...Half of his stars belonged to the first class,including Sirius, Vega, Regulus, Altair... 
George Forbes 「History of Astronomy」
...It forms a triangle withVega and Altair in Aquila—Altair being at the apex, about 35° fromDeneb and Vega...
William Tyler Olcott 「A Field Book of the Stars」
...A triangle is formed by Vega, Altair, and Ras Alhague, in theSerpent Bearer, which is about 30° west of Altair...
William Tyler Olcott 「A Field Book of the Stars」
...In 389 a wonderful temporary star flashed out near Altair thatequalled Venus in brightness and vanished within three weeks' time...
William Tyler Olcott 「A Field Book of the Stars」
...—A line drawn from Deneb, in Cygnus, to Altair, in Aquila,and prolonged an equal distance, terminates in Sagittarius about 10°east of its distinguishing characteristic, the Milk Dipper...
William Tyler Olcott 「A Field Book of the Stars」
...When it is at4 it is at eastern elongation,and Altair is near the meridian...
George C. Comstock 「A Text-Book of Astronomy」
...Compare with this region, richin stars, the nearly empty space between the branches ofthe galaxy a little west of Altair...
George C. Comstock 「A Text-Book of Astronomy」
...The star below Altair is βAquilæ, and is called Alschain; the one above is γAquilæ, named Tarazed...
Henry Warren 「Recreations in Astronomy」
...By observations of thebright stars Vega and Altair, I found my latitude was 24° 52´15´´; the night was excessively cold, and by daylight nextmorning the thermometer had fallen to 18°...
Ernest Giles 「Australia Twice Traversed, The Romance of Exploration」
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