Peter Erwin

Immediately Useful

SAO/NASA ADS Abstract Service -- Mirror at Strasbourg:
- Simple reference search (e.g., "^name, i 2005" or "author:'M. J. Kurtz' 2005")
SAO/NASA ADS Abstract Service -- Home site at Harvard

NED (NASA Extragalactic Database):
Object name:
- Search by Object Name

Los Alamos Preprint Archive: Astrophysics -- Home site at Cornell

HyperLeda:
Galaxy Name : (e.g.: M31, NGC224...)
Mean Data
morphological type
major and minor axes
magnitude
rotation velocity
central velocity dispersion
- Request data for a list of galaxies
RC3 Search (at Vizier)

HST Archival Searches:
- STScI HST Archive (new interface)
- STScI HST Proposal Search
Other Archives:
- Isaac Newton Group Archive: even newer interface (at ING) (WHT, INT, JKT)
- Isaac Newton Group Archive: new interface (at CASU) (WHT, INT, JKT)
- Isaac Newton Group Archive: old version of new interface (at CASU) (WHT, INT, JKT)
- Isaac Newton Group Archive: old interface
- CFHT Archive
- ESO Archive (Southern Observatories: VLT, NTT, etc.)
- Gemini Observatory Archive
- UKIRT Archive
- AAT Archive
- SMOKA (Japanese telescope archive, including Subaru)
- UKIDSS (image cut-out search/request form)
Sloan Digital Sky Survey:
- Visual Tools -- links to Navigate, etc.
- Search Page -- links to Imaging Query, SQL Query, etc.
- SQL search
- JPEG color images of specific fields
Ned Wright's Cosmology Calculator
Aladin
SIMBAD
Astronomy Tools -- useful oberving info (lunar phases and position, etc) from Brian Casey
WIYN Observatory Information: UW-Madison and NOAO

References

Astronomical Journals

IRAF (the horror, the horror...)

International Astronomy Meetings

Digitized Sky Survey

NASA Skyview -- retrieve multi-wavlength images of specified part of the sky