AT HUDSON OBSERVATORY. 



149 







Corrections. 







Corrections. | 



A. R. 



Dec. 



A. R. 



Dec. 



Jan. 25 



Berlin 



— 2".7 



+ 1"-71 





Feb. 28 



Hamburg 



— 35".6 



+ 18".4"^ 





26 



ti 



— 24 .6 



+ 10 .4 





28 



Bonn 



— 27 .6 



+ 18 .4 





27 



(( 



+ 8 .2 



+ 3.7 





29 



Hamburg 



— 39 .4 



+ 24 .3 





29 



u 



+ 39 .1 



— 6 .6 





29 



Bonn 



— 24 .4 



+ 16 .9 





29 



Hamburg 



+ 9 .4 



— 33 .9 





March 1 



Hamburg 



— 27 .2 







30 



Berlin 



+ 21 .0 



— 3 .7 





1 



Bonn 



— 20 .0 



+ 14 .0 





30 



Hamburg 



+ 18 .2 



— 13 .3 



>1. 



2 



Bonn 



— 25 .6 



+ 22 .7 





Feb. 2 



Berlin 



+ 25 .1 



— 10 .9 



3 



Hamburg 



— 31 .8 



+ 12 .0 



>4. 



2 



Hamburg 



.0 



— 23 .3 





3 



Bonn 



— 21 .3 



+ 19 .0 





3 



Berlin 



+ 16 .1 



— 8 .4 





4 



Hamburg 



— 25 .9 



+ 17 .8 





3 



Hamburg 



+ 20 .3 



— 27.5 





4 



Bonn 



— 24 .5 



+ 17 .0 





3 



Bonn 



+ 29 .5 



+ 4 .9 





5 



Hamburg 



— 39 .5 



+ 6 .3 





4 



Hamburg 



+ 7 .3 



— 7 .5 





5 



Bonn 



— 23 .5 



+ 17 .6 





4 



Bonn 



+ 39 .0 



+ 1 .oj 





6 



Hamburg 



— 32 .4 



+ 19.9 





8 



Hamburg 



— 8 .6 



+ 16 .3^ 





6 



Bonn 



— 20 .9 



+ 21 .5^ 





8 



Bonn 



+ 1.5 



— 1 .3 





7 



Hamburg 



— 41 .7 



+ 23 .5"^ 





9 



Berlin 



-f 4 .6 



— 11 .1 





7 



Bonn 



— 27 .5 



+ 15 .4 





9 



Hamburg 



— 17 .8 



+ 8 .9 





8 



Bonn 



— 30 .4 



+ 22 .2 





11 



Berlin 



— 21 .3 



— 4 .6 





9 



Hamburg 



— 32 .4 



+ 24 .1 





11 



Hamburg 



— 8 .2 



+ 1.9 





11 



Hamburg 



— 39 .5 



+ 25 .2 



>5. 



11 



Bonn 



— 8 .4 



— 3 .2 



>2. 



11 



Bonn 



— 32 .1 



+ 22 .1 



12 



Hamburg 



— 8 .0 



+ 10 .2 





16 



Hamburg 



— 30 .0 



+ 25 .0 





12 



Boan 



— 27 .5 



— 26 .5 





17 



Hamburg 



— 22 .3 



+ 22 .4 





13 



Hamburg 



— 16.7 



+ 4.3 





18 



Hamburg 



— 28 .5 



+ 17 .9 





13 



Bonn 



— 25.9 



— 20 .1 





18 



Hudson 



— 41 .6 



+ 26 .3^ 





17 



Hamburg 



— 15 .9 



+ 7 .7 





19 



Bonn 



— 33 .2 



+ 22 .7^ 





17 



Bonn 



— 12 .3 



+ 3.5J 





19 



Hudson 



— 45 .4 



— 23 .3 





19 



Berlin 



— 21 .8 



+ 2 .8^ 





20 



Hamburg 



— 53 .1 



+ 23 .9 





20 



Berlin 



— 18 .0 



+ 3 .3 





21 



Hamburg 



— 26 .9 



+ 35 .0 





20 



Hamburg 



— 14 .6 



+ 4 .0 





21 



Hudson 



— 42.3 



+ .6 



>6. 



21 



Berlin 



— 8 .1 



+ 5 .5 





22 



Hamburg 



— 40 .4 



+ 20 .7 



21 



Hamburg 



— 30 .5 



+ 1 .3 





24 



Hamburg 



— 34 .6 



+ 23 .5 





21 



Bonn 



— 2 .4 



— 4 .4 





25 



Hudson 



— 42 .5 



+ 18 .3 





22 



Hamburg 



— 28.0 



+ 9 .7 





April A 



Hudson 





+ 61 .7 





22 



Bonn 



— 22 .9 



— .6 



>3. 



2 



Hudson 



— 56 .0 



+ 27 .2^ 





23 



Hamburg 



— 10 .2 



+ 10 .4 







23 



Bonn 



— 7 .7 



+ 15 .2 









24 



Hamburg 



— 18 .5 



+ 2 .5 









24 



Bonn 



— 7 .1 



+ 15 .3 









25 



Hamburg 



— 24 .0 



+ 7.1 









25 



Bonn 



— 8 .6 



+ 18 .2 









26 



Bonn 



— 28 .6 



+ 23 .4 









27 



Bonn 



— 25 .2 



+ 11 .9^ 









The preceding observations I have divided into six groups, and taken the 



average of all the corrections. This may be regarded as the mean error of the 



ephemeris for the middle date of each group, and applying this correction to 



the ephemeris v^^ith an opposite sign, we obtain the comet's true places. The 



VIII. — 2 N 



