Solar eclipse of September 1, 1951 explained

An annular solar eclipse occurred at the Moon's descending node of orbit on Saturday, September 1, 1951,[1] with a magnitude of 0.9747. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. An annular solar eclipse occurs when the Moon's apparent diameter is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an annulus (ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. Occurring 5.4 days after apogee (on August 27, 1951, at 3:50 UTC), the Moon's apparent diameter was smaller.[2]

Annularity was visible from Tennessee, North Carolina, and Virginia in the United States, Spanish Sahara (today's West Sahara), French West Africa (the parts now belonging to Mauritania, Mali, Burkina Faso and Ivory Coast), British Gold Coast (today's Ghana), southern tip of French Equatorial Africa (the part now belonging to R. Congo), Belgian Congo (today's DR Congo), Northern Rhodesia (today's Zambia), Portuguese Mozambique (today's Mozambique), Nyasaland (today's Malawi), and French Madagascar (today's Madagascar). A partial eclipse was visible for parts of eastern North America, the Caribbean, northern South America, Europe, and Africa.

Eclipse details

Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse.[3]

September 1, 1951 Solar Eclipse Times! Event! Time (UTC)
First Penumbral External Contact1951 September 01 at 09:54:58.5 UTC
First Umbral External Contact1951 September 01 at 10:57:51.5 UTC
First Central Line1951 September 01 at 10:59:13.3 UTC
First Umbral Internal Contact1951 September 01 at 11:00:35.1 UTC
Greatest Duration1951 September 01 at 11:26:30.5 UTC
First Penumbral Internal Contact1951 September 01 at 12:04:50.8 UTC
Equatorial Conjunction1951 September 01 at 12:42:32.1 UTC
Ecliptic Conjunction1951 September 01 at 12:50:04.3 UTC
Greatest Eclipse1951 September 01 at 12:51:51.1 UTC
Last Penumbral Internal Contact1951 September 01 at 13:39:05.6 UTC
Last Umbral Internal Contact1951 September 01 at 14:43:15.0 UTC
Last Central Line1951 September 01 at 14:44:34.0 UTC
Last Umbral External Contact1951 September 01 at 14:45:53.0 UTC
Last Penumbral External Contact1951 September 01 at 15:48:41.5 UTC
September 1, 1951 Solar Eclipse Parameters! Parameter! Value
Eclipse Magnitude0.97473
Eclipse Obscuration0.95011
Gamma0.15570
Sun Right Ascension10h39m41.0s
Sun Declination+08°28'11.5"
Sun Semi-Diameter15'50.9"
Sun Equatorial Horizontal Parallax08.7"
Moon Right Ascension10h39m57.2s
Moon Declination+08°35'52.2"
Moon Semi-Diameter15'12.7"
Moon Equatorial Horizontal Parallax0°55'49.8"
ΔT29.8 s

Eclipse season

See also: Eclipse cycle. 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. The first and last eclipse in this sequence is separated by one synodic month.

Related eclipses

Eclipses in 1951

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 134

Inex

Triad

Inex series

Notes and References

  1. Web site: September 1, 1951 Annular Solar Eclipse. timeanddate. 5 August 2024.
  2. Web site: Moon Distances for London, United Kingdom, England. timeanddate. 5 August 2024.
  3. Web site: Annular Solar Eclipse of 1951 Sep 01. EclipseWise.com. 5 August 2024.