Online Catalogs and other resources:
Infrared:
- APM Catalog
- NASA/Infrared and Submillimeter Data (IRSA)
- Optical Extragalactic Jets
- Sloan Digital Sky Survey
- Spitzer Space Telescope Archive
- Two-Micron All Sky Survey (2MASS)
- SuperCOSMOS SOFIA Science Archive - OpticalCenter
- WSA-WFCAM Science Archive - Infrared
Optical: