the fixed stars in right ascension. 
4 8 5 
Result of 120 Observations. 
1816. July 24 to Aug. 21 - 51". 020 
Aug. 22 to Sept. \o - .020 
Sept. 11 to Oct. 1 - - .063 
Oct. 8 to Nov. 1 - .033 
Nov. 3 to Nov. 29 - .066 
Nov. 30 to Mar. 9(1817) .065 
1817. Mar. 10 to Aug. 21 •* .078 
Aug. 22 to Sept. 29 - .037 
Sept. 30 to Nov. 11 - .068 
Nov. 13 to Dec. 17 - .033 
Dec, 22 to Jan. 30 (1818) .040 
1818. Feb. 13 to Mar. 7 - .067 
Mean - 51 .049 
Results according to the law 
of parallax. 
Neutral. 
Minimum. 
5 1 ".020 
5l".020 
.065 
.063 
.078 
.033 
•033 
.066 
.040 
•037 
.067 
.068 
Mean 51 .050 
5 1 .048 
5 1 .049 
51.049 
Error r= .001 
Error .00 1 
Taken alternately 
or accidentally. 
5l".020 
5 1 ".020 
.063 
•033 
.0 66 
.065 
.078 
•°37 
.068 
•033 
.040 
.067 
Mean 51 .056 
51 .043 
5 1 •°49 
51 .049 
Error 0 .007 
Error ™ 006 
Six least. 
Six greatest. 
5l",020 
5i".o63 
.020 
.066 
•°33 
.065 
•°33 
.078 
•°37 
.068 
.040 
.067 
Mean 5 1 ,030 
51 .068 
51 .049 
51 .049 
Error — .019 
Error — .019 
