The Moon passes 0.3° south of Antares in the constellation Scorpius at 1 A.M. EDT. The pair is high in the southern sky at this time, particularly for observers in the eastern half of the U.S ...

It's all a matter of perspective. The moon will slide in front of the red supergiant star Antares on May 13, briefly blocking its light just a day after reaching its full "Flower Moon" phase.