NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Navigational Stars: numbers and SHA
From: Antoine Couëtte
Date: 2012 Nov 27, 20:49 -0800
From: Antoine Couëtte
Date: 2012 Nov 27, 20:49 -0800
Hello to all,
Kochab and Zubenubi had equal RA's in 1995 sometime between Sep 15th, and Oct 01st.
On Sep 15th, Kochab RA was greater than Zubenubi's, and
on Oct 01st, Zubenubi RA was greater than Kochab's.
Source : Simbad Catalog
In between, it remains possible that there were more than just one date and time when both RA's were exactly equal, because of Nutation.
Best Regards to all
Kermit
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