Links

As usual, I also need a page with links of sites I visit frequently.

Popular Astronomy

• The Cosmic Mirror (the German site) and the U.S. version. Another one in German: astronews
• Astronomy Picture of the Day (the original site), the London Mirror site, and an archive in Polish language.
• Satellite passes over Potsdam-Babelsberg in the next few days.

Professional Astronomy

• Galaxy databases:

  NED and direct name search there:

  Object name: 
  Extended name search: Yes  No   Image preview: Yes  No

  The galaxy database HyperLeda in France.

• More general: CDS (Strasbourg), the SIMBAD Astronomical Database, the VizieR Catalog Service.
• Telescope data archives: ESO Archive, the HST archive, the Canadian Astronomy Data Centre, and the Isaac Newton Group archive.
• The third data release of the Sloan Digital Sky Survey.
• Astrophysics Data System bibliography database: abstract service (UK), abstract service (ESO), Journal query (UK).
• arXiv preprint server: astro-ph (UK), astro-ph (DE), search for astro-ph number (UK), paper upload (submission).
• Grade astro-ph papers: RefSponse
• citebase, a search facility for electronic papers including citation statistics.