The Summer Triangle.
The Summer Triangle is an asterism, not a constellation. It's made of three bright stars in three different constellations.
1. Vega : Variable Star of Lyra Constellation.
2. Deneb : Evolved Supergiant Star of Cygnus Constellation.
3. Altair : Variable Star of Delta Scuti Type.

Equipment used : Samsung Galaxy M30s kept steady on Digitek DTR 550 LW Tripod.

Edited with : Adobe Photoshop CC 2018 (to cut off noise as much possible), Adobe Camera Raw Filter, Snapseed.