Planetary Programs and Tables -4000 to +2800 Planispheres There are several programs

There are several programs

this map contains four quadrants

and John Herschel

These coordinates refer to the mean equinox and ecliptic of date

Observers seeking new challenges

Planetary Programs and Tables -4000 to +2800 Planispheres There are several programsBy Bretagnon and Simon with Foreword by Meeus. Product Information: 8. 50" by 11. 00", 165 pages, softbound, (see below for magnetic versions). The tables and computer programs detailed in Planetary Programs and Tables From 4000 to +2800 allow the computation of the positions of the Sun, and 7 planets with a precision better than 0. 01 degree over the period 4000, +2000 for Mercury, Venus, Mars, Jupiter and Saturn and +1600 to +2800 for Uranus and