A partial lunar eclipse took place on Saturday, February 21, 1970. It was the first of two partial lunar eclipses in 1970, the other being on August 17 of the same year. A tiny bite out of the Moon may have been visible at maximum, though just 5% of the Moon was shadowed in a partial eclipse which lasted for 52 minutes and 42 seconds. A shading across the moon from the Earth's penumbral shadow should have been visible at maximum eclipse.
Occurring only 2.4 days after apogee (Apogee on Wednesday, February 18, 1970), the Moon's apparent diameter was 6% smaller than average. The Moon was only 404,163 km (251,135 mi) from the Earth's center.[1]
Visibility
It was completely visible over eastern Asia, Australia, Pacific, Americas, western Europe, seen rising over northwestern Pacific Ocean and setting over the north Atlantic Ocean.
The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the Earth's shadow will in nearly the same location relative to the background stars.
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[2] This lunar eclipse is related to two total solar eclipses of Solar Saros 120.
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