December 1991 lunar eclipse explained

A partial lunar eclipse took place on Saturday, December 21, 1991, the last of four lunar eclipses in 1991. The moon grazed the northern edge of the umbral shadow. It occurred near perigee, and as described, such event was known as a supermoon.

Visibility

This small partial eclipse was visible from North America, eastern Asia, Australia, and western South America.

Related eclipses

Eclipses of 1991

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[1] This lunar eclipse is related to two partial solar eclipses of Solar Saros 122.

See also

External links

Notes and References

  1. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros