Earth's Umbra and Penumbra Diagram for Partial Lunar Eclipse of June 4, 2012.
This diagram shows the expected path of the moon through the Earth's shadow on June 4, 2012.
Partial Lunar Eclipse Photography
An example of how the partial eclipse of the Moon on June 4, 2012 may appear to the naked eye or through binoculars at maximum eclipse. The authors snapped this shot near Boston during the eclipse of August 28, 2007, using a 3-inch refractor and a digital SLR camera.
Partial Lunar Eclipse Overexposed
A shot of the August 28, 2007 lunar eclipse, but this time the authors deliberately overexposed the Moon’s sunlit part to reveal the reddish color of the Earth’s dark shadow, or umbra.