(NB. Blue links are links within the current page. Purple links are external links to other web sites. Pale Green links are are to other pages at this site.)
General
Hubble Space Telescope
Space Stations
NASA Images
Planets and Moons
Space Shuttles and Satellites

Images of comets, asteroids, nebulae, supernovae and other space phenomenon

LINKS
Collection on images of comets, nebulae, galaxies, exotic objects and asteroids
http://nssdc.gsfc.nasa.gov/photo_gallery/

Hubble Space Telescope images of various space phenomenon catalogued by year
http://oposite.stsci.edu/pubinfo/pictures.html

Planetary Nebulae Gallery...loads of pictures of nebuale all catalogued with information on size, constellation, type etc.
http://www.ozemail.com.au/~mhorn/pneb.html

Comets and images of the eclipse of the sun in 1998
http://www.comet-track.com/eclipse/secl98/secl98.html

Collection of images of comets, mainly Hale-Bopp (over 5,000) and links to other sites
http://www.jpl.nasa.gov/comet/

Links to other meteor, comet and asteroid sites
http://www.yahoo.com/Science/Astronomy/Solar_System/Comets__Meteors__and_Asteroids/