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Summer Triangle Corner: Deneb
This article describes the Cygnus constellation and its observable features, such as the stars Deneb and Albireo. It also covers deeper celestial objects including the Veil Nebula and the black hole Cygnus X-1.
Why it matters
The text provides a guide for people in the Northern Hemisphere to identify and observe astronomical features during the summer using tools ranging from naked eyes to telescopes.
The details
- The Veil Nebula is a supernova remnant located above Cygnus's eastern wing.
- Cygnus X-1 is a black hole with a mass of about 20 Suns.
- Albireo appears as a visual double star when viewed through a telescope.
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Aug 15, 2026•16d ago
•Skywatching GuideNASA Highlights Cygnus, Deneb, and Black Hole Cygnus X-1 in Summer Skywatching Guide
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