Astronomers measure a star’s brightness using the apparent magnitude system, where lower values indicate brighter stars.

The other stars in the constellation of Cygnus are extensions ... Another way to find Cygnus is to look for an asterism called the Summer Triangle. This is a group of three quite bright stars ...

Adhara, also known as Epsilon Canis Majoris, is a striking star in the constellation Canis Major ... then look just below to see a distinct triangle of bright stars. Adhara is visible in the ...

The Winter Triangle is formed by three bright stars: Sirius ... in the Northern Hemisphere during summer nights, and is made up of Vega in the constellation Lyra, Deneb in the constellation ...

Look above Venus for the bright star Vega in the constellation Lyra ... by forming a second “Summer Triangle.” Since Venus will sink soon after sunset — or you may have horizon clouds ...