[ J 53 ] 



^IX. Obfervatwns of a tie^v Variable Star, By John Goodrickb, 

 Efq. ; communicated by Sir II. C. Eoglehcld, Bart. F. R. Sc 

 ^nJ A. S. 



Rend January 2^, lyS^. 



TO SIR H. C. ENGLEFIELD, BART. 



DEAR SIR, York, Jan. lo, 1785, 



if" B iHE account that lias been lately given of the regular 

 A varialion of AlgoFs light, and the notice aftronomers 

 have been pleafed'to take of it, are well known. It is natural 

 •tlierefore to fuppofe, that the relation of other fimilar phseno- 

 mena may alfo meet with the fame favourable reception. Of 

 this kind is the following, which! beg the favour of yon to 

 prefent to the Royal Society. 



On the I oth of September, 1784, whilfl: my attention was 

 directed towards that part of the heavens where jG Lyrse was 

 iituated, I was furprifed to find this flar much lefs bright than 

 ufual, whereupon I fufpedled that it might be a variable ftar : 

 my fufpicions were afterwards confirmed by a feries of obfer- 

 vations, which have been regularly continued fince that time, 

 ^nd which will pi'efently follow in their proper place. At firft 

 1 thought the light of this ftar fubjed to a periodical variation 

 t)f nearly yf.v days and nine hours^ though the degree of its di- 

 minution did not then appear to be conftant ; but now, upon a 

 more clofe examination of the obfervations themftives, I am 



Vol. LXXV. X inclinea 



