I am at the moon and have taken the picture of whatever it was and now i have to do something with it.but what?

You take the picture, send it back to the Iris chaps, head all the way back to the cloister in which Pey'j is imprisoned, free him, watch the cinematic sequence, head back in the direction of the anti-gravity elevator back up to the transmitter, watch the next cutscene, head back up to the transmitter... and I'll leave it at that. You'll easily work out the rest.