Cloaking and nebulae

[Q]

I don't know if anybody has noticed this before (don't remember to have read it in this forum at least) and for me it was new:
Cloaked ships (maximum cloaking level) in a nebula system can't be detected even with the highest level of tachyon sensors. In an isolated opaque sector storm however you still see the cloaked ships at least if the ship with the sensor is outside the storm.