COR CAROLI (Alpha Canum Venaticorum). Third magnitude (2.81, nearly second) and easy to find, the star’s importance is consistent with its brightness.
For if they are capable of making greater advancement than I have made, they will much more be able of themselves to discover all that I believe myself to have found; since as I have never examined aught except in order, it is certain that what yet remains to be discovered is in itself more difficult and recondite, than that which I have already been enabled to find, and the gratification would be much less in learning it from me than in discovering it for themselves.