Planetary Nebulae
7 links
ARVAL Catalog of Bright Planetary Nebulas
oarval.org
A text table, with name, size, magnitude, area, NGC number, type, RA, dec., and visual quality.
Hubble's Planetary Nebula Gallery (PRC97-38b)
oposite.stsci.edu
The hydrogen cloud in which the Solar System is immersed. 3D pictures of the cloud, view from any direction, movie, calculate hydrogen column density in any direction.
Planetary Nebula Total Observing and Data Source
blackskies.com
images, data, observing reports and features on planetaries.
Variability of Planetary Nebula Central Stars
astro.psu.edu
A short discussion, part of a web page on plasmas.
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