That's correct. The "shape of space" can act as a lens for light. Even in static situations this can be quite interesting: https://en.wikipedia.org/wiki/Einste

That's correct. The "shape of space" can act as a lens for light. Even in static situations this can be quite interesting: https://en.wikipedia.org/wiki/Einstein_ring#:~:text=An%20Einstein%20ring%2C%20also%20known,to%20come%20from%20different%20places https://en.wikipedia.org/wiki/Einstein_ring#:~:text=An%20Ein.... It's possible that you could observe a kind of "shimmer" in the position of background stars as a gravitational wave passes between you and them. In fact there is an attempt to detect gravitational waves this way through pulsar timing: https://en.wikipedia.org/wiki/Pulsar_timing_array https://en.wikipedia.org/wiki/Pulsar_timing_array