Okay, it is not much, I admit. There was a larger group that we followed a while, just off Filtvet Fyr. We saw them several times, up to 3-4 individuals simultaneously. But we only managed to capture one on video, and it barely breaks the surface for a second.
Filtvet FyrLatitude: 59° 34.258 N
Longitude: 10° 37.079 E
Click chart to view larger scope, or here for an even larger scope in a separate window.