* Officially recognized: The International Astronomical Union (IAU) recognizes 88 constellations. These are well-defined areas of the sky with specific boundaries.
* Historically: Throughout history, different cultures have recognized many more constellations, often based on their own mythology and folklore. Some sources mention over 100 constellations in ancient Greece alone.
* Modern usage: Some stargazers and astronomy enthusiasts may use additional unofficial constellations for ease of identification or personal interest.
So, the answer depends on the context! But for the official, globally recognized constellations, the number is 88.