The list below shows the International Astronomical Union (IAU) conventions for constellation names. Given for each constellation is the Latin name, nominative and genitive, as well as the approved three-letter abbreviation.
All of the following material was taken directly from William Tyler Olcott's book entitled Star Lore of All Ages, published in 1911 by The Knickerbocker Press. William Tyler Olcott was the founder of the AAVSO in 1911.