Which constellation are Altair and Vega in?

Vega is a star in the east of the Milky Way, facing Altair across the Milky Way. It belongs to Lyra and is one of the three brightest stars in the northern hemisphere. Next to Vega, four stars form a small diamond.

Far away from Vega is He Gu Er, a first-class bright star on the east bank of the Milky Way, whose scientific name is Aquila-α, commonly known as Altair. Like Vega, it is a very famous bright star in the summer night sky. In the summer sky, three bright stars, Altair, Vega and Tianjin IV, Cygnus-α, form an eye-catching triangle, which is called "Summer Triangle". Altair is located at the southern end of the triangle.

According to these, we can easily find them,

Good luck!