Délimitation scientifique des constellations
Eugène Delporte. . Cambridge University Press for the International Astronomical Union, 1930. In French.
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The 88 constellation boundaries, drawn as arcs of constant right ascension and declination referred to the equinox of B1875.0. Chronology: proposed at the IAU General Assembly at Cambridge in 1925, approved at Leiden in 1928, published in 1930.
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- Aries
- For the 1930 IAU boundaries; the decimal-degree width is this site's own computation from them, not a figure Delporte published.
- Pisces
- For the 1930 IAU constellation boundaries the equinox point is measured against.
- Scorpio
- For the 1930 IAU boundary of Scorpius; the width in ecliptic longitude is this site's own computation from it, not a figure Delporte published.
- Taurus
- For the 1930 IAU boundaries; the decimal-degree width is this site's own computation from them, not a figure Delporte published.
- Three Reference Frames
- The 88 constellation boundaries, referred to the equinox of B1875.0.