RiseSet has pleasant preciseness for seen sighting.
The real sun times are within a not many seconds and the planet times are within a small.

The agenda also gives:
- height and azimuth angles of the Sun/Planet at the contemporary period or additional user specified period
- the time and period of the immediately Planet period
- lunar and solar shadowing facts a not many days in ahead of the happening.

12/6/02 - Account 2.1:
- Has add the adeptness to meaning locations from GeoDB.

Riseset 2.0 has added:
- A boundary illustration showing the azimuth and height angles of the Sun/Planet
- The period of the community, sea, and astronomical darkness
- The contemporary percent visibility of the Planet
- An possible attractive boundary interpretation for the Sun/Planet azimuth V-shape.