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Whether it be owing to the greater Diligence of the Moderns, or that in reality no such thing has happen'd for many Ages past, I will not undertake to determine; but this is certain that, within the Space of the last 150 Years, more Discoveries have been made of Changes among the Fixt Starrs, than in all Antiquity before.

philosophical transactions of the royal society of london

I. A short history of the several new-stars that have appear'd within these 150 years; with an account of the return of that in collo cygni, and of its continuance observed this year 1715