River Tigris or Tigris (named after the Tigris river) was a constellation, introduced in 1612 (or 1613) by Petrus Plancius. One end was near the shoulder of Ophiuchus and the other was near Pegasus, and in between it passed through the area now occupied by Vulpecula, flowing between Cygnus and Aquila. It did not appear on Johann Bode's atlases and was quickly forgotten.
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Constellation history
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The 48 constellations listed by Ptolemy after 150 AD |
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The 41 additional constellations added in the 16th and 17th centuries
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- obsolete constellation names
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