Star lore
Caelum
Direct answer
Caelum is a small, faint southern constellation named for an engraver's chisel.
Caelum is an inconspicuous southern constellation representing an engraving tool.
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At a glance
- Found in
- Constellations & Star Lore
- Related
- Auriga, Boötes, Camelopardalis, Cancer Constellation
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The story behind Caelum
Nicolas-Louis de Lacaille introduced Caelum in the eighteenth century after surveying the southern sky from the Cape.
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Why Caelum matters
Caelum belongs to Lacaille's group of instrument-themed constellations and occupies a sparse region near Eridanus and Columba.
How to read Caelum
Locate Caelum by chart coordinates from brighter Lepus, Columba, and Eridanus; its own stars offer little naked-eye guidance.
Caelum in practice: an example
Alpha Caeli is a modest star that functions better as a chart confirmation than a visual beacon.
Where readings of Caelum go wrong
The Latin caelum here means a chisel, not the similar word commonly translated as sky or heaven.
Sources and editorial method
Research references used for this entry include:
- International Astronomical Union: The Constellations - Official names, abbreviations, and boundaries for the 88 modern constellations.
- NASA Space Place: What Are Constellations? - NASA introduction to constellation regions, patterns, visibility, and seasonal sky changes.
- Source
- The Great Almanac Dictionary
- Category
- Constellations & Star Lore
- Last updated
- 2026-09-26
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Common questions
What is caelum?
Caelum is a small, faint southern constellation named for an engraver's chisel.
What do people get wrong about caelum?
The Latin caelum here means a chisel, not the similar word commonly translated as sky or heaven.
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