The Circulars announce new comet and asteroid discoveries, publish their orbits, and provide predictions of where to find these objects. Many images, including animations and 3D from Gitto's Arcturus Observatory. The Comet Observations Home Page. An amateur astronomer with a long history of excellent astrophotography. An online listing of all comets that were expected to pass perihelion from 1995 through next year.
Data includes orbits, magnitude predictions, and finding charts.