19P / Borrelly
Efemerides
Light curve
Afrho
Dust and water production
Images:    2009    2008 and others 2021-2022
Images of the 2008 anti-tail
Images of the 1994 anti-tail
History
 Analysis and photometric evolution :
        - Coma Index
        - Ratio Afrho (10"/20")
        - Afrho evolution in physical coma diameters
 - Light curve evolution in physical coma diameters
        - Perihelion asymmetry

 
 
 
 
 

All comets