Sun’s observed and computed right ascensions , &c. 475 
Table XVIII. 
To convert the Sun’s observed Right Ascension, reduced by the 
Dublin Catalogue, into his correspondent Right Ascension 
reduced by the Greenwich Catalogue. 
1821. 
Sun's It. A. observed at 
Dublin, the reductions 
being made by the 
Dublin Catalogue. 
Equation for DifF. 
of Dublin and 
Greenwich Cat. 
Sun’s R. A. observed at 
Dublin, reduced by the 
Greenwich Catalogue. 
h. m. s. 
s. 
b. m. s. 
June 30 
6 36 8.500 
■j- 0.281 
6 36 8.781 
July 12 
7 25 27.880 
0.282 
7 25 28.162 
*9 
7 53 45 - 2 5 ° 
0.298 
7 53 45-548 
August 23 
10 8 17.650 
0.207 
10 8 1 7.857 
24 
10 ij 58.860 
0.295 
n 11 59.155 
October 2 
12 32 55.590 
0.207 
12 32 55.797 
29 
14 13 51.050 
0.261 
14 13 51.311 
December 6 
16 51 7.100 
0.291 
16 51 7.391 
1 1 
17 13 3 - 59 ° 
+ 0.288 
17 13 3- 8 78 
Table XIX. 
To convert the Sun’s observed Right Ascension, reduced by the 
Dublin Catalogue, into his correspondent Right Ascension, by 
the Greenwich Catalogue. 
1822. 
Sun’s R. A. observed at 
Dublin, the reductions 
being made by the 
Dublin Catalogue. 
Equation for Diff. 
of Dublin and 
Greenwich Cat. 
Sun’s R. A. observed at 
Dublin, reduced by the 
Greenwich Catalogue. 
h. m. s. 
s. 
h. m. s. 
May 1 
2 32 25.030 
4 - 0.272 
2 32 25.302 
21 
3 50 31.570 
0.276 
3 50 31.846 
22 
3 54 3 I - 9 2 ° 
0.289 
3 54 32.209 
24 
4 2 34.250 
0.288 
4 2 34.538 
June 1 
4 35 2.340 
0.313 
4 35 2.653 
3 
4 43 13-84° 
0.303 
4 43 I 4- I 43 
6 
4 55 33-66o 
0.303 
4 55 33-963 
7 
4 59 40.680 
0.307 
4 59 40-987 
22 
6 1 55.760 
0.289 
6 1 56.049 
August 2 
8 48 5.220 
0.294 
8 48 5 - 5 H 
J 9 
9 52 37 - 39 ° 
0.273 
9 5 2 37-663 
21 
10 0 2.720 
0.263 
10 0 2.983 
November 14 
15 16 42.750 
0.291 
15 16 43.041 
December 7 
16 54 25.990 
0.299 
16 54 26.289 
26 
18 18 31.830 
+ 0.295 
18 18 32.125 
