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Deep Sky Observer's Companion – the online database


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Full database:

Entire DOCdb database of 18,816 objects.



Seven Sisters of the Pole (1 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost

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Other web resources

  1. SIMBAD Astronomical Database
  2. NED: NASA/IPAC Extragalactic Database
  3. CDS: Centre de Données astronomiquesde Strasbourg
  4. ADS: SAO/NASA Astrophysics Data System
  5. WEBDA database, at the Institute for Astronomy of the University of Vienna
  6. arXiv: astro-ph open-access e-prints
  7. Hartmut Frommert's deep sky pages at SEDS
  8. IAU Circulars
  9. Harold Corwin's "Historically-aware NGC/IC Positions and Notes"
  10. Courtney Seligman's "Celestial Atlas"
  11. Wolfgang Steinicke's "Discovery and Cataloguing of Nebulae and Star Clusters" (Revised NGC/IC data)
  12. The NGC/IC Project
  1. The Belt of Venus: Astronomical Sketching Resources Page, by Jeremy Perez
  2. Dark Sky Images, by Scott Tucker
  3. Catching the Light: Astrophotography by Jerry Lodriguss
  4. Ted's CCD Imaging, by Ted Dobosz
  5. SSRO Star Shadow Remote Observatory
  6. Astro Optik, by Philipp Keller
  7. Star Echoes, Astrophotography by Marco Lorenzi
  1. The STScI Digitized Sky Survey
  2. SuperCOSMOS Sky Surveys (SSS)
  3. USNO Flagstaff Station Integrated Image and Catalogue Archive Service
  4. NGC Galaxies in the SDSS Data Release 2 (DR2)
  5. SDSS images of selected RC3 galaxies

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The Bug Report

DOCdb is still in beta-release.

Known issues, feature requests, and updates on bug fixes, are here:

> Bug Report


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DOCdb is a free online resource that exists to promote deep sky observing.

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Everything on DOCdb.net is © 2004-2010 by Auke Slotegraaf, unless stated otherwise or if you can prove you have divine permission to use it. Before using material published here, please consult the Creative Commons Attribution-Non-Commercial-Share Alike 2.5 License. Some material on DOCdb is copyright the individual authors. If in doubt, don't reproduce. And that goes for having children, too. Please note that the recommended browser for DOCdb is Firefox 3.x. You may also get good results with K-Meleon. Good luck if you're using IE. A successful experience with other browsers, including Opera and Safari, may vary.