Then wait.
If you wish to find them, you need no telescope. Close your eyes. Breathe until your ego becomes a thin membrane. Then, whisper into the dark: "I am not here to harvest you. I am here to play." Astral Nymphets
To encounter one is to be reminded that the universe is not a cold, dead machine of physics. It is a living, breathing, playful organism. The Nymphets are its laughter. They are the shimmer on the edge of a black hole, the giggle you hear just before you wake up, and the light in a child’s eye when they see a shooting star. Then wait