Kiedy w wędrujemy po stronach Internetu możemy zauważyć, że coraz częściej strona WWW działa jak oprogramowanie użytkownika na lokalnym komputerze. A dlaczego by nie? Dlatego poniżej trochę linków do tego typu stron oczywiście związanych z astronomią.

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WebCCD
Produces an artificial image of a star field based on the selected catalog

3D Solar System
Navigate through the Solar System, approach any planetary body, orbit it, control the flow of time, textured images

Aladin
Sky atlas allowing the user to visualize digitized images of any part of the sky, to superimpose entries from astronomical catalogs or personal user data files, and to access related data and information from the SIMBAD, NED, VizieR, etc.

AstroViewer
The AstroViewer planetarium applet shows a sky map for any time and any location on Earth. Inspan idual printable sky maps (GIF, PDF) can be created.

DeepSkyLive
A free web-based star charting java-applet: draws stars to mag 11.5, can display all NGC objects

Ephemeris.com
Sun to Sedna Ephemeris

Galaxien-Photoscript
Javascript for galaxy observers in German

GeoAstro Applet Collection
Java applets concerning the positions of the Sun and Moon in the sky and much more

J-Track
Java applet that tracks Mir, Hubble, UARS and COBE.

JSkyCalc
Expedites the 'time-and-the-sky' calculations needed by observational astronomers

Jupiter Events
JavaScript Application

Julian Date
JavaScript Application

Mobile Planetarium for Java Phones
Open-source MIDP1.0/2.0 midlet for Java-enabled mobile/cell phones or handheld device that simulates the whole sky

picoSky
Cellular telephone planetarium

Picosky
Sideral time calculator

Skynotes
Jupiter's moon positions and Moon Phases

Solar System Live
WWW Interactive

Where is M13?
Displays the 3-D positions of deep sky objects within and around the Galaxy.

Your Sky
Interactive web-based planetarium