Talk:Alpha Ophiuchi
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Why was it renamed?
[edit]I came here searching Rasalhague, I don't think 'Alpha Ophiuchi' is exactly going to take off amongst the common people. Is there an amazingly important reason it was renamed? Or will continuing to use it's original name still be fine? --121.210.33.50 (talk) 03:37, 24 December 2019 (UTC)
- The IAU regards 'Alpha Ophiuci' as a catalog designation rather than a name, though Bayer designations have been around so long people have tended to think of them as names. It was known as Rasalhague well before Bayer created his catalog, the IAU just formalised that. Alpha Ophiuchi is more commonly used, especially by astronomers both amateur and professional (hence the article title) and thus book and science writers. Possibly because it's more informative than the name - the designation tells you it's the brightest star in Ophiuchus. As with all catalog designations and approved names, the IAU has no objection to either. Cuddlyopedia (talk) 15:07, 24 December 2019 (UTC)