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 coordinates from SIMBAD database, CDS, Strasbourg, France
Weather over LCO: forecasts and satellite images.
Current weather over Haleakala from the University of Hawaii, Institute for Astronomy
Other links of interest (surveys, variables, etc.):