A shadow of the moons disk causes eclipses. Large areas of dark. The moon is very big. Are they insinuating it was the shadow of the moons disk way off in the distant earth orbital plane ? No way you could see it since it would be in the darkness of space with no sunlight behind it to illuminate. That shadow had to be in the Earths atmosphere. Only way you could see it. Perhaps they are claiming a reflected shadow from a large dark crater on the moon ? Thanks for that link.
Also forgot. It was a new moon on Saturday. No light from the moon at all. Could not have created a shadow on Monday.