night sky with milky way near scutum constellation, purple omega, eagle and triffid nebula visible. long exposure stacked photo

stars night sky astrophotography nebula omega eagle scutum dark abstract astronomy atmosphere background backgrounds black bright cluster constellation cosmic cosmos deep galaxy glowing infinity landscape light messier milky mystery nature nebulae outdoors outer polis sagittarius science shiny space sparkle star starlight starry stellar trifid universe purple triffid visible long exposure stacked