130 



MR. RUMKERS OBSERVATIONS 



I Piscis Volantis. (Ann. Var. — 10".554.) 



Superior Culmination. 



1828. 



Apr. 18 

 26 

 27 



inches, 

 30.06 



29.92 



59.5 

 62.5 

 64 



Microscopes. 



22 6 53 

 »» t) 53.7 

 „ „ 50.0 



Apr. 24... Mean ... 

 Refract, and Reduct. 



Superior Culminat. 

 Inferior Culminat... 



Half Diff. S. P. D. 



22 6 52.2 



-6.8 



22 6 45.4 

 338 20 5.5 



21 53 19.9 



II. 



6 55 

 „ 50.4 

 „ 51.7 



6 52.4 

 6.8 



6 45.6 

 20 7.5 



53 19.1 



III. 



6.7 

 1.3 

 1.4 



7 3.1 



6.8 



6 54.3 

 20 14.5 



53 10.9 



IV. 



6 53 



„ 48.7 

 „ 49.0 



6 50.2 

 6.8 



6 43.4 

 20 8.8 



,53 17.3 



Inferior Culmination. 



1828. 



inches, 

 Apr. 25 30.00 4"'8.5 



Refract, and Reduct. 



Microscopes. 



338 25 6 

 -5 0.5 



338 20 5.5 



II. 



25 8 

 5 0.5 



20 7.5 



25 15 

 S 0.5 



20 14.5 



25 9.3 

 5 0.5 



20 8.8 



Mean S. P. D. of g Piscis Volantis, Jan. I, 1828 21° 53' 19".05 by 4 Observ. 



I 



