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WikiPedia: Messier_78 http://www.nightskyinfo.com/archive/m78_ngc2071 http://apod.nasa.gov/apod/ap091126.html http://apod.nasa.gov/apod/ap100302.html http://antwrp.gsfc.nasa.gov/apod/ap051104.html http://antwrp.gsfc.nasa.gov/apod/astropix.html http://www.seds.org/messier/m/m078.html http://server1.wikisky.org/starview?object=Messier... http://www.wikisky.org/?object=Messier+78 http://www.wikisky.org/?object=Messier+78&img_sour... http://www.wikisky.org/?object=Messier+78&img_sour...