The Cygnus Riftcygnusrift

Dust Clouds in The Milky Way
Part of The Great Rift, or Dark Rift

The telescope went away as it clouded over but an hour or so later the sky was clear and sharp
At midnight The Milky Way was relevantly clear and nearly vertical
The Great Rift, a series of dust clouds which run through The Milky Way, was clearly visible, especially in Cygnus where the Cygnus Rift cuts down between Deneb, a Cyg, 50 Cyg, HIP 102098 and Sadr, y Cyg, 37 Cyg, HIP 100453 and then along through The Milky Way towards Vulpecular, where the rift widens out