Some useful astro links
Databases
A list of International Conferences
NED NASA extragalactic database
HyperCat Lyon extragalactic database
ESO list of spectrocopic standard stars
Observing at ESO/VLT
ESO/VLT exposure time calculators
Astro Papers, Preprints etc.
Nasa abstract service ADS : in US, @ ESO, @ CDS, @ Nottingham
astro-ph (Germany) , astro-ph (USA) , astro-ph (UK)
IDL
The IDL Astronomy User's Library
DSS