Planetary Nebulae (Subscribe)
Links
Variability of Planetary Nebula Central Stars
http://www.astro.psu.edu/users/rbc/res_puls.html
General information and links.
Planetary Nebulae Gallery
http://home.austarnet.com.au/mhorn/pneb.html
A data table with links to images.
Planetary Nebulae
http://fusedweb.pppl.gov/CPEP/Chart_Pages/5.Plasmas/Nebula/Planetary.html
A short discussion, part of a web page on plasmas.
Hubble Witnesses the Final Blaze of Glory of Sun-Like Stars
http://hubblesite.org/newscenter/archive/releases/1997/38
A news release that includes photos and videos.
ARVAL Catalog of Bright Planetary Nebulas
http://www.oarval.org/PNeb.htm
A text table, with name, size, magnitude, area, NGC number, type, RA, dec., and visual quality.