Stephen James O'Meara's Secret Sky: The "Red Region"
September 2010:Fall is the season of warm red hues, both on Earth and among the stars.
Contributed by Stephen James O'Meara
Published:
July 26, 2010
 Use this star chart to find the variable stars R and T Lyrae, which lie about 6° northeast and 2° southwest of Vega (Alpha [a] Lyrae), respectively. R varies in brightness from magnitude 4 to 5 and back every 46 days. T Lyrae varies irregularly in brightness, from magnitude 7.5 to 9.3.
Photo by Astronomy: Roen Kelly |
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