NGC 7822, also known as Sh2-171 is a vast emission region in the constellation Cepheus. A powerful region for new stars formation, which strong radiation ionizes the surrounding gas causing it to glow.
Image is a two-panels mosaic narrowband SHO palette with RGB stars, 30hrs total integration time (15hrs/panel)
High resolution here
Caprile Astronomical Observatory, Astrophotography, located in Tuscany (Italy) countryside. A photographic journey across the marvels of the universe | Galaxy | Nebulae | Deep Sky Objects
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