[LEAPSECS] Mean ... Orbits

[Tony Finch]

On Fri, 4 Feb 2011, Mark Calabretta wrote:

> On Thu 2011/02/03 11:05:01 -0000, Tony Finch wrote

> in a message to: Leap Second Discussion List <leapsecs at leapsecond.com>

>

> >In order to see the analemma you need to know the equation of time.

>

> You only need a clock and knowledge of the length of a mean solar

> day.  The analemma itself shows you the equation of time (and the

> obliquity of the ecliptic).


If you have a good clock you can work out the equation of time. If your
reference is a sundial you can set a bad clock to mean solar time using
the equation of time.

Tony.
-- 
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