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Planetary Nebulae |
| Historical facts, the spectra, the lifetime, Vorontsov-Velyaminov type for Planetary Nebulae. |
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Planetary Nebulae information from Astrophysical Directions |
| Some facts. |
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Messier Object 27 |
| Facts and description of Planetary Nebula in Vulpecula. Image and links. |
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Messier Object 57 |
| Facts and description of Planetary Nebula in Lyra. Image and links. |
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Messier Object 97 |
| Facts and description of Planetary Nebula in Ursa Major. Image and links. |
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Planetary Nebula Sampler |
| Several rather unusal examples of planetary nebulae (images and descriptions). |
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Gallery of planetary nebula images |
| Gallery of a number of planetary nebulae that the Hubble Space Telescope has observed. |
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Bruce Balick and Planetary Nebulae |
| Planetary Nebulae Formation page. The 3-color images of planetary nebulae (PN). The cartoon showing a model of a PN. |
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ARVAL Catalog of Bright Planetary Nebulas |
| A catalogue by the Observatorio ARVAL in Caracas, Venezuela.
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The Top 10 Planetary Nebulae |
| A list at the "Catching the Light" astrophotography website by Jerry Lodriguss. |
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Deep Sky Database: Search for planetary nebulae |
| Search for planetary nebulae by constellation and magnitude.
Deep Sky Database is an online observing list generator for amateur astronomers which employs a web-based version of the Saguaro Astronomy Club's database, consisting of over 10,000 records. |
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Planetary nebulae |
| Planetary nebulae images and information from Anglo-Australian Observatory. |
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Planetary Nebulae |
| A gallery of planetary nebulae images by the National Radio Astronomy Observatory. |
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HubbleSite - News Releases about planetary nebulae |
| Hubble Space Telescope news releases related to planetary nebulae including images made by HST. |
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Best of AOP: Planetary Nebulae |
| Best Images of the Advanced Observing Program of National Optical Astronomy Observatory, available to the public at the Kitt Peak Visitor Center. |
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Planetary Nebula Emission Line Catalog |
| The on-line version of the "Catalog of Relative Emission Line Intensities Observed in Planetary Nebulae". Provided at the website of Space Telescope Science Institute. |
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Planetary nebula |
| Information on planetary nebulae by Wikipedia, the free encyclopedia. |
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Planetary nebula |
| An article from the Encyclopedia of Astrobiology, Astronomy, and Spaceflight by David Darling. |
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APOD Index - Nebulae: Planetary Nebulae |
| Images of planetary nebulae with descriptions from NASA's Astronomy Picture of the Day site. |
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Planetary nebulae concept from the Astronomy Knowledge Base |
| Definition, main properties and examples of planetary nebulae. |
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Objects in the Messier catalogue(Planetary nebulae) : Photos by NAOJ PR Office |
| Images of planetary nebulae from the National Astronomical Observatory of Japan image gallery. |
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2MASS Atlas Image Gallery: Planetary Nebulae |
| 2MASS Atlas Image Gallery at the Infrared Processing and Analysis Center of the California Institute of Technology. |
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NOAO Image Gallery: Planetary Nebulae |
| Images by the National Optical Astronomy Observatory. The gallery includes pictures taken with the facilities of NOAO. |
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