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from Sagittarius to Ophiuchus: Emission and Dark nebulae
... or From Messier 8 - 20 (lagoon and trifid) and Barnard 72 (the snake)
that's a panorama composed of two stack, Sagittarius area (lagoon and trifid) taken last summer (2015) and the new shots of Ophiuchus taken last week, both from the same place with a very dark sky, Colle di Sampeyre, Italian Western Alps
tech specs of new shots: Canon EOS 600D full spectrum, about 1 hour of integration time with a Canon EF 100mm 2.8 @4.5 - 1600 iso
wiki:
en.wikipedia.org/wiki/Snake_Nebula
it.wikipedia.org/wiki/Nebulosa_Serpente
en.wikipedia.org/wiki/Barnard_Catalogue
from Sagittarius to Ophiuchus: Emission and Dark nebulae
... or From Messier 8 - 20 (lagoon and trifid) and Barnard 72 (the snake)
that's a panorama composed of two stack, Sagittarius area (lagoon and trifid) taken last summer (2015) and the new shots of Ophiuchus taken last week, both from the same place with a very dark sky, Colle di Sampeyre, Italian Western Alps
tech specs of new shots: Canon EOS 600D full spectrum, about 1 hour of integration time with a Canon EF 100mm 2.8 @4.5 - 1600 iso
wiki:
en.wikipedia.org/wiki/Snake_Nebula
it.wikipedia.org/wiki/Nebulosa_Serpente
en.wikipedia.org/wiki/Barnard_Catalogue