A lunar eclipse occurs when the Earth lines up between the moon and the sun. The sun's light is blocked casting a shadow on to the moon. But in some eclipses sunlight does reach the moon indirectly, daubing the moon in a sunset palette. Any light that does pass shines through our atmosphere and transforms the lunar surface into a deep, coppery red.
A black moon occurs when there is a second new moon in a calendar month, or when there is a third new moon in a season of four new moons.