428 



ASTRONOMICAL AND NAUTICAL 

 COLLECTIONS. For Jan. 1828. 



i. EpHEMEitis of the periodical Comet for its Return in 

 1828, computed with the consideration of a HEsisTiiJG 

 Medium. By Professor Encke. 



:?} 



Mean Equinox 

 1829 Jan. 9.72. 



Elements, 



Mean anomaly 1829 Jan. 9.72, mean time at Paris, = 0° 0' 2". 83 

 Mean daily sidereal motion = 1069". 87572. 



O / // 



Longitude of the pephelion = 157 17 26.2' 



Ascending node . . = 334 28 47, 



Inclination = 13 20 47.9 



Angle of the eccentricity zz 57 38 25. S; 



Ephemeris* 



Aug. 



Sept. 



