How to find the Milky Way, Altair and Vega in summer?

In summer, the Milky Way is a dense band of stars, distributed in the northeast and southwest. Hegu II is the alpha star of Aquila, commonly known as "Altair". It is a very famous bright star in the sky in summer and autumn, and it is silvery white. It is 16.7 light years away from the earth, with a diameter of10.6 times that of the sun, a surface temperature of about 7000℃, and its luminous power is 8 times greater than that of the sun. It faces Vega across the Milky Way. According to an ancient legend, the Cowherd and the Weaver Girl met at the Magpie Bridge on July 7th. In fact, the Cowherd and the Weaver Girl are 14 light years apart. Even on the most powerful rocket in modern times, they never met after hundreds of years. The two dark stars on both sides of Altair are Altair's two sons-Heguyi and Heguyi. Legend has it that Cowherd and his two sons chased Weaver Girl on a pole.

Vega is a star located in the east of the Milky Way, facing Altair across the Milky Way, belonging to Lyra, about 27 light years away from the Earth. It is bluish white, the brightest star in this constellation, with a surface temperature as high as 10000℃. Vega I is a bright star in Lyra, and its scientific name is Lyra-α. It is one of the most famous bright stars in the summer night sky.