Deep Sky Links...

The Messier Catalog - http://www.seds.org/messier/
Images and information for all Messier objects from Students for the Exploration and Development of Space (SEDS).
NGC/IC Project - http://www.ngcic.org/
Objective is to correctly identify all of the original NGC and IC objects. Starts with the original discoverer's notes and moves forward to encompass the work of contemporary astronomers, both professional and amateur.
Planetary Nebulae Observer's Web Site - http://blackskies.com/
Planetary nebula data, images and information on over 1000 planetaries.
Challenging Observing Projects for Amateur Astronomers - http://www.angelfire.com/id/jsredshift/
Deep-sky site challenges amateur astronomical observers.
Ray Cash's Deep-Sky Page - http://members.aol.com/anonglxy/deepsky.htm
Photos and information about deep-sky observing.
List of Common Deep-Sky Catalogs - http://www.seds.org/messier/xtra/supp/cats.html
Listing of various common catalogs of deep-sky objects, along with abbrevations and short descriptions.
Messier45.com - http://Messier45.com/
Online tools for deep-sky observers, including maps and lists of objects with pictures and data.
The National Deep-Sky Observers Society (NDSOS) - http://www.cismall.com/deepsky/
Dedicated to serving amateur deep-sky observers. Located in Louisville, Kentucky.
NetAstroCatalog - Internet Amateur Astronomers Catalog - IAAC - http://www.tiac.net/users/lewkaren/netastrocatalog/
A forum for amateur astronomers at all levels to share their observations of deep-sky objects.
Impressions of the Deep Sky - http://www.skyrover.net/ds/ (dead link)
Links to deep sky sites, sketches and photographs. Unfortunately the website is down atm.
Observing Supernovae - http://www.chapman.edu/oca/benet/observe.htm
Site has an in-depth FAQ on how to observe faint supernovae, and what you need to do so. Site also links to references for confirming your observations.
Deep-Sky.Org - http://www.deep-sky.org
Features a reference of Messier objects, telescope information, and deep-sky links.
Radek's Observing Target List (ROTL) - http://littlenet.com/astro/index.html
Project to develop comprehensive set of finder charts for deep-sky objects. Includes basic data for and charts to locate objects with your telescope.
Sketching the Deep Sky - http://home.hetnet.nl/~sterrenkunde/index.htm
Site devoted to sketching deep-sky objects.
Drawings of Deep-Sky Objects with large scopes - http://members.fortunecity.com/faintfuzzy/
Site also has a link to discussions on visual observing.
Iiro's DeepSky Pages - http://deepsky.iwarp.com
Video clips, pictures, sketches, and reports.
Ian's Astro Page - http://www.nabu.net/astro
Sketches of deep-sky objects from a light-polluted site using 5" and 8" STCs.
Arp's Catalog Of Peculiar Galaxies - http://users.aol.com/arpgalaxy/index.html
Summarizes catalog of 338 peculiar galaxy views gathered by Dr. Halton C. Arp in his Atlas of Peculiar Galaxies.
Deep-Sky Collections and Catalogs - http://seds.lpl.arizona.edu/messier/xtra/similar/catalogs.html
Links to deep-sky catalogs and observing lists.
Die grossen Planetarischen Nebel - http://home.teleos-web.de/jbohle/
Observations of large planetary nebulae with 20" telescopes (german). 
Blick ins Universum - http://www.blickinsuniversum.de
Deep sky observations and sketches from germany (german). 
Phil Harrington's Star Ware - http://ourworld.compuserve.com/homepages/pharrington/
Web site developed as an extension of the books and articles authored by Phil Harrington.
The Belmont Society - http://www.belmontnc.org
Dedicated to beginning astronomers - and presenting fabulous deep sky drawings.
Bert's Visual Deepsky Astronomy Pages - http://www.cobweb.nl/bertyvon/
Beautiful deep sky drawings from a dutch observer using a 6" Newtonian. 
Deep Sky ONLINE - http://www.fachgruppe-deepsky.de
Web site of the german VdS Fachgruppe Deep-Sky organisation.
Homepage of Wolfgang Steinicke - http://www.klima-luft.de/steinicke/index_e.htm
Deep sky related homepage of a skilled NGC/IC project observer.
San Jose Astronomical Association  - http://www.sjaa.net
Web site with many deep sky related articles - and often featuring some of my own sketches. ;-) 
www.serifone.de - http://www.serifone.de
Beautiful deep sky web site by Matthias Juchert, Germany.

More Links:

 

Volkssternwarte Darmstadt e. V. - http://www.vsda.de
Public Observatory of Darmstadt (Germany). 
3rd Planet - http://www.3rdplanet.de/
Astronomy resources, instruments and news (german).

Mailinglists:

 

AmAstro - http://groups.yahoo.com/group/amastro/
A retromoderated mailing list dedicated to the discussion of amateur astronomy, with an emphasis on observing.
sci.astro.amateur - http://groups.google.de/groups?group=sci.astro.amateur
Amateur astronomy and observing mailing list. 

 

Disclaimer:

I explicitly disclaim any responsibility for the accuracy, content, or availability of information found on the external pages listed on this Web Resources page. Therefore I hereby explicitly dissociate from the content of the external pages or linked pages.

Das Landgericht Hamburg hat am 12. Mai 1998 im Urteil 312 O 85/98 "Haftung für Links" entschieden, dass durch die Veröffentlichung eines Links auf einer Homepage die Inhalte der gelinkten Seiten mit zu verantworten sind. Das lässt sich nur verhindern, wenn man sich ausdrücklich von den Inhalten der gelinkten Seiten distanziert.  Ich distanziere mich daher von allen Inhalten, die sich hinter den hier angegebenen Links, den dahinter stehenden Servern, weiterführenden Links, Gästebüchern und sämtlichen anderen sichtbaren und nicht sichtbaren Inhalten verbergen. Sollte eine der Seiten auf den entsprechenden Servern gegen geltendes Recht verstossen, so ist mir dieses nicht bekannt. Auf entsprechende Benachrichtigung hin werde ich selbstverständlich den Link zu dem entsprechenden Server entfernen.