He`li*o*graph"ic, a. (Astron.) Of or pertaining to a description of the sun.

&fist; Heliographic longitudes and latitudes of spots on the sun's surface are analogous to geographic longitudes and latitudes of places on the earth.

He`li*o*graph"ic (?), a. Of or pertaining to heliography or a heliograph; made by heliography.

Heliographic chart. See under Chart.

He`li*o*graph"ic, a. (Astron.) Of or pertaining to a description of the sun.

&fist; Heliographic longitudes and latitudes of spots on the sun's surface are analogous to geographic longitudes and latitudes of places on the earth.