92 Astronomical and Nautical Collections. 
r 
No. Year. 
84, 1785. Discovered by Messier and Méchain the 7th Jan. observed till 
the Sth Feb. Mém. Par. 1785, p.646. Berl. Astr. Jahrb. 
1789, p. 142. Conn. des tems, 1788. 
85. 1785, Discovered by Méchain the 11th March, observed till the 17th 
Apr. Mém. Par. 1785, p. 646. Berl. Astr. Jahrb. 1789, 
p. 143. 
86. 1786. Was discovered by Méchain the 17th Jan. and could only be 
observed once more on the 19th, by Méchain and Messier. 
Mém. Par. 1786, p. 95. But since the identity of this comet 
with those of the years 1795, 1805, and.1819, has been de- 
monstrated, Encke was able todetermine the orbit from these 
two observations. Berl. Astr. Jahrb. 1822. Corresp. Astr. 
1819. Conn. des tems, 1819, p. 224. 
87. 1786. Discovered the 1st Aug. by Miss Caroline Herschel, observed 
till the 26th Oct. Mem. Par. 1786, p.98. Maskelyne, Astr. 
Obs. II. p. 29. Ephem. Milan. 1789. Conn. des tems, 1789. 
88. 1787. Discovered by Méchain the 10th April, observed at Paris till 
the 20th ; at Marseilles till the 26th May. Mém. Par. 1787, 
p. 70. Conn, des tems, 1790. . Berl. Astr. Jahrb. 1791. 
La Nux observed it at the Isle of France from the 25th May 
; to the 21st June. 
$9. 1788. Discovered by Messier the 25th Nov. observed till the 29th 
Dec. Mem. Par. 1789, p. 663. Conn, des tems. 1791. 
Berl. Astr. Jahrb. 1793. 
90. 1788. Discovered by Miss Herschel the 21st Dec.: observed last by 
Méchain the 18th Jan. 1789. Phil. tr. LXX VII. p. 1. Mém. 
Par. 1789, p. 681. Maskelyne Astron. Obs, for 1788. Berl. 
Astr. Jahrb. 1793. p. 119. 
91. 1790. Discovered by Miss Herschel the 7th Jan.: observed only four 
times ; the 9th, 19th, 20th, and 21st Jan. Mém. Par. 1790, 
p. 309. The first orbit agrees best with the longitudes ; the 
; second with the latitudes. 
92. 1790. Discovered by Méchain the 9th of Jan. and observed till the 
22d. Mém. Par. 1790, p. 313. Conn. des tems, 1792, p. 355. 
Berl. Astr. Jahrb. 1794. 
93. 1790. Discovered by Miss Herschel the 17th April, and observed till 
the <9th June. Mém, Par. 1790, p. 320. Conn, des tems 
1792, p. 355. Englefield on Comets, Lond. 1793, p. viii. 
94. 1792. Discovered by Miss Herschel the 15th of December 1791: ob- 
served last by Maskelyne on the 25th Jan. 1792. Berl. Astr. 
Jahrb. 1795, p. 184, 201; 1796, p. 148; Conn. des tems 
1793, p. 374, Englefield on Comets. The first elements, by 
Méchain, are those which have been corrected from all the 
observations. 
95. 1792. Discovered by Méchain the 10th Jan. 1793; also by Piazzi; 
observed till the 19th Feb. Piazzi della spec. astr. book v. 
Berl. Astr. Jahrb. 1797, p. 136 ; 1799, p. 192. Conn. des 
tems, 1795, p. 286. 
96. 1793, Discovered by Messier the 27th Sept. observed till the 11th 
Oct.: then seen again the 80th Dec. and observed till the 4th 
Jan. 1794, Conn. des tems, 1795, p. 287. 
(To the best of my knowledge, Messier’s observations of this 
comet, as wellas of some others, have not yet been printed, 
Their entire publication would be highly desirable.) 
