| 
Simbad Astronomical Database
| 
ATCA Data Archival
| 
Astronomical Data Center
|
| 
HST Archival Data
|
GRS-data | 
NRAO Data Archive System
|
| 
Accesses to Astronomical atalogues
| 
Dictionary of Nomenclature of Celestial Objects
| 
NASA/IPAC Extragalactic Database
|
| 
The Sloan Digital Sky Survey
| 
Canadian Astronomy Data Centre
| 
Aladin Sky Atlas
|
| 
VizieR Service
| | 
database for Astronomical Spectroscopy
|
