1. A method for representing a heart of a subject by magnetic resonance (MR), using an MR system, comprising the steps of: acquiring at least one MR overview image of a heart in an image plane having a predetermined position relative to the MR system; visually displaying the acquired MR overview image; allowing interaction of the displayed MR overview image for establishing a plurality of marking points in the displayed MR overview image; automatically electronically calculating further image planes for representing the heart using the established marking points; and acquiring further MR images respectively in the calculated image planes.