Links related to ASAS:

Recent Images of Comets in ASAS-3 by Seiichi Yoshida

Links accessed by ASAS Alert Service:

MPChecker: Minor Planet Checker at Minor Planet Center
USNOi-B1 Catalog from USNO Flagstaff Station Integrated Image and Catalogue Archive Service
The Online Digitized Sky Survey from ESO/ST-ECF Archive
SIMBAD: Query by identifier, coordinates from SIMBAD database, CDS, Strasbourg, France

Other links of interest (surveys, variables, etc.):

VSNET Variable Star Network - Dead link?
HAT Hungarian Automated Telescope
TASS The Amateur Sky Survey