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January 1934 lunar eclipse
Partial eclipse
	The Moon's hourly motion shown right to left
Date	January 30, 1934
Gamma	0.9258
Magnitude	0.1120
Saros cycle	113 (59 of 71)
Partiality	80 minutes, 55 seconds
Penumbral	304 minutes, 16 seconds
P1
Contacts (UTC)
P1	14:10:10
U1	16:01:54
Greatest	16:42:18
U4	17:22:49
P4	19:14:26
	← September 1933 July 1934 →

A partial lunar eclipse occurred at the Moon’s descending node of orbit on Tuesday, January 30, 1934,^[1] with an umbral magnitude of 0.1120. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring about 2.9 days after apogee (on January 27, 1934, at 18:55 UTC), the Moon's apparent diameter was smaller.^[2]

Visibility

The eclipse was completely visible over Asia and Australia, seen rising over Africa and Europe and setting over western North America and the central Pacific Ocean.^[3]

Eclipse details

Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.^[4]

January 30, 1934 Lunar Eclipse Parameters
Parameter	Value
Penumbral Magnitude	1.20734
Umbral Magnitude	0.11204
Gamma	0.92581
Sun Right Ascension	20h50m17.7s
Sun Declination	-17°42'54.6"
Sun Semi-Diameter	16'14.0"
Sun Equatorial Horizontal Parallax	08.9"
Moon Right Ascension	08h51m34.9s
Moon Declination	+18°29'48.4"
Moon Semi-Diameter	14'49.3"
Moon Equatorial Horizontal Parallax	0°54'23.7"
ΔT	23.8 s

Eclipse season

This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight.

Eclipse season of January–February 1934
January 30 Descending node (full moon)	February 14 Ascending node (new moon)

Partial lunar eclipse Lunar Saros 113	Total solar eclipse Solar Saros 139

Related eclipses

Lunar eclipses of 1933–1936

Lunar eclipse series sets from 1933–1936
Descending node			Ascending node
Saros	Date Viewing	Type Chart	Saros	Date Viewing	Type Chart
103	1933 Feb 10	Penumbral	108	1933 Aug 05	Penumbral
113	1934 Jan 30	Partial	118	1934 Jul 26	Partial
123	1935 Jan 19	Total	128	1935 Jul 16	Total
133	1936 Jan 08	Total	138	1936 Jul 04	Partial
143	1936 Dec 28	Penumbral

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).^[5] This lunar eclipse is related to two total solar eclipses of Solar Saros 120.