A group appearing in a green box indicates that the active region had at least one visible sunspot as it rotated onto the west limb.

A group appearing in a grey box indicates that the active region was spotless (plage) before rotating onto the west limb.

Based on the Carrington Rotation, the number appearing in the red box is the estimated amount of days before the active region returns into view off the east limb.

Regions appearing in a purple box indicate the presence of a potentially new sunspot.

CH = Coronal Hole