February 1951 lunar eclipse

File:Lunar eclipse chart close-1951Feb21.png

The moon passed west to east (right to left) through the northern edge of the earth's penumbral shadow. It was too small to be visually perceptible.

A penumbral lunar eclipse took place on February 21, 1951.^[1]

Grazing penumbral eclipse

The magnitude of the eclipse was 0.007 or a miss depending on definitions of the penumbral shadow is defined. Bao-Lin Lui's Canon of lunar eclipses list it as the last eclipse of a saros cycle, with magnitude 0.007, while NASA lists February 10, 1933, as the final series event, with this one missing the shadow.^[2]

As seen from the lunar south pole the sun missing the sphere of the earth, excluding the atmosphere.

320px

Related lunar eclipses

Lunar year series

Lunar eclipse series sets from 1951–1955
Descending node			Ascending node
Saros	Date Viewing	Type Chart	Saros	Date Viewing	Type Chart
103	1951 Feb 21 80px	Penumbral 80px	108	1951 Aug 17 80px	Penumbral 80px
113	1952 Feb 11 80px	Partial 80px	118	1952 Aug 5 80px	Partial 80px
123	1953 Jan 29	Total	128	1953 Jul 26	Total
133	1954 Jan 19 80px	Total 80px	138	1954 Jul 16 80px	Partial 80px
143	1955 Jan 8 80px	Penumbral 80px

Last set	1951 Mar 23		Last set	1951 Sep 15

Next set	1955 Nov 29		Next set	1955 Jun 5

Metonic cycle (19 years)

This is the third of five Metonic lunar eclipses.

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.

Metonic lunar eclipse sets 1951–2027
Descending node			Ascending node
Saros	Date	Type	Saros	Date	Type
103	1951 Feb 21	Penumbral	108	1951 Aug 17	Penumbral
240px			240px
113	1970 Feb 21	Partial	118	1970 Aug 17	Partial
240px			240px
123	1989 Feb 20	Total	128	1989 Aug 17	Total
240px			240px
133	2008 Feb 21	Total	138	2008 Aug 16	Partial
240px			240px
143	2027 Feb 20	Penumbral	148	2027 Aug 17	Penumbral
240px			240px