364 



Scientific Intelligence. 



Art. XXIX.— scientific intelligence. 



I. NATURAL PHILOSOPHY. 

 ASTRONOMY. 



1. Correct Elements of the first Comet of 1825. — In vol. iii. p. 175 of 

 this work, we have given M. Shumacher's elements of this comet. The 

 following elements have been calculated by M. Nicolai at Manheim, and 

 M. Schwerd at Spires. 



Passage of Perihelion 

 Long, of Perihelion 

 Long. Asc Node 

 Log. of shortest dist. 

 Inclination 

 Motion 



Nicolai. 



D. 



1825, March, 30 .5693 



273° 55' 21" 



20 5 53 



9 .94896 



66° 41 17" 



Schwerd. 



D. 



30 .51573 

 273° 59' 25" 

 20 2 42 

 9 .948743 

 56° 35' 4" 

 retrograde. 

 Shumacher's Astron. Nach. No. 81, 83. 



2- Correct Elements of the Second Comet of 1825. — In this Journal, vol. 

 iii. p. 175, vol. iv. p. 376, 377, and vol. v. p. 178, we have given various 

 elements, &c of this comet. The following are those calculated from Dr 

 Olber's observations by M- Cluver for Altona. 



Passage of Perihelion 

 Long. Perihelion dist. 

 Long. Perihelion 

 Long, of Asc Node 

 Inclination of orbit 



1825, December, 16 .88510 



0.1186417 

 321° 22' 33" 

 217 2 17 

 36 53 34 

 Shumacher's Astron. Nach. No. 84. 



3. Elements of the Comet discovered by M. Pons. The following ele- 

 ments are calculated by M. Peters for long. 30' 30" east of Paris, and by 



M. Clausen at Altona. 



Peters. 



D. 



1825, August, 27-1805 

 346° 34' 44" 



Passage of Perihelion 

 Long, of Perihelion 

 Long, of Node 

 Log. shortest dist. 

 Log. of Perihelion dist. 

 Inclination of orbit 

 Motion 



206 48 2 



.68290 

 35° 17' 27" 



Clausen. 

 D. 



30 .579 

 345° 13' 

 207 38 

 .04688 



34' 43' 



direct 

 Shumacher's Astron. Nach. No. 89. 



4. Fourth Comet of 1825. — The following elements are computed by M. 

 Hansen for Seeberg, and M- Halaschka for Prague- 



Hansen. Halaschka. 



D. D. 



1825, December, 11 .29767 10 .56132 



215° 39' 18" 215° 48' 8" 



Passage of Perihelion 



Long. Asc Node 



Long, of Perihelion 



Long of Node — Long. Perihelion 



319 11 87 



257 21 3 



