4io Mr. Pigott’s Determination of 
Occultations of flars by the moon. 
1783 I 
Sept. 10 
7 
Dec. 
1 App. time. 
*>. . .. 
11 34 44 l 
11 49 39 l 
281 
i5l 
24 
(Yorlc, immerfion of a {hr of the ninth magnitude 
l during the eclipfe of the moon ; good, 
j Paris, at L’Obfervatoire de la Marine; ditto, 
s Ditto, by M. Messier, who determined its R.A* 
l 349° 22' 17" and fouth declination 5 0 27' 54". 
York, immerfion of <p Aquarii, inftantaneous. 
Greenwich, ditto. 
York, immerfion of ^ Pifcium, infiantaneous : I find I 
wrote down the minute wrong, it is here corrected. 
14 26 
J 4 37 
8 1 
8 2 56|jGreenwich, immerfion of ditto 
Mr. Goodricke was fo obliging as to be at the trouble of 
computing thefe occultations, and fent me the refults as 
follows : 
/ *1 
4 29 
\ 
By the ftar of the ninth magnitude 
By (p Aquarii — - - - - 4 23 Difference, of 
By ^Pifcium compared to the Greenwich obfervation 4' 30" 1 , [ meridians be- 
1 J 
Ditto, to Mr. Wollaston’s obfervation, 
On a mean 
- 4 
28 J 4 2 9 r tween Green- 
4 27^ York. 
wich and 
Obferved meridian R.A.’s of the moon’s limb. 
In 1783 this method of finding the difference of meridians 
occurred to me, and I wrote to Mr. Bayley, your late 
Affiftant, for information, being entirely ignorant it had ever 
been noticed ; but have fince feen, Sir, that you mention it in 
your valuable Inftru&ions for the Obfervations of the Tranfit 
of Venus, annexed to the Nautical Almanac of 1769* 1 have 
alfo juft perufed on the fame fubje£f Abbe Toaldo’s ingenious 
pamphlet written in 1784, which you were fo kind as to fend 
7 1X109 
