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		LDN - "Lynds Catalog of Dark Nebulae" | 
		| Overview, description, parameters, opacity, ID_Number, Run_Number, Lynds2_Number, Barnard_IDs, Class of the LDN Catalog. | 
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		Dark Nebulae information from Astrophysical Directions | 
		| Some facts about dark nebulae "Coal Sack" in the Southern Cross. | 
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		Dark Nebulae page by SEDS | 
		| A famous example is the Horsehead Nebula. Links. | 
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		Dark Nebulae by A. Batman | 
		| Image. Explanation on examples. The list of Dark Nebulae images. | 
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		Dark nebulae information from Anglo-Australian Observatory | 
		| Image. Explanation on examples. The list of Dark Nebulae images. | 
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		The Top 10 Dark Nebulae | 
		| A list at the "Catching the Light" astrophotography website by Jerry Lodriguss. | 
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		HubbleSite - News Releases about dark nebulae | 
		| Hubble Space Telescope news releases related to dark nebulae including images made by HST. | 
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		Dark nebula | 
		| Information on dark nebulae by Wikipedia, the free encyclopedia. | 
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		APOD Index - Nebulae: Dark Nebulae | 
		| Images of dark nebulae with descriptions from NASA's Astronomy Picture of the Day site. | 
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		Dark nebula concept from the Astronomy Knowledge Base | 
		| Definition, main properties and examples of dark nebulae. | 
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