The three charts show the duration in minutes of the civil, nautical and astronomic twilights. In green to the left the latitude of the observer, in yellow on the top the declination of the Sun.
Civil twilightNautical twilight
Astronomical twilight
DURATION OF THE TWILIGHTS
The three charts show the duration in minutes of the civil, nautical and astronomic twilights.
In green to the left the latitude of the observer, in yellow on the top the declination of the Sun.
Civil twilight
Nautical twilight
Astronomical twilight