The region around Deneb in the constellation Cygnus is a spectacular part of the night sky, rich with emission nebulae, dark clouds, and star-forming regions. Below is a summary of the listed objects and their surroundings:

Sh2-112 is a beautiful compact emission nebula  located about 1.5° east-northeast of Deneb which appears as a bright, compact nebula with intricate filamentary structures, energized by nearby young, hot stars.  

Sh2-115  is another beautiful emission nebula located about 3.5° northeast of Deneb which appears as a larger, fainter nebula than Sh2-112.  With diffuse edges and complex structures. this nebula lies close to the dark nebulae and is part of the broader emission features stretching through Cygnus.

LBN310, LBN315, LBN 325 & LBN 326  are reflection nebulae from the Lynds Bright Nebula catalog), both are positioned near Deneb and are part of the dense, reflective cloud complexes in Cygnus. Fainter than emission nebulae, these objects reflect the light of nearby stars rather than emitting their own and are intertwined with dark nebulae, adding to the beauty and complexity of the region’s interstellar medium.

LBN 317 is an emission nebula  also situated in the Cygnus region, likely near active star-forming areas.  It's light appears as a faint glow produced by ionized gas excited by nearby hot stars, blending with the broader Cygnus emission fields.  

Deneb (Alpha Cygni) is a brilliant blue-white supergiant star shining at magnitude -1.25 (among the brightest stars visible).  It lies approxiamtely 2,600 light-years from Earth and palys a key role as an ionizing source for many nebulae in this region, including the North America Nebula (NGC 7000) and Pelican Nebula (IC 5070).  

This part of Cygnus is one of the richest regions of the Milky Way for both amateur and professional astronomy. The interplay of bright emission nebulae, faint reflection nebulae, and silhouetted dark nebulae creates a stunning and complex celestial tapestry. The high concentration of young, hot stars makes it a hotspot for star formation and interstellar dynamics.