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Webtext, Constellation Map, USA, http://orcapress.com/, Viewed 15 January 2010.
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Webtext, Constellation Map, USA, http://orcapress.com/, Viewed 15 January 2010.
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Sky-map-grid-const, Grid Map, http://my.sky-map.org/images/sky-map-grid-const.gif, Viewed 15 January 2010.
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Constellations, 20 Constellations, http://www.cosmosapparel.com/Images/Constellations.jpg, Viewed 15 January 2010.
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CONST19B, Messier Object, http://www.astropix.com/HTML/WIDE/CONST19.HTM, Viewed 15 January 2010.
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