The meteor season is underway, with the Eta Aquarids entering the scene. This shower lasts through May but peaks on the night of May 4, with the best viewing the following morning of May 5. Fog permitting, early risers that Monday may see 10 to 20 shooting stars an hour. The full moon rises the following Monday, May 12, with very low early-morning tides. In the Celtic tradition, this moon marks Beltane and the beginning…