The best time to see the constellation Aquila the Eagle in the evening sky is from July to November as it soars along the Milky Way. Aquila’s brightest star, Altair, is the southernmost corner star in the Summer Triangle. The stars of Aquila the EagleThe brightest star in Aquila is Alpha Aquilae, or Altair. For example, two globular clusters lie in Aquila: NGC 6749 and NGC 6760. Bottom line: Aquila the Eagle is home to the bright star Altair, which forms one corner of the Summer Triangle.