...A systemcombining magnitudes with constellations was introduced by Bayer in1603, and is still adhered to...
Cecil G. Dolmage 「Astronomy of To-day」
...Whether this fact is to be regarded as indicating thatCastor was brighter than Pollux in 1603, when Bayer attachedtheir Greek letters, is still an unsettled question...
Garrett Serviss 「Pleasures of the telescope」
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