Orion (constellation)
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Orion is a prominent set of stars visible during winter in the northern celestial hemisphere. It is one of the 88 modern constellations; it was among the 48 constellations listed by the 2nd-century AD
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The constellation of Orion, as it can be seen by the naked eye. Lines have been drawn.
Orion as depicted in Urania's Mirror, a set of star chart cards published in London c. 1825
This view brings out many fainter features, such as Barnard's Loop.
Canis Major
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Canis Major is a constellation in the southern celestial hemisphere. In the second century, it was included in Ptolemy's 48 constellations, and is counted among the 88 modern constellations. Its name
Sirius A, the brightest star in the night sky, lies in Canis Major (field of view approximately 10°).
Canis Major and Orion constellations
Canis Major as depicted on the Manuchihr Globe made in Mashhad 1632–33 AD. Adilnor Collection, Sweden.
The stars of Canis Major as they can be seen by the naked eye; lines have been added for clarity.