...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」
...The middle of these is Altair, a yellowish star of the first magnitude...
Cecil G. Dolmage 「Astronomy of To-day」
...Only α Centauri,Sirius, Procyon and Altair lie at a distance smaller than one siriometer...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...Half of his stars belonged to the first class,including Sirius, Vega, Regulus, Altair...
George Forbes 「History of Astronomy」
...—The little cluster of five stars forming Delphinus is to beseen about 10° northeast of Altair, and, though there are no brightstars in the group, it can hardly escape notice...
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」
...The star below Altair is βAquilæ, and is called Alschain; the one above is γAquilæ, named Tarazed...
Henry Warren 「Recreations in Astronomy」
...21 Altair...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...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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