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Epsilon Lyrae is the famous Double Double star, consisting of two close pairs. The separation for each pair is only about 2 arcseconds, so fairly high magnification is needed to resolve them. This star system is about 162 light years from Earth. The carbon star T Lyrae is a very red star that is well worth tracking down. It is about 2300 light years away, and more than 200 times as luminous as our Sun. |
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Evening visibility: | June-November | ||
Best viewed with: | telescope | ||
Printable chart (pdf) | View larger image | ||
Directions: Start by finding the Summer Triangle, which consists of the three of the brightest stars in the sky--Vega, Deneb, and Altair. The Summer Triangle is high overhead throughout the summer, and it sinks lower in the west as fall progresses. For this star hop, start from brilliant blue-white Vega (magnitude 0), the brightest of the three stars of the Summer Triangle. |
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The constellation Lyra has a distinctive shape consisting of a small triangle (including Vega) connected to a parallelogram. Find the small triangle that includes Vega, Zeta (ζ) and Epsilon. Aim at Epsilon, and start with a low power eyepiece to find the two bright pairs. Then switch to high power (at least 100x) to resolve the two close pairs. To find the red star T Lyrae, visualize a similar triange with Vega and ζ going in the opposite direction, as shown below. Aim there and use a low power eyepiece to look the the very red star. |
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Star charts created with Cartes du Ciel | |||