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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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Latest observations

Norma's Jewel Box, Great Orion Nebula, 47 Tuc, ESO 175-6, NGC 5061, NGC 4753, Messier 74, Helix Nebula, Messier 2, Saturn Nebula.

Featured astrophoto

Cassiopeia Salt-and-Pepper, Messier 52 by Anthony Ayiomamitis.

Previous image:

The Swan Nebula, Messier 17 by Dale Liebenberg.

Historically speaking

The Crab Nebula, sketched by the Earl of Rosse.



2017 July 25 at 10:53


(c) Dale Liebenberg 2017


NGC 5844 in Triangulum Australe, imaged by Dale Liebenberg.

Continue reading …


news archives

Recent news

//in3words — March newsletter of the ASSA Deep-Sky Section, featuring 47 Tuc on the cover.

//in3words — A globular cluster in the realm of the galaxies

//in3words — The Dark Emu rises, in pursuit of the Magellanic Clouds

//in3words — Massive star forming region in the Small Magellanic Cloud

//in3words — Flocculent Galaxy in Southern Leo

//in3words — Ancient open cluster in Lyra

//in3words — Golden Coin Galaxy

//in3words — NGC 2467 in Puppis

//in3words — Last but not least - Messier 103

//in3words — The Arkenstone of Thrain

//in3words — ConCards available

//in3words — Deep sky celebrations

//in3words — Necklace Nebula featured on APOD

//in3words — Methuselah Nebula featured on APOD

//in3words — New deepsky book from CUP

//in3words — NGC 1365 in infrared (ESO VLT)

//in3words — New HST image of eta Carinae Nebula

//in3words — First planetary in open cluster found

//in3words — NGC 300 in Sculptor imaged at ESO

//in3words — Superwind galaxy NGC 4666


The palest ink is clearer than the best memory.
(Chinese proverb)

Updates & changes

M16, the Eagle Nebula in Serpens Cauda, by Dale Liebenberg.

Lagoon Nebula by Pete Scully.

Skype me

During the beta-release I will be on Skype ("psychohistorian") so you can complain and make bug reports in person.

The Bug Report

DOCdb is still in beta-release.

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

> Bug Report


Special thanks to our volunteers:

• Magda Streicher

• Chris de Coning

> Find out more

The Bug Report

DOCdb is still in beta-release.

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

> Bug Report


Found a bug? Have a comment or suggestion to improve DOCdb? Please let us know!

> Contact us


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

You could help by sharing your observations, writing an article, digitizing and proof-reading historical material, and more.

> Find out more

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.