Lepus
“The Hare” · Southern · best around February evenings
Real star positions and magnitudes (HYG database via D3-Celestial, BSD-3). Lines are the conventional stick figure; north is up.
The story
The hare crouching at Orion's feet, hunted eternally by his dogs. It hides R Leporis, 'Hind's Crimson Star' — one of the reddest stars in the sky, glowing like a drop of blood in telescopes.
How to find it
Directly below Orion.
✦ What lives inside it
- Hind's Crimson Star
- M79 globular
The deep dive
Researched for the Atlas from Wikipedia — Lepus (constellation) (3,030 characters read) · updated Sep 20, 2026
01 A Hare Without a Myth of Its Own
Most constellations in the ancient Greek sky carry a specific story — a hero transformed, a monster slain, a princess rescued. Lepus is a notable exception. Although it was catalogued by the 2nd-century astronomer Ptolemy as one of his 48 canonical constellations, the hare it depicts does not correspond to any particular figure in Greek mythology. Its identity is almost entirely relational: it exists to be chased. Positioned immediately south of Orion the hunter, with Canis Major and Canis Minor — Orion's hunting dogs — flanking the scene nearby, Lepus reads as pure dramatic staging rather than an independent mythological actor. This makes it one of the older, more humble constellations, defined not by its own legend but by its role in a much grander tableau. The hare crouches just below Orion's feet, frozen mid-flight for every northern winter, as if the hunter above has just flushed it from cover. That narrative simplicity may be exactly why it endured — it needed no story of its own because the story was always written around it.
02 The Moon Rabbit Connection
Beyond the Greek hunting scene, Lepus carries a second cultural identity rooted in East Asian tradition: the Moon rabbit. Across Chinese, Japanese, and broader East Asian folklore, a rabbit is said to inhabit the Moon, typically depicted pounding rice or preparing medicine. The association between the hare constellation and this lunar figure gave Lepus a mythological life quite separate from anything in the Greek or Roman tradition. Where Greek astronomy positioned the hare as earthbound prey, the East Asian reading elevated the same animal to a celestial, almost sacred companion of the Moon itself. This is a reminder that the 88 modern constellation boundaries are a Western inheritance, but the stars inside them were interpreted by many independent cultures who saw entirely different pictures and told entirely different stories. Lepus is a compact example of how one patch of sky can carry multiple mythological identities simultaneously, each meaningful within its own tradition and neither cancelling the other out.
03 Arabic Star Names Hidden in Plain Sight Deeper
Two of Lepus's brightest stars carry Arabic proper names that are still in everyday use among astronomers, and both names encode a relationship to the larger Orion region. Alpha Leporis is called Arneb, from the Arabic word meaning simply "hare" — a direct translation of the constellation's Latin name into the language of the medieval Islamic astronomers who preserved and extended Greek star catalogues. Beta Leporis is called Nihal, meaning "quenching their thirst," which refers to a broader Arabic asterism. The four stars alpha, beta, gamma, and delta Leporis were grouped together under the name al-Nihāl, "the Camels Quenching Their Thirst," and also known alternatively as Arsh al-Jawzā', meaning "the Throne of Jawzā'," or Kursiyy al-Jawzā' al-Mu'akhkhar, "the Hindmost Chair of Jawzā'." Jawzā' was the Arabic name for the figure we call Orion. So in the Arabic tradition, these four hare stars were reimagined not as an animal but as the throne or chair upon which the great central figure of winter sits — a completely different geometric and symbolic reading of the exact same stars.
04 Arneb: A Supergiant Far Beyond Its Neighbors Deeper
Alpha Leporis, Arneb, is the brightest star in the constellation at magnitude 2.6, but its apparent brightness conceals how extraordinary it truly is. It is a white supergiant sitting 1,300 light-years from Earth — vastly farther than most of the other bright stars visible to the naked eye on a winter night. For comparison, the nearest of the bright stars in Lepus, Gamma Leporis, is only 29 light-years away, making Arneb roughly 45 times more distant. The fact that Arneb still shines at magnitude 2.6 despite that distance indicates it is intrinsically enormously luminous. Beta Leporis, Nihal, is a yellow giant of magnitude 2.8 at 159 light-years — much closer and more modestly scaled. Delta Leporis is a yellow giant of magnitude 3.8 at 112 light-years, and Epsilon Leporis is an orange giant of magnitude 3.2 at 227 light-years. The constellation's brightest members therefore span a huge range of actual distances, from the nearby Gamma Leporis to the remote supergiant Arneb, all projected onto the same small patch of sky.
05 Hind's Crimson Star: A Variable Worth Watching
R Leporis is one of the most visually dramatic variable stars accessible to amateur astronomers. It is a Mira-type variable — a class of long-period pulsating red giant — sitting 1,500 light-years from Earth. What sets it apart from other Mira variables is its intense red coloration, so striking that it was nicknamed Hind's Crimson Star after the astronomer John Russell Hind, who named it. The star's brightness swings over a wide range: at minimum it can fade as dim as magnitude 12, beyond the reach of binoculars, and at maximum it can brighten to magnitude 5.5, visible to the naked eye under good conditions. The article also states a narrower typical range of magnitude 9.8 at minimum to 7.3 at maximum, with the full cycle completing in approximately 420 days — just over a year. One of the most striking properties noted is that the red color actually intensifies as the star brightens, the opposite of what many observers might expect. T Leporis is another Mira variable in the constellation, observed in fine detail by the European Southern Observatory's Very Large Telescope Interferometer.
06 RX Leporis and the Semi-Regular Giants Deeper
Not every variable star in Lepus pulses with the clockwork regularity of a Mira. RX Leporis is classified as a semi-regular red giant, a category in which the star brightens and dims on a rough schedule but without the strict periodicity that defines true Mira variables. Its period is approximately two months — far shorter than R Leporis's 420-day cycle — and its brightness ranges from a maximum of magnitude 5.0 down to a minimum of 7.4. At peak brightness, RX Leporis is within comfortable binocular range and almost bright enough for naked-eye detection under dark skies. Semi-regular variables like this one are thought to be red giants undergoing complex pulsations in their outer layers, sometimes driven by more than one simultaneous oscillation mode, which disrupts the clean periodicity seen in classical Mira stars. Observing RX Leporis over several months alongside R Leporis gives an amateur astronomer a direct, hands-on comparison between two flavors of red giant variability within the boundaries of a single small constellation.
07 Gamma Leporis: A Binocular Double Next Door
At only 29 light-years from Earth, Gamma Leporis is practically a neighbor by cosmic standards — close enough that it would appear in any short list of the Sun's nearby stellar companions. It is also a double star that can be split with binoculars, making it one of the more rewarding easy targets in the winter sky. The primary component is a yellow star of magnitude 3.6, and its companion is an orange star of magnitude 6.2. The color contrast between a yellow primary and an orange secondary gives the pair a gentle visual warmth. Because of Gamma Leporis's proximity, its relatively modest apparent brightness actually understates how intrinsically faint it is compared to more distant giants like Arneb. It is a useful object for binocular observers who want to practice splitting double stars before attempting trickier pairs, and its closeness to Earth makes it a system that astronomers studying the solar neighborhood pay attention to when cataloguing nearby stellar populations.
08 Kappa Leporis: A Harder Split for the Telescope Deeper
Kappa Leporis offers a more demanding double-star challenge than Gamma Leporis. Located 560 light-years from Earth, it requires a medium-aperture amateur telescope to separate its components, unlike Gamma which yields to binoculars. The primary is a blue-white star of magnitude 4.4, and the secondary is a considerably fainter star of magnitude 7.4. That difference of three full magnitudes — representing a brightness ratio of roughly 16 to 1 — is what makes the split difficult: the glare of the brighter primary can overwhelm the fainter companion at low magnification or in smaller instruments. Blue-white stars like Kappa Leporis's primary are typically hot, massive stars. The 560-light-year distance also means the system sits in a very different part of the galaxy from nearby Gamma Leporis at 29 light-years, even though both appear within the same small constellation boundary. Together, the two double stars bracket a large range of distances and difficulty levels, giving observers a natural progression from an easy binocular split to a more demanding telescopic one.
09 M79: A Globular Cluster Far From Home
Messier 79 is the one Messier object in Lepus, and it is an unusually positioned globular cluster. At 42,000 light-years from Earth it is one of the more distant globular clusters visible to amateur astronomers, and unlike most globular clusters that concentrate toward the galactic center in the direction of Sagittarius, M79 sits in the opposite direction of the sky — in a winter constellation rather than a summer one. It shines at magnitude 8.0, making it detectable in binoculars from a dark site and well resolved in a telescope. It is classified as Shapley concentration class V, indicating an intermediate degree of central concentration — neither loosely scattered nor tightly compressed — and it is often described as having a starfish shape. Pierre Méchain discovered M79 in 1780. Its location on the far side of the galactic center from most globular clusters has led astronomers to speculate that it may have originated in a dwarf galaxy that was subsequently absorbed by the Milky Way, though the article does not state that speculation directly.
10 Winter Visibility and Celestial Neighbors
Lepus occupies a narrow strip of sky just south of the celestial equator, tucked directly below Orion. This placement makes it a northern winter constellation, sharing the sky with some of the most recognizable star patterns visible from temperate latitudes. Its proximity to Orion means that when the Hunter is well placed — high in the south on January and February evenings — Lepus is simultaneously well placed, sitting just beneath Orion's feet. Observers who learn Orion first will find Lepus easy to locate by simply looking slightly south of Rigel, Orion's bright foot star. The four stars that form the constellation's quadrilateral — alpha, beta, gamma, and delta Leporis — give it a compact, recognizable shape even in light-polluted suburban skies. M79, described as one of the few globular clusters visible in the Northern Celestial Hemisphere's winter sky, takes on extra significance during this season precisely because most other globular clusters are summer objects crowding toward Sagittarius and Scorpius, which are below the horizon on northern winter nights.
11 Ptolemy's Catalogue and Lepus's Ancient Pedigree
Lepus's credentials as an ancient constellation are impeccable. It appears in the Almagest, the great catalogue compiled by the 2nd-century Alexandrian astronomer Claudius Ptolemy, which listed 48 constellations that formed the foundation of Western astronomical tradition for more than a thousand years. All 48 of Ptolemy's constellations survive into the modern list of 88, and Lepus is among them — meaning this small hare has been a formally recognized feature of the sky for at least nineteen centuries of recorded history. The fact that it carried no specific Greek myth attached to it yet still made Ptolemy's canonical list suggests it was already old and established in the sky-mapping tradition he inherited, possibly going back to Babylonian or earlier sources. Its survival through the medieval Islamic astronomical tradition, which gave its stars the Arabic names still used today, and then into the modern International Astronomical Union's official list, represents an unbroken thread of recognition spanning continents and cultures.