Earth’s Shadow Nicks the Moon During This Week’s Partial Lunar Eclipse

Moon
The partial lunar eclipse from October 2023 as seen from Oxfordshire UK. Credit: Mary McIntyre FRAS.

The Moon just brushes the umbral shadow of the Earth during Tuesday night’s partial lunar eclipse.

A shallow partial lunar eclipse is on tap for the night of September 17th/18th. The eclipse is a slight one to be sure, but will be noticeable as the northwestern limb of the Moon just slips past the dark inner umbral shadow of the Earth. The eclipse is just over 8% partial at its maximum, meaning the Full Moon will look a little ‘smushed’ on one side at mid-eclipse.

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