Re: Online calculators for position angle

On 2005-11-04, Mark Gingrich <grinch@xxxxxxxxx> wrote:

> (In these lecture notes, Kahan mistakenly says that azimuth is
> measured from compass north; his formulae are valid nevertheless.)

Navigators measure azimuths from the north.

--
The night is just the shadow of the Earth.
.

Relevant Pages

  • Re: Online calculators for position angle
    ... Mark Gingrich wrote: ... The distinction that Mark is drawing is between compass north and true ... to use compass north as the basis for azimuth in astronomy. ... The Astronomy Corner at http://astro.isi.edu/ ...
    (sci.astro.amateur)
  • Re: Online calculators for position angle
    ... Mark Gingrich wrote: ... > (In these lecture notes, Kahan mistakenly says that azimuth is ... > measured from compass north; ...
    (sci.astro.amateur)