gritty after a whopping 14 hours, so either not very thick material, or very low ionizing flux.
So a nice quiet place to bring up a family.
Later, in a million years perhaps, big hot baby stars should come bursting out screaming from all that dust, demanding the car keys, and practicing burn-outs on the corner.
Best,
MnT
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