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I. A fhort Hiflory of the federal New- Scars that have 
appear'd within thefe t 50 Years • with an Account 
of the Return of that in Collo Cygni, and of its 
Continuance ohferVed this Tear 1715. 
W Hether it be owing to thegreater Diligence of the 
Moderns, or that in reality no fuch thing has 
happen’d for many Ages pad, I will not undertake to de- 
termine ; but this is certain that, within the Space of the 
lad 150 Years, more Difcoveries have been made of 
Changes among the Fixt Starrs, than in all Antiquity 
before. And tho’ it be laid that Hipparchus, on occafion 
of a New Star that appeared in his T ime, was induced 
to number the Stars, and make the fird Catalogue of 
them, which was, in the Opinion of Pliny , Res vel Deo 
mproha ; yet neither he or any of the Ancients have left 
us the Place of that New Star, to compare with thofe 
lately feen, one of which might perhaps be the fame 
with it, re- appearing after a long Period of Years Now 
though feveral Authors have feverally defcribed thofe 
that have been feen nearer to our Times, it may not 
perhaps be amifs here to give a fhort Recapitulation of 
what was principally remarkable in each of them, with 
the Times of their fird Appearance, as far as can be col- 
lected. 
And fird. That in th cChair of Caffipeia, was not feen 
by Cornelius Gemma on the Eighth of November 1571, 
who fays,he that Night confidered that Part of Heaven 
in a very ferene Sky, and faw it not.- but that the next 
Night, Novemb. 9 0 . it appeared with a Splendour fur- 
pafiing all the fixt Stars and fcarce lefs bright than rir- 
nus. This was not feen by Tycho Brahe before the ii th 
of the fame Month, but from thence He allures us that 
it gradually decreafed and died away, fo as in 'March 
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