Boundaries between the Constellations

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The discussion centers on the boundaries between constellations, highlighting inconsistencies and gaps in their definitions. Users seek a more comprehensive resource for constellation borders, with links to relevant databases provided. The IAU's official site is mentioned as a key reference, while a paper by Nancy Roman is noted for its insights on celestial positioning within constellations. The arbitrary nature of constellation definitions based on ancient observations is acknowledged. Overall, the conversation emphasizes the need for clearer and more comprehensive information on constellation boundaries.
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The below sites formulate the Boundaries between the Constellations.

These sites leave inconsistancies or open gaps between the Constellations where there is no definition.

I was wondering if there is a more comprehensive listing on the Web or in a book I could buy on these Constellation Borders.

ftp://cdsarc.u-strasbg.fr/pub/cats/VI/49/bound_18.dat (most comprehensive)
http://vizier.u-strasbg.fr/viz-bin/VizieR-4
http://www.iau.org/public/themes/constellations
 
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Constellations are arbitrarily defined by ancient astronomical observations. I fail to see any issue.
 
Nancy Roman published a paper on figuring out which constellation any celestial position is in: see here.
 

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