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 Minor is a small constellation in the northern celestial hemisphere. In the second century, it was included as an asterism, or pattern, of two stars in Ptolemy's 48 constellations, and it is cou
Canis Minor, as depicted by Johann Bode in his 1801 work Uranographia
The constellation Canis Minor can be seen alongside Monoceros and the obsolete constellation Atelier Typographique in this 1825 star chart from Urania's Mirror.
The constellation Canis Minor as it can be seen by the naked eye
The constellation Canis Minor showing the IAU boundaries, the constellation stick figure, and labels for its brightest stars. Astrophotograph by Eckhard Slawik, from NOIRLab's 88 Constellations project.