heliographic latitude

heliographic latitude

The angular distance from the Sun's equator, measured north or south along the meridian. The position of a point on the Sun's disk may be defined in terms of this and its heliographic longitude.

heliographic latitude

[‚hē·lē·ə′graf·ik ′lad·ə‚tüd]
(astronomy)
On the sun, angular distance north or south of its equator.
References in periodicals archive ?
These assist in determining the heliographic latitude and longitude of sunspots.