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Procyon
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==Observation== [[File:Hubble_heic0206j.jpg|left|thumb|Procyon (''top left''), [[Betelgeuse]] (''top right'') and [[Sirius]] (''bottom'') form the [[Winter Triangle]]. [[Orion (constellation)|Orion]] is to the right. Viewed from Northern Hemisphere]] Procyon is usually the eighth-brightest star<!-- Procyon can be surpassed in brightness by Betelgeuse --> in the night sky, [[Culmination|culminating]] at midnight on 14 January.{{sfn|Schaaf|2008|p=257}} It forms one of the three [[Vertex (geometry)|vertices]] of the [[Winter Triangle]] [[Asterism (astronomy)|asterism]], in combination with [[Sirius]] and [[Betelgeuse]].{{sfn|Schaaf|2008|p=166}} The prime period for evening viewing of Procyon is in late winter in the [[Northern Hemisphere]].{{sfn|Schaaf|2008|p=257}} It has a [[color index]] of 0.42, and its hue has been described as having a faint yellow tinge to it.{{sfn|Schaaf|2008|p=166}}
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