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Proper NameNone
Bayer DesignationNone
Flamsteed Number45 Orionis
HR (BSC)1901
Right Ascension5h 35m 39s
Declination-4° 51' 22"
Distance372 light years
114 parsecs
MagnitudeApparent: +5.23
Absolute: -0.06
Spectral ClassF0III bright yellow giant
Optimum VisibilityDecember / January

45 Orionis shines against the backdrop of the Running Man Nebula, part of a complex of clusters and nebulae within the Sword of Orion. It forms an optical double with c Orionis, which can be seen to its immediate west (right) here. This image shows 45 Orionis and its surroundings in infrared light, so that the star stands out more clearly against the background nebulosity in this region. Imagery provided by Aladin sky atlas


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